From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 17841 invoked from network); 20 Jan 2004 01:42:43 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 20 Jan 2004 01:42:43 -0000 Received: (qmail 55229 invoked from network); 20 Jan 2004 01:42:42 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 20 Jan 2004 01:42:41 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Aikuf-000EG4-Kn for dave@picks.force9.co.uk; Tue, 20 Jan 2004 01:42:41 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Aiku3-0008SO-Nn for rs_out@blacksheep.org; Tue, 20 Jan 2004 01:42:03 +0000 X-No-DNS-For: 212.1.130.142 Received: from [212.1.130.142] (helo=smtp-1.visp.telinco.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Aiku3-0008SF-7z for rsgb_lf_group@blacksheep.org; Tue, 20 Jan 2004 01:42:03 +0000 Received: from [80.225.204.18] (helo=RSGB613192) by smtp-1.visp.telinco.net with smtp (Exim 3.36 #1) id 1Aiku1-0006Gh-00 for rsgb_lf_group@blacksheep.org; Tue, 20 Jan 2004 01:42:02 +0000 X-Bad-Message-ID: no DNS (RSGB613192) Message-ID: <004301c3def6$a1bdd6c0$045bfea9@RSGB613192> From: "Andy talbot" To: rsgb_lf_group@blacksheep.org References: <1074543877.400c3d051a334@webmail2.kuleuven.be> <00a901c3ded7$9c359cc0$2102000a@ibm> Date: Tue, 20 Jan 2004 01:42:13 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Where to get TC44... and MUR1660?? Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.1 required=5.0 tests=MAILTO_TO_SPAM_ADDR autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Farnell will have them. www.farnellinone.co.uk Andy G4JNT ----- Original Message ----- From: Dick To: Sent: Monday, January 19, 2004 9:59 PM Subject: LF: Where to get TC44... and MUR1660?? > Hello all, > > I am wondering where I can get (one of) the following components: > > TC4421 > TC4422 > TC4426 > MUR1660CT > > A google search didn't deliver a resonable result. > I am looking for a store/firm in Holland or Germany, as this is > the easiest way in case of ordering/paying. > > Any suggestions?? > > Meanwhile I started to build the first part for my 136kHz station: > the 1370kHz VFO.......... > The rest will be a lot of bits and pieces from various designs, likely > resulting in a QRPP transmitter capable of producing 100Watt or so. > > 73 > > Dick, PA4VHF (JO32eh) > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 88150 invoked from network); 12 Jan 2004 16:37:24 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 12 Jan 2004 16:37:24 -0000 Received: (qmail 95780 invoked from network); 12 Jan 2004 16:37:24 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-MSMail-Priority: High X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 12 Jan 2004 16:37:22 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Ag546-000Of0-5Q for dave@picks.force9.co.uk; Mon, 12 Jan 2004 16:37:22 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ag53T-0003Pw-Ac for rs_out@blacksheep.org; Mon, 12 Jan 2004 16:36:43 +0000 X-No-DNS-For: 212.1.130.142 Received: from [212.1.130.142] (helo=smtp-1.visp.telinco.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Ag53S-0003Pn-DW for rsgb_lf_group@blacksheep.org; Mon, 12 Jan 2004 16:36:42 +0000 Received: from [80.40.54.89] (helo=standalone) by smtp-1.visp.telinco.net with smtp (Exim 3.36 #1) id 1Ag53Q-0005d0-00 for rsgb_lf_group@blacksheep.org; Mon, 12 Jan 2004 16:36:41 +0000 Received: by localhost with Microsoft MAPI; Mon, 12 Jan 2004 16:35:53 -0000 Message-ID: <01C3D92A.2561B500.g4jnt@thersgb.net> From: "Andy talbot" To: rsgb_lf_group@blacksheep.org Date: Mon, 12 Jan 2004 16:35:51 -0000 Importance: high X-Priority: 1 X-Mailer: Microsoft Internet E-mail/MAPI - 8.0.0.4211 MIME-Version: 1.0 Subject: LF: RE: Re: Re: First WOLF QSO! Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.5 required=5.0 tests=X_PRIORITY_HIGH autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Basically, correct - if you transmit 10B/s PSK on 137kHz without any bandwidth filtering people get a bit upset. We did look at turning it into some phase continuous mode - CPM - but there seemed to be little interest in advancing the technology. Likewise GPS locked BPSK - straightforward, very robust and bound to give vastly superior weak signal performance, but more than the average plug-and-play mode. I've been doing a lot with GPS recently (for professional purposes, not for play) and currently have access to five different types of GPS module - all low the cost ones. They're getting very, very small now - some are postage stamp sized. In terms of ease of use though, as far as amateurs are concerned, I'd go with the older Garmin GPS25 module any day! All the other ones have to, at least initially, be programmed in complex binary mode before the simple data output format of NMEA can be enabled. FUrthermore, the later modules operate LESS well with poor signals and partially obstructed view of the sky than the latest 12 satellite simultaneous view machines do. Just a quick observation and will bear further experimentation, if possible to do so. Andy G4JNT -----Original Message----- From: Alan Melia [SMTP:Alan.Melia@btinternet.com] Sent: 2004/01/12 14:11 To: rsgb_lf_group@blacksheep.org Subject: LF: Re: Re: First WOLF QSO! Hi Ed, as John says, I do not recall any two-way WOLF qsos. I think only Jim M0BMU, Andy G4JNT have transmit it, that I can remember. It is basically an "off-line" decoding system, where with weak signals one may have to process the recorded file several times. I think a lot of us were waiting and maybe hoping for a "instant", real-time version. Then Alberto came along with Jason as a keyboard decoded mode, and WOLF did not seem to progress. (Stewart provided some adaptive code to improve the decoder in Alberto's system) I also believe that WOLF is transmit as BPSK which generally requires a linear PA. (Jason is an FSK mode so can use non-linear PAs) Generally for high power station one requires a DDS exciter with a non linear PA, to prouce "soft" phase transitions. It is possible with some hardware that Jim developed to produce soft phase changes which would be required on a high power station to control bandwidth. I dont think the bandwidth is such an issue with FCC Part 15, 1 watt output, stations. Details from memory (liable to suffer dropped bits these days ...:-)) Look at http://www.scgroup.com/ham/wolf.html for the full story. Well done on repairing the aerial at Machta and we look forward to hearing your signals again. Cheers de Alan G3NYK alan.melia@btinternet.com ----- Original Message ----- From: "Ed Lesnichy" To: Sent: 12 January 2004 11:17 Subject: LF: Re: First WOLF QSO! > John, Dex and LF-enthusiasts! > > My congratulations to John W1TAG and Dex W4DEX! > It is remarkable result at such very small ERP! > I believe what to RX a very weak signal at 1w DC input max (not 1w > ERP!!), and antenna less than 15m on distance abt 1080km it is very > difficult in any modes...probably in WOLF is especial...and at the daytime... > > On what greatest distance it was possible to RX in long QRSS such small > ERP at night? > > US's Lowfers have saved wide experience in reception of very weak > signals on LF - when already they will appear on 136 or 160-190kHz for > longway 2-way QSO with high-grade ERP? > > The first(?) reception of Europe signal in North America on WOLF: > John W1TAG RX Jim M0BMU at March 9, 2001 at QRB abt 5307km > > Whether who has made 2-way QSO on WOLF in Europe? > > When (date) Stewart KK7KA has made WOLF mode? > > 73! Ed RU6LA ed@dx.ru http://136.73.ru > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 21983 invoked from network); 11 Jan 2004 12:09:46 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 11 Jan 2004 12:09:46 -0000 Received: (qmail 91460 invoked from network); 11 Jan 2004 12:09:46 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 11 Jan 2004 12:09:45 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AfePZ-000NgN-DS for dave@picks.force9.co.uk; Sun, 11 Jan 2004 12:09:45 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AfePL-0004gT-G4 for rs_out@blacksheep.org; Sun, 11 Jan 2004 12:09:31 +0000 X-No-DNS-For: 212.1.130.141 Received: from [212.1.130.141] (helo=smtp-1.visp.telinco.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AfePK-0004gJ-Q3 for rsgb_lf_group@blacksheep.org; Sun, 11 Jan 2004 12:09:30 +0000 Received: from [80.40.55.64] (helo=RSGB613192) by smtp-1.visp.telinco.net with smtp (Exim 3.36 #1) id 1AfePJ-00007f-00 for rsgb_lf_group@blacksheep.org; Sun, 11 Jan 2004 12:09:29 +0000 X-Bad-Message-ID: no DNS (RSGB613192) Message-ID: <000b01c3d83b$c8bff800$045bfea9@RSGB613192> From: "Andy talbot" To: rsgb_lf_group@blacksheep.org References: <1d7.17e682e8.2d326c53@aol.com> Date: Sun, 11 Jan 2004 12:09:35 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: 3C90 Al value? Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.8 required=5.0 tests=HTML_30_40,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
I thought Al values was a meaningless term for pure ferrite materials and is only published as a guideline as it changes dramatically with temperature and B - for a true/ideal transformer it would ideally be infinite.   Things like bulk resistivity and the area inside the hysteresis curve are more significant as they decide the frequency and power handling of any material.
 
 
Andy  G4JNT
 
----- Original Message -----
Sent: Sunday, January 11, 2004 9:07 AM
Subject: LF: 3C90 Al value?

Hello Group.

After a 4 month wait I've received a batch of 58mm cores claiming to be 3C90, but according to the catalogue they have the wrong colour code. These are white (pos 3C11) not blue/white for 3C90.

The way to confirm is to calculate the Al value and compare to the data on 3C90 3C85 3C11 etc materials. Unfortunately 3C90 is not listed in my old data book.

I've measured the inductance of a 21 turn winding at 1.43mH.
Using  L = Al x N squared, this suggests an Al value of 3249.

Is this a good figure for 3C90?  It does seem far too low for 3C11 (5000+)
Perhaps they've changed the colour code again?

73

David    G0MRF
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 47017 invoked from network); 14 Jan 2004 20:03:53 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 14 Jan 2004 20:03:53 -0000 Received: (qmail 60127 invoked from network); 14 Jan 2004 20:03:53 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 14 Jan 2004 20:03:50 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AgrF0-000FPq-La for dave@picks.force9.co.uk; Wed, 14 Jan 2004 20:03:50 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AgrEf-0002pa-7k for rs_out@blacksheep.org; Wed, 14 Jan 2004 20:03:29 +0000 Received: from [212.70.194.250] (helo=ns1.tee.gr) by post.thorcom.com with esmtp (Exim 4.14) id 1AgrEe-0002pR-7e for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 20:03:28 +0000 X-Fake-Domain: q2x6f5.eexi.gr Received: from q2x6f5.eexi.gr (ath-1-18.dialup.tee.gr [212.70.200.18]) by ns1.tee.gr (8.13.0.PreAlpha4/8.13.0.PreAlpha4) with ESMTP id i0EK3OtS003906 for ; Wed, 14 Jan 2004 22:03:25 +0200 Message-ID: <5.0.2.1.0.20040114215445.032d8ec0@aurora.eexi.gr> X-Sender: sv1xv@aurora.eexi.gr X-Mailer: QUALCOMM Windows Eudora Version 5.0.2 Date: Wed, 14 Jan 2004 22:03:07 +0200 To: rsgb_lf_group@blacksheep.org From: "Costas Krallis SV1XV" In-reply-to: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.38 Subject: Re: LF: 3C90 cores (final mail honest) Content-Type: text/plain; charset=us-ascii; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 At 11:52 14/1/2004 -0500, you wrote: >As from Jan 2004 Ferroxcube are no longer colour coding their toroid products. Apparently the use of ISO9000 type procedures in keeping track of quality / sources and storage make the colour codes unnecessary. What a foolish decision. ISO 9001 requires some form of marking and tracking of product, not procedures to avoid it. OK, the consultant who implemented the system is a lunatic, but the Lloyds/BVQI/TUV/whatever auditors should not have accepted it. I hope some day the Phillips/Feroxcube idiots make the crucial mishandling error and supply a defence industry with a large shipment of the wrong product... 73 Costas SV1XV From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 86798 invoked from network); 11 Jan 2004 19:42:39 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 11 Jan 2004 19:42:39 -0000 Received: (qmail 22250 invoked from network); 11 Jan 2004 19:42:38 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 11 Jan 2004 19:42:36 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AflTo-0005ff-An for dave@picks.force9.co.uk; Sun, 11 Jan 2004 19:42:36 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AflTR-0004BV-QY for rs_out@blacksheep.org; Sun, 11 Jan 2004 19:42:13 +0000 Received: from [212.70.194.250] (helo=ns1.tee.gr) by post.thorcom.com with esmtp (Exim 4.14) id 1AflTQ-0004BM-Vj for rsgb_lf_group@blacksheep.org; Sun, 11 Jan 2004 19:42:13 +0000 X-Fake-Domain: q2x6f5.eexi.gr Received: from q2x6f5.eexi.gr (ath-2-150.dialup.tee.gr [212.70.200.150]) by ns1.tee.gr (8.13.0.PreAlpha4/8.13.0.PreAlpha4) with ESMTP id i0BJg7EK001030 for ; Sun, 11 Jan 2004 21:42:10 +0200 Message-ID: <5.0.2.1.0.20040111213759.02e0c7f0@aurora.eexi.gr> X-Sender: sv1xv@aurora.eexi.gr (Unverified) X-Mailer: QUALCOMM Windows Eudora Version 5.0.2 Date: Sun, 11 Jan 2004 21:41:01 +0200 To: rsgb_lf_group@blacksheep.org From: "Costas Krallis SV1XV" In-reply-to: <200401111207.i0BC7KQ16752@mailgate5.cinetic.de> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.38 Subject: LF: Re: 3C90 Al value? Content-Type: text/plain; charset=us-ascii; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Dear Dave I have a few unused 3C11 (white) cores. Dimensions are: Dout = 36 mm Din = 22 mm H = 15 mm I wound 18 turns and measured an inductance of 1.94 mH. 73 Costas SV1XV From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 96567 invoked from network); 20 Jan 2004 23:31:39 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 20 Jan 2004 23:31:39 -0000 Received: (qmail 69405 invoked from network); 20 Jan 2004 23:31:39 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 20 Jan 2004 23:31:37 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Aj5LN-000HwI-Lb for dave@picks.force9.co.uk; Tue, 20 Jan 2004 23:31:37 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Aj5Kr-00089v-34 for rs_out@blacksheep.org; Tue, 20 Jan 2004 23:31:05 +0000 X-No-DNS-For: 166.82.181.250 Received: from [166.82.181.250] (helo=dustmac.dustinmcintyre.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Aj5Kq-00089m-0V for rsgb_lf_group@blacksheep.org; Tue, 20 Jan 2004 23:31:04 +0000 X-Fake-Domain: att.net Received: from att.net (main.dustinmcintyre.com [10.0.252.101]) by dustmac.dustinmcintyre.com (8.11.6/8.11.6) with ESMTP id i0KNV2522846 for ; Tue, 20 Jan 2004 18:31:02 -0500 Message-ID: <400DBA34.BAECA283@att.net> Date: Tue, 20 Jan 2004 23:31:00 +0000 From: "Dexter McIntyre W4DEX" X-Mailer: Mozilla 4.8 [en] (Windows NT 5.0; U) X-Accept-Language: en MIME-Version: 1.0 To: "RSGB LF" Subject: LF: Good LF condx? Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 DCF39 is looking good on the W3EEE plot. Noise is low in NA. Live Argo watching 135920.5 to 135923.5 kHz available at: http://www.w4dex.com/argo/135khz.htm Dex From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 91590 invoked from network); 12 Jan 2004 16:38:38 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 12 Jan 2004 16:38:38 -0000 Received: (qmail 99935 invoked from network); 12 Jan 2004 16:38:38 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 12 Jan 2004 16:38:36 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Ag55I-000Psk-Qb for dave@picks.force9.co.uk; Mon, 12 Jan 2004 16:38:36 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ag559-0003Uk-UN for rs_out@blacksheep.org; Mon, 12 Jan 2004 16:38:27 +0000 X-No-DNS-For: 166.82.181.250 Received: from [166.82.181.250] (helo=dustmac.dustinmcintyre.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Ag558-0003Ub-FG for rsgb_lf_group@blacksheep.org; Mon, 12 Jan 2004 16:38:26 +0000 X-Fake-Domain: att.net Received: from att.net (main.dustinmcintyre.com [10.0.252.101]) by dustmac.dustinmcintyre.com (8.11.6/8.11.6) with ESMTP id i0CGcM527311 for ; Mon, 12 Jan 2004 11:38:22 -0500 Message-ID: <4002CD7C.76445428@att.net> Date: Mon, 12 Jan 2004 16:38:20 +0000 From: "Dexter McIntyre W4DEX" X-Mailer: Mozilla 4.8 [en] (Windows NT 5.0; U) X-Accept-Language: en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <007a01c3d870$20dd0bc0$0500a8c0@charter.net> <304614133.20040112111754@dx.ru> <002801c3d90b$b41134c0$0500a8c0@charter.net> <004401c3d914$cdb10690$1f00a8c0@dellboy> <5.1.0.14.0.20040112162906.037a6718@u0019445.kuleuven.be> Subject: Re: LF: Re: Re: Re: Re: First WOLF QSO! Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 I'll place my bets on WOLF getting through QRN when QRSS60 or even a dead carrier can't be seen. Not long after Stewart introduced us to WOLF, Lowfer station TEXAS was beaconing with this mode. I received good copy 5 nights in a row when the QRN was very bad. I looked back at my sent mail and found one message dated 21 March 2001. Here is a sample of what I copied every night over this approximate 1600 KM path: t: 960 f: 0.000 pm: 496 jm:173 TEXAS AGGIE 79 - t:1056 f: 0.000 pm: 496 jm:173 TEXAS AGGIE 79 - t:1152 f: 0.000 pm: 496 jm:173 TEXAS AGGIE 79 - t:1248 f: 0.000 pm: 505 jm:173 TEXAS AGGIE 79 - t:1344 f: 0.000 pm: 508 jm:173 TEXAS AGGIE 79 - Dex Rik Strobbe wrote: > Hello John, Dave, > > I believe that it might be difficult to compare QRSS and WOLF as their > effectivity also depends on propagation conditions. > > As WOLF is repeating the message over and over at a rather high speed it > can take advantage of short propagation peaks, this is not the case with > QRSS where the message is sent a single time at a very slow speed. > At the other hand QRSS might be better when propagation is rather stable > but very weak (or for surface wave propagation). > > 73, Rik ON7YD > > At 09:57 12/01/2004 -0500, you wrote: > >Dave, > > > >We did some tests a couple of years ago involving two similar stations near > >each other that were about 1800 km from me. One ran QRSS60, the other WOLF. > >I think we did the tests for about a week, and found similar results. > >Neither had a clear advantage over that period. The conclusion was that the > >effectiveness of WOLF was about the same as QRSS60. > > > >While our QSO of yesterday did not fully exercise WOLF's capability, do > >realize that we were receiving 15 characters in a 20 minute period. QRSS60 > >can't do that! > > > >As originally conceived by Stewart Nelson, the "reference channel" could be > >used to exchange signal report information. Neither that nor real-time > >decoding has been realized, however. It does remain an interesting mode, > >with a number of limitations as listed in Alan Melia's message of this > >morning. For U.S. Lowfers, bandwidth is not an issue, and the potential for > >anything but very local interference is limited. > > > >I do believe that gps-locked slower BPSK has more potential at LF, and am > >slowly working on getting set up for that. Underline the word "slowly," > >though! > > > >John Andrews, W1TAG From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 67914 invoked from network); 9 Jan 2004 15:38:08 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 9 Jan 2004 15:38:08 -0000 Received: (qmail 57307 invoked from network); 9 Jan 2004 15:38:08 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 9 Jan 2004 15:38:06 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Aeyi5-000El9-Me for dave@picks.force9.co.uk; Fri, 09 Jan 2004 15:38:06 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Aeygn-0001Mi-Cy for rs_out@blacksheep.org; Fri, 09 Jan 2004 15:36:45 +0000 X-No-DNS-For: 166.82.181.250 Received: from [166.82.181.250] (helo=dustmac.dustinmcintyre.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Aeygk-0001MZ-VD for rsgb_lf_group@blacksheep.org; Fri, 09 Jan 2004 15:36:43 +0000 X-Fake-Domain: att.net Received: from att.net (main.dustinmcintyre.com [10.0.252.101]) by dustmac.dustinmcintyre.com (8.11.6/8.11.6) with ESMTP id i09Fae531852 for ; Fri, 9 Jan 2004 10:36:40 -0500 Message-ID: <3FFECA70.70F90B22@att.net> Date: Fri, 09 Jan 2004 15:36:16 +0000 From: "Dexter McIntyre W4DEX" X-Mailer: Mozilla 4.8 [en] (Windows NT 5.0; U) X-Accept-Language: en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <3FFDD87C.F0EF0309@att.net> <3FFDDE47.C1107691@att.net> <006901c3d641$b90d70f0$1f00a8c0@dellboy> <005f01c3d659$8a589380$0500a8c0@charter.net> <000d01c3d689$77e9a3d0$1f00a8c0@dellboy> Subject: Re: LF: 183 kHz BC Q5 in NC at sunset! Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Dave Pick wrote: > I did move down to 920 to avoid Dex's Loran line. > Dave, Sorry to say but you moved out of my Argo window. I am watching and uploading 920.5 to 923.5. Check out my loran lines at the real time Argo from NC posted at: http://www.w4dex.com/argo/135khz.htm Dex From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 28531 invoked from network); 8 Jan 2004 23:59:12 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 8 Jan 2004 23:59:12 -0000 Received: (qmail 95424 invoked from network); 8 Jan 2004 23:59:12 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 8 Jan 2004 23:59:11 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Aek3S-000Ohy-UU for dave@picks.force9.co.uk; Thu, 08 Jan 2004 23:59:11 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Aek38-0000wX-Jy for rs_out@blacksheep.org; Thu, 08 Jan 2004 23:58:50 +0000 X-No-DNS-For: 166.82.181.250 Received: from [166.82.181.250] (helo=dustmac.dustinmcintyre.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Aek37-0000wO-K0 for rsgb_lf_group@blacksheep.org; Thu, 08 Jan 2004 23:58:49 +0000 X-Fake-Domain: att.net Received: from att.net (main.dustinmcintyre.com [10.0.252.101]) by dustmac.dustinmcintyre.com (8.11.6/8.11.6) with ESMTP id i08Nwm527399 for ; Thu, 8 Jan 2004 18:58:48 -0500 Message-ID: <3FFDEEA3.40BE4FE5@att.net> Date: Thu, 08 Jan 2004 23:58:27 +0000 From: "Dexter McIntyre W4DEX" X-Mailer: Mozilla 4.8 [en] (Windows NT 5.0; U) X-Accept-Language: en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <3FFDD87C.F0EF0309@att.net> <3FFDDE47.C1107691@att.net> <006901c3d641$b90d70f0$1f00a8c0@dellboy> Subject: Re: LF: 183 kHz BC Q5 in NC at sunset! Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Dave Pick wrote: > I'll radiate a test tonight on 135.921 (ish) dot 60 if things look hopeful. > about -10dbW > It's on now. Dave, Try to avoid 135,921.053 if you can please. That is a local loran line for me. See my live Argo at: http://www.w4dex.com/argo/135khz.htm Tnx, Dex From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 69799 invoked from network); 8 Jan 2004 22:49:52 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 8 Jan 2004 22:49:52 -0000 Received: (qmail 63801 invoked from network); 8 Jan 2004 22:49:52 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 8 Jan 2004 22:49:49 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AeiyL-000GGY-13 for dave@picks.force9.co.uk; Thu, 08 Jan 2004 22:49:49 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AeixZ-00081L-8b for rs_out@blacksheep.org; Thu, 08 Jan 2004 22:49:01 +0000 X-No-DNS-For: 166.82.181.250 Received: from [166.82.181.250] (helo=dustmac.dustinmcintyre.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AeixY-00081C-95 for rsgb_lf_group@blacksheep.org; Thu, 08 Jan 2004 22:49:00 +0000 X-Fake-Domain: att.net Received: from att.net (main.dustinmcintyre.com [10.0.252.101]) by dustmac.dustinmcintyre.com (8.11.6/8.11.6) with ESMTP id i08Mmw526957; Thu, 8 Jan 2004 17:48:58 -0500 Message-ID: <3FFDDE47.C1107691@att.net> Date: Thu, 08 Jan 2004 22:48:39 +0000 From: "Dexter McIntyre W4DEX" X-Mailer: Mozilla 4.8 [en] (Windows NT 5.0; U) X-Accept-Language: en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org, "lowfer" References: <3FFDD87C.F0EF0309@att.net> Subject: Re: LF: 183 kHz BC Q5 in NC at sunset! Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Also 153, 162 and 177 kHz Q5 now at 2248 UT. > Good signal on 183 kHz BC here in NC at sunset. > > Dex From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 22355 invoked from network); 8 Jan 2004 22:24:53 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 8 Jan 2004 22:24:53 -0000 Received: (qmail 31370 invoked from network); 8 Jan 2004 22:24:53 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 8 Jan 2004 22:24:52 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AeiaC-00082v-5A for dave@picks.force9.co.uk; Thu, 08 Jan 2004 22:24:52 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AeiZe-0007hF-Rf for rs_out@blacksheep.org; Thu, 08 Jan 2004 22:24:18 +0000 X-No-DNS-For: 166.82.181.250 Received: from [166.82.181.250] (helo=dustmac.dustinmcintyre.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AeiZd-0007h6-Or for rsgb_lf_group@blacksheep.org; Thu, 08 Jan 2004 22:24:17 +0000 X-Fake-Domain: att.net Received: from att.net (main.dustinmcintyre.com [10.0.252.101]) by dustmac.dustinmcintyre.com (8.11.6/8.11.6) with ESMTP id i08MOG526851; Thu, 8 Jan 2004 17:24:16 -0500 Message-ID: <3FFDD87C.F0EF0309@att.net> Date: Thu, 08 Jan 2004 22:23:56 +0000 From: "Dexter McIntyre W4DEX" X-Mailer: Mozilla 4.8 [en] (Windows NT 5.0; U) X-Accept-Language: en MIME-Version: 1.0 To: "RSGB LF" , "lowfer" Subject: LF: 183 kHz BC Q5 in NC at sunset! Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Good signal on 183 kHz BC here in NC at sunset. Dex From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 1028 invoked from network); 7 Jan 2004 13:20:12 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 7 Jan 2004 13:20:12 -0000 Received: (qmail 97810 invoked from network); 7 Jan 2004 13:20:12 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 7 Jan 2004 13:20:11 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AeDbX-000PKf-AW for dave@picks.force9.co.uk; Wed, 07 Jan 2004 13:20:11 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AeDbD-0007ij-Ip for rs_out@blacksheep.org; Wed, 07 Jan 2004 13:19:51 +0000 X-No-DNS-For: 166.82.181.250 Received: from [166.82.181.250] (helo=dustmac.dustinmcintyre.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AeDbC-0007iW-Ex for rsgb_lf_group@blacksheep.org; Wed, 07 Jan 2004 13:19:50 +0000 X-Fake-Domain: att.net Received: from att.net (main.dustinmcintyre.com [10.0.252.101]) by dustmac.dustinmcintyre.com (8.11.6/8.11.6) with ESMTP id i07DJm518420 for ; Wed, 7 Jan 2004 08:19:48 -0500 Message-ID: <3FFC0766.DEEDFB2C@att.net> Date: Wed, 07 Jan 2004 13:19:34 +0000 From: "Dexter McIntyre W4DEX" X-Mailer: Mozilla 4.8 [en] (Windows NT 5.0; U) X-Accept-Language: en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <3FFABF62.CF749613@att.net> <011f01c3d48b$01167ee0$6ec428c3@captbrian> <005901c3d4b0$5ea65ec0$b1aa7ad5@rogersservices> Subject: Re: LF: TA 07 Jan 04 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Joe Craig wrote: > Very strong sigs from AQC. Laurie was also good into NC just after sunset. Was very nice to see that familiar DFCW. It was this month three years ago when I saw that first "Q" from Laurie. Last night I forgot to turn on Argo capture and almost missed saving his signal. Caught this much of it: http://w4dex.com/argo/135khz/07jan04/capt00050.jpg The rest of the night didn't produce mush activity on the screen. All captures showing any signal can been seen here: http://w4dex.com/argo/135khz/07jan04/ Dex From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 41605 invoked from network); 6 Jan 2004 14:01:10 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 6 Jan 2004 14:01:10 -0000 Received: (qmail 15183 invoked from network); 6 Jan 2004 14:01:09 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 6 Jan 2004 14:01:07 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Adrlb-0003hd-BP for dave@picks.force9.co.uk; Tue, 06 Jan 2004 14:01:07 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Adrkk-0003Pm-Be for rs_out@blacksheep.org; Tue, 06 Jan 2004 14:00:14 +0000 X-No-DNS-For: 166.82.181.250 Received: from [166.82.181.250] (helo=dustmac.dustinmcintyre.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Adrkj-0003Pd-72 for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2004 14:00:13 +0000 X-Fake-Domain: att.net Received: from att.net (main.dustinmcintyre.com [10.0.252.101]) by dustmac.dustinmcintyre.com (8.11.6/8.11.6) with ESMTP id i06E0B513265 for ; Tue, 6 Jan 2004 09:00:11 -0500 Message-ID: <3FFABF62.CF749613@att.net> Date: Tue, 06 Jan 2004 14:00:02 +0000 From: "Dexter McIntyre W4DEX" X-Mailer: Mozilla 4.8 [en] (Windows NT 5.0; U) X-Accept-Language: en MIME-Version: 1.0 To: "RSGB LF" Subject: LF: TA report 2004.01.06 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Two TA signals seen here overnight, CT1DRP and G3LDO. Brian's signal was blurred, at first I though by noise. But when Peter's signal was there it was clear. We seen this blurring on Argo displayed MF and HF signals which is thought to be multipath. Comments? Captures posted at: http://w4dex.com/argo/135khz/06jan04/ Dex, w4dex From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 33118 invoked from network); 3 Jan 2004 17:09:59 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 3 Jan 2004 17:09:59 -0000 Received: (qmail 13124 invoked from network); 3 Jan 2004 17:09:58 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 3 Jan 2004 17:09:57 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AcpHh-0003Iz-Kp for dave@picks.force9.co.uk; Sat, 03 Jan 2004 17:09:57 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AcpHQ-0007ag-DT for rs_out@blacksheep.org; Sat, 03 Jan 2004 17:09:40 +0000 X-No-DNS-For: 166.82.181.250 Received: from [166.82.181.250] (helo=dustmac.dustinmcintyre.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AcpHP-0007aV-9G for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 17:09:39 +0000 X-Fake-Domain: att.net Received: from att.net (main.dustinmcintyre.com [10.0.252.101]) by dustmac.dustinmcintyre.com (8.11.6/8.11.6) with ESMTP id i03H9b522786 for ; Sat, 3 Jan 2004 12:09:37 -0500 Message-ID: <3FF6F74F.7EEFED4@att.net> Date: Sat, 03 Jan 2004 17:09:35 +0000 From: "Dexter McIntyre W4DEX" X-Mailer: Mozilla 4.8 [en] (Windows NT 5.0; U) X-Accept-Language: en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <6.0.1.1.2.20040103141953.027f19b0@POP3.freeler.nl> Subject: Re: LF: TA test PA0SE Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit Dick,

I will change the Argolautor to the QRSS60 slow mode.

http://www.w4dex.com/argo/135khz.htm

The loop amp battery needs charging so the screen may be dead for a few hours but will be back up by 2200.

GL,
Dex

Dick Rollema wrote:

To All  from PA0SE

When it stays dry I intend to do some QRSS120 beaconing on 135922kHz, starting at about 2200 UTC today.

73, Dick, PA0SE

From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 37252 invoked from network); 15 Jan 2004 16:04:53 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 15 Jan 2004 16:04:53 -0000 Received: (qmail 32005 invoked from network); 15 Jan 2004 16:04:52 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 15 Jan 2004 16:04:51 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Ah9zG-00088C-Rj for dave@picks.force9.co.uk; Thu, 15 Jan 2004 16:04:50 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ah9yh-00066P-FC for rs_out@blacksheep.org; Thu, 15 Jan 2004 16:04:15 +0000 Received: from [68.1.17.243] (helo=lakemtao02.cox.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Ah9yg-00063W-IA for rsgb_lf_group@blacksheep.org; Thu, 15 Jan 2004 16:04:14 +0000 Received: from mindspring.com ([68.98.141.58]) by lakemtao02.cox.net (InterMail vM.5.01.06.05 201-253-122-130-105-20030824) with ESMTP id <20040115160343.FPKH2297.lakemtao02.cox.net@mindspring.com> for ; Thu, 15 Jan 2004 11:03:43 -0500 Message-ID: <4006B984.1050607@mindspring.com> Date: Thu, 15 Jan 2004 11:02:12 -0500 From: "Frank Gentges" User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.5) Gecko/20031007 X-Accept-Language: en-us, en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <014d01c3dac6$cd3aabe0$f89a8418@Peter> <4005E8D7.7000301@mindspring.com> <008301c3db50$4b377c60$b3c428c3@captbrian> <4006A641.1070809@usa.net> In-reply-to: <4006A641.1070809@usa.net> Subject: Re: LF: Re: lf andnoise and offshore. Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Let me add a few tidbits here as a nice discussion on sea gain seems to have begun. At 24 kHz, vertically polarized signals become pretty much unreadable with the best technology about 25 feet under the surface. Horizontally polarized signals do much less well. At 130 kHz the distance would be less. While it is remarkable that the signals penetrate at all, most of the signal is reflected or absorbed. In our case I think we can neglect the component that penetrates down. I suggest a model of a perfectly reflecting surface and sum the incoming waves accumulating into a coherent surface wave. Look at how the signal strength would be by looking out from the receiving antenna at zero degrees elevation. It is like summing a large number of samples where many tend to add and not so many subtract. Then modify that model to account for wave tilt due to the imperfect conductivity of the sea water as the wave tilt will limit the length of surface that is reflecting. In the case of sea water that length will be quite long if these waves can make it all the way from NY City to the Outer Banks on surface waves. Wave tilt is not covered in many modern texts but was topic for study with a few hardy souls such as Hund in his book on RF measurements back in the early 1930s. Hund dropped the subject in his secon revision. I would be happy to forward that section of his text as it seems to be a lost concept, at least over here in the US. The whole subject of sea gain deserves some attention and discussion. Frank K0BRA Alberto di Bene wrote: > captbrian wrote: > >> Franks interesting bit about reception in NC refers to 770khz - a >> long way >> from 136 - which in turn is a long way from the navy/submarine freqs. >> (anyone know what the navy freqs. are ? ) >> >> >> > From the site of Renato Romero ( > http://www.vlf.it/submarine/sbmarine.html ) : > ---- > Signals directed to atomic submarines in immersion. USA and Russia > transmit in the ELF band generating > a slow binary code. Frequencies are 76 Hz for the U.S. system and 82 > Hz in the Russian system; the E.R.P. > (Effective Radiated Power) is small, probably a few Watts, but signals > are receivable around the world. > ---- > > Note : they are 76 and 82 Hertz, not kilohertz... > > 73 Alberto I2PHD > > > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 29908 invoked from network); 15 Jan 2004 01:14:30 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 15 Jan 2004 01:14:30 -0000 Received: (qmail 10541 invoked from network); 15 Jan 2004 01:14:30 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 15 Jan 2004 01:14:29 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Agw5d-0002dA-9o for dave@picks.force9.co.uk; Thu, 15 Jan 2004 01:14:29 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Agw55-00081i-An for rs_out@blacksheep.org; Thu, 15 Jan 2004 01:13:55 +0000 Received: from [68.1.17.241] (helo=lakemtao04.cox.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Agw54-00081S-3n for rsgb_lf_group@blacksheep.org; Thu, 15 Jan 2004 01:13:54 +0000 Received: from mindspring.com ([68.98.141.58]) by lakemtao04.cox.net (InterMail vM.5.01.06.05 201-253-122-130-105-20030824) with ESMTP id <20040115011323.HHTH19895.lakemtao04.cox.net@mindspring.com> for ; Wed, 14 Jan 2004 20:13:23 -0500 Message-ID: <4005E8D7.7000301@mindspring.com> Date: Wed, 14 Jan 2004 20:11:51 -0500 From: "Frank Gentges" User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.5) Gecko/20031007 X-Accept-Language: en-us, en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <014d01c3dac6$cd3aabe0$f89a8418@Peter> In-reply-to: <014d01c3dac6$cd3aabe0$f89a8418@Peter> Subject: Re: LF: Re: lf andnoise and offshore. Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Peter, AMRAD conducted several winter trips to the Outer Banks of North Carolina to listen to LF signals in the days before transatlantic amateur signals were common. The Outer Banks are a long narrow strip of land several miles offshore from the North Carolina mainland. We observed LF broadcast signals and compared to what we were seeing at sites more inland were stronger. We attributed this signal difference to sea gain and would put its value at 10 or more dB in the few cases we observed although we did not make careful measurements. The ITU has put together a model for radio propagation and includes a factor for sea gain. It only works out to be worth a couple of dB in the test cases we ran. I think the ITU model does not recognize the amount of sea gain that is available from moving to the sea coast for the really best conditions at least below 200 kHz.. I am convinced it is there and is significant. Also the noise was low but we could find quiet sites inland and we just could not hear the Transatlantic signals nearly as well inland. I speculate that the LF waves are combining. and adding in phase due to the long wavelength, at the sea water interface and traveling in as surface waves stronger than the low angle sky waves that created them.. Similar to glints or mirages we see optically. We can hear other surface waves at 770 kHz on the Outer Banks from New York City duirng the day and night. We cannot hear them much past a mile inland as the land kills the surface wave propagation. While we did not conduct a similar experimant on LF I suspect they would also fade down to the sky wave strength if we went inland. Frank K0BRA Peter van Daalen wrote: >Sorry, > >I made a most ennoying typo : > >I wrote : > >snip..... >" Does sea again ( if any at all ? ) and low man made and evironment noise >add >substantially to the LF performance ? " >snip..... > > >While I meant to write : > >" Does seagain ( if any at all ? ) and etc... add substantially to LF >performance ? " > >I do know something on sea gain on 144 Mhz ( for /MM EME purpose on moonrise >and moonset ) but I am unaware of the seagain effects on LF. > > > > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 41171 invoked from network); 4 Jan 2004 10:55:55 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 4 Jan 2004 10:55:55 -0000 Received: (qmail 77881 invoked from network); 4 Jan 2004 10:55:55 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 4 Jan 2004 10:55:54 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Ad5vG-000K9Z-0n for dave@picks.force9.co.uk; Sun, 04 Jan 2004 10:55:54 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ad5ux-0006SI-TJ for rs_out@blacksheep.org; Sun, 04 Jan 2004 10:55:35 +0000 Received: from [213.40.66.77] (helo=retort.sout.netline.net.uk) by post.thorcom.com with esmtp (Exim 4.14) id 1Ad5ux-0006S9-2d for rsgb_lf_group@blacksheep.org; Sun, 04 Jan 2004 10:55:35 +0000 Received: from [213.40.200.133] (helo=taylormade) by retort.sout.netline.net.uk with smtp (Exim 4.24) id 1Ad5uR-0005nY-O7 for rsgb_lf_group@blacksheep.org; Sun, 04 Jan 2004 10:55:04 +0000 From: "G4WGT Gary" To: "Rsgb_Lf_Group" Date: Sun, 4 Jan 2004 10:55:03 -0000 Message-ID: MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0) Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Antenna's Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Hello again to all at LF, Happy New Year to you all. I have had a few days away over NY so I had quite a lot of e-mails to look thro'. I see that there has been some debate on antenna's again which suits me fine because I am considering trying to improve my LF antenna system. I need to improve on the support & insulation of the antenna since my recent experience with corona bringing down part of the antenna, so I going to try a different antenna arrangement at the same time. I have only got a small back garden & at the moment the arrangement is like a 80 to 90 mtr loop pulled in to the centre from the middle of the sides & then pulled upwards to the top of my 14 mtr mast & secured at the lower corners, this makes it take up a lot less space for the amount of wire used (An example of the shape is like a Maltese Cross with the centre up in a peak & the wide sides of the cross sloping steeply downwards). The "loop" is fed with 72 ohm twin feeder at the peak which allowed me to use it on the 80 M (3.5 Mhz) band with a balanced matching unit. Using this gave a great increase over the umberella top loading with 4 wires following the criteria set out on one of the web sites (I think Rik ON7YD). The new arrangement will basically be like a large bow tie shape using about 160 to 180 mtrs of wire (which is considerable more wire than the other version), the wide ends of the bow tie shape will be about 7 metres across 10 to 12 metres long & pinched together near the centre were it will be pulled up to the top of the mast. I am not sure if I should feed it at the centre (top of the mast) like a centre fed inverted V or feed it at the end like an end fed inverted V. I have seen article on the web relating to "umberella) top loading that suggests that if the top loading wires come down steeply that the vertical part of the antenna can be shielded & detracts from the performance as a vertical radiator, also that if the feeder is close to the metal mast that supports it that this also reduces performance, also it has been said that it is probably better to cover as much ground area as possible with loading wire in the space available . I would like you to look at a diagram of my idea (which is reasonably to scale) & give me your comments. This can be found at :- www.wgtaylor.talkgas.net/coilcabinet.jpg I have substituted the existing picture with the diagram hence the name coilcabinet. Please your comments direct or via LF reflector. Thanks & 73 Gary - G4WGT g4wgt@talkgas.net From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 77605 invoked from network); 9 Jan 2004 23:13:59 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 9 Jan 2004 23:13:59 -0000 Received: (qmail 59152 invoked from network); 9 Jan 2004 23:13:59 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 9 Jan 2004 23:13:58 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Af5pG-000FH8-4b for dave@picks.force9.co.uk; Fri, 09 Jan 2004 23:13:58 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Af5ou-00015P-VF for rs_out@blacksheep.org; Fri, 09 Jan 2004 23:13:36 +0000 Received: from [212.181.52.4] (helo=mail.g.bonet.se) by post.thorcom.com with esmtp (Exim 4.14) id 1Af5ou-00015G-D8 for rsgb_lf_group@blacksheep.org; Fri, 09 Jan 2004 23:13:36 +0000 X-Fake-Domain: xpvccg9go7v2ly Received: from xpvccg9go7v2ly (as4-6-4.td.g.bonet.se [194.236.142.119]) by mail.g.bonet.se (8.12.10/8.12.10) with SMTP id i09NAWT6090716 for ; Sat, 10 Jan 2004 00:10:44 +0100 (CET) (envelope-from begu@algonet.se) X-Bad-Message-ID: no DNS (xpvccg9go7v2ly) Message-ID: <008a01c3d706$31cf4a30$0302a8c0@xpvccg9go7v2ly> From: "gus" To: rsgb_lf_group@blacksheep.org Date: Sat, 10 Jan 2004 00:13:15 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2720.3000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: TX/Eu Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi I am active on 135,921,5 QRSS 60. 73 de Gus SM6BHZ From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 90034 invoked from network); 7 Jan 2004 00:13:17 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 7 Jan 2004 00:13:17 -0000 Received: (qmail 79718 invoked from network); 7 Jan 2004 00:13:17 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 7 Jan 2004 00:13:16 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Ae1K0-000Kd3-MK for dave@picks.force9.co.uk; Wed, 07 Jan 2004 00:13:16 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ae1Jm-0004dR-Ig for rs_out@blacksheep.org; Wed, 07 Jan 2004 00:13:02 +0000 Received: from [212.181.52.4] (helo=mail.g.bonet.se) by post.thorcom.com with esmtp (Exim 4.14) id 1Ae1Jl-0004dI-V3 for rsgb_lf_group@blacksheep.org; Wed, 07 Jan 2004 00:13:02 +0000 X-Fake-Domain: xpvccg9go7v2ly Received: from xpvccg9go7v2ly (as4-6-4.td.g.bonet.se [194.236.142.119]) by mail.g.bonet.se (8.12.10/8.12.10) with SMTP id i070A9T6022369 for ; Wed, 7 Jan 2004 01:10:17 +0100 (CET) (envelope-from begu@algonet.se) X-Bad-Message-ID: no DNS (xpvccg9go7v2ly) Message-ID: <002401c3d4b3$0f67ef10$0302a8c0@xpvccg9go7v2ly> From: "gus" To: rsgb_lf_group@blacksheep.org Date: Wed, 7 Jan 2004 01:13:08 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2720.3000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Test Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.1 required=5.0 tests=HTML_FONTCOLOR_RED,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
Test
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 54397 invoked from network); 19 Jan 2004 11:50:18 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 19 Jan 2004 11:50:18 -0000 Received: (qmail 95242 invoked from network); 19 Jan 2004 11:50:18 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 19 Jan 2004 11:50:17 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AiXv7-000OfJ-7h for dave@picks.force9.co.uk; Mon, 19 Jan 2004 11:50:17 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AiXv0-0000TG-7O for rs_out@blacksheep.org; Mon, 19 Jan 2004 11:50:10 +0000 Received: from [62.253.164.46] (helo=mta6-svc.business.ntl.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AiXuz-0000T7-Of for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 11:50:09 +0000 X-Fake-Domain: p4o2b7 Received: from p4o2b7 ([62.252.209.105]) by mta6-svc.business.ntl.com (InterMail vM.4.01.03.37 201-229-121-137-20020806) with SMTP id <20040119115008.YTC23247.mta6-svc.business.ntl.com@p4o2b7> for ; Mon, 19 Jan 2004 11:50:08 +0000 X-Bad-Message-ID: no DNS (p4o2b7) Message-ID: <000d01c3de82$b510d5c0$5967fea9@p4o2b7> From: "Ian Kyle" To: rsgb_lf_group@blacksheep.org Date: Mon, 19 Jan 2004 11:51:26 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: LF Activity. Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Good morning all, this posting is simply to inform any interested party or parties that as from 1300z today I am quitting LF. Poor health coupled with bad weather has meant that there is a backlog of repair work needed on the "outside bits" (as well as a new TX) and I no longer have either the physical or mental resources to undertake all this work - never mind any motivation. It has been interesting and fun, but there are other things I wish to try so this afternoon the LF antenna will come down. I shall remain on the reflector for a while yet, so 'bye for now' to all those with whom I have had enjoyable contact - either on air or by e-mail. 73 de, Ian GI8AYZ/MI0AYZ From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 9840 invoked from network); 14 Jan 2004 23:03:20 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 14 Jan 2004 23:03:20 -0000 Received: (qmail 53072 invoked from network); 14 Jan 2004 23:03:20 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 14 Jan 2004 23:03:19 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Agu2f-000DgA-VT for dave@picks.force9.co.uk; Wed, 14 Jan 2004 23:03:18 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Agu2G-0005mt-A8 for rs_out@blacksheep.org; Wed, 14 Jan 2004 23:02:52 +0000 Received: from [62.253.164.42] (helo=mta2-svc.business.ntl.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Agu2F-0005mk-8m for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 23:02:51 +0000 X-Fake-Domain: p4o2b7 Received: from p4o2b7 ([62.252.204.234]) by mta2-svc.business.ntl.com (InterMail vM.4.01.03.37 201-229-121-137-20020806) with SMTP id <20040114230247.NVTX6359.mta2-svc.business.ntl.com@p4o2b7> for ; Wed, 14 Jan 2004 23:02:47 +0000 X-Bad-Message-ID: no DNS (p4o2b7) Message-ID: <000201c3daf2$de4af120$5967fea9@p4o2b7> From: "Ian Kyle" To: rsgb_lf_group@blacksheep.org References: <1AgPdH-1ZJ71l0@fwd11.sul.t-online.com> <004701c3da25$425ad500$2102000a@ibm> Date: Wed, 14 Jan 2004 18:13:16 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: new here..little introduction Content-Type: multipart/mixed; boundary="------------010907070800030308010205" X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.7 required=5.0 tests=DATE_IN_PAST_03_06 autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 This is a multi-part message in MIME format. --------------010907070800030308010205 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit Hello Dick, I have been on LF for about 18 months using the antenna shown in the attachment with up to 200W on 73KHz and 100Won 136KHz from a standard size suburban plot without any interference problems at all on the transmit side. Plenty of QRM on receive but no trouble on TX. The antenna and its supporting stays are contained within the back garden which measures 18m. by 14m. with 5 houses all within 16m. of the vertical bit that does the actual radiating. As it happens, this coming weekend will be my last on LF as I am quitting to go back to VHF/UHF which remains my first love, and since all the VHF/UHF antennas had to come down to make way for the LF antenna so things have to happen in reverse now. My sole reason for going on to LF was to see if I could manage to fit a useful LF antenna into the available space and make QSOs on 73 KHz and that has been done. 136KHz is easier and even though the actual TX output power is only about 80W on 136, my QRSS signals have got out to UA6 and been seen (but not well enough for a QSO) by VO1NA. So you see it is not absolutely necessary to have lots of space and/or power. 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--------------010907070800030308010205-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 10479 invoked from network); 16 Jan 2004 19:48:52 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 16 Jan 2004 19:48:52 -0000 Received: (qmail 39127 invoked from network); 16 Jan 2004 19:48:52 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 16 Jan 2004 19:48:51 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AhZxb-000A4O-E2 for dave@picks.force9.co.uk; Fri, 16 Jan 2004 19:48:51 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AhZxN-0000iS-P4 for rs_out@blacksheep.org; Fri, 16 Jan 2004 19:48:37 +0000 Received: from [194.73.73.89] (helo=uranium.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AhZxN-0000iJ-5a for rsgb_lf_group@blacksheep.org; Fri, 16 Jan 2004 19:48:37 +0000 Received: from [213.122.251.162] (helo=oldpc) by uranium.btinternet.com with smtp (Exim 3.22 #25) id 1AhZxH-00054y-00 for rsgb_lf_group@blacksheep.org; Fri, 16 Jan 2004 19:48:31 +0000 X-Bad-Message-ID: no DNS (oldpc) Message-ID: <001201c3dc70$d13894e0$a2fb7ad5@oldpc> From: "Lech Laszkiewicz" To: rsgb_lf_group@blacksheep.org References: <1AgPdH-1ZJ71l0@fwd11.sul.t-online.com> <004701c3da25$425ad500$2102000a@ibm> <00b501c3daa2$fed47740$2701a8c0@lubon> Date: Fri, 16 Jan 2004 20:38:39 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4133.2400 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Re: new here..little introduction Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 I use 1.5Kw TX on136KHz. My nearest neighbours are only 10metres from my Marcconi "T" antenna and over last 3 years they had no interference on their MF nor VHF radios, television sets, terrestial and satellite. They use their computers a lot with no interference. I have advised them of my rsdio activities and I receive no complaints. Maybe I am just lucky. 73 de Lech, G3KAU ----- Original Message ----- From: "Marek SQ5BPM" To: Sent: Wednesday, January 14, 2004 1:33 PM Subject: LF: Re: new here..little introduction > > Sofar I haven't seen any reports of interference caused by 136kHz > > stations to consumers electronic devices. > > Wonder how serious is the possibility of interfering in audio-equipement > > in the neighbourhood?? > > Hi all, > > The only interference we found in our club was with our remote HF antenna > switching equipment: LEDs connected to long, ca. 40m long cables going to > remote relays glow during the transmission. These are probably not fully > decoupled from RF, but this is not at all annoying, even better, this gives > a visual sign of the transmitted signal HI. > > Additionally there is one rotor controller's "mouse" which is easy to get > interferred by LF as well as HF. It has it's cable unshielded and connected > straight to the uP inside the controller, so this is normal. > > Apart of that there is no known interference in our club and it's > surrounding caused by LF at all. Which unfortunately cannot be said about > higher frequencies, which easily get into audio & TV equipment ca. 100-150m > around the club... 25W of average power ATV on 70cm makes visual "ghosts" on > other TV signals. 50W on 50MHz or 144MHz usually causes a total "blackout" > in our closest neighbours' TVs, don't ask what happens if we transmit using > a little more power. HF causes interference only above ca. 250W, most > problematic being the highest HF bands. > > However 400W of input power on 136kHz makes zero interference. > > === > > I will try to be active on LF this weekend at last, starting on Friday. It > takes me more than an hour to prepare the TX and antenna plus QRSS QSOs are > time-consuming so I must be certain I have at least a few hours of spare > time, if I want to get active... > > 73! Marek SQ5BPM > SP5ZCC Scouts Radio Club > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 50080 invoked from network); 1 Jan 2004 01:51:36 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 1 Jan 2004 01:51:36 -0000 Received: (qmail 81260 invoked from network); 1 Jan 2004 01:51:35 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 1 Jan 2004 01:51:35 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Abrzq-000L1z-NC for dave@picks.force9.co.uk; Thu, 01 Jan 2004 01:51:34 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Abryn-0003g1-8z for rs_out@blacksheep.org; Thu, 01 Jan 2004 01:50:29 +0000 Received: from [194.109.127.138] (helo=smtpzilla2.xs4all.nl) by post.thorcom.com with esmtp (Exim 4.14) id 1Abrym-0003fs-5l for rsgb_lf_group@blacksheep.org; Thu, 01 Jan 2004 01:50:28 +0000 X-Fake-Domain: Smisan Received: from Smisan (a80-127-228-199.dial.xs4all.nl [80.127.228.199]) by smtpzilla2.xs4all.nl (8.12.9/8.12.9) with ESMTP id i011oGmK007585 for ; Thu, 1 Jan 2004 02:50:22 +0100 (CET) From: "M. Sanders" To: rsgb_lf_group@blacksheep.org Date: Thu, 1 Jan 2004 02:50:41 +0100 X-Bad-Message-ID: no DNS (Smisan) Message-ID: <000001c3d009$acf7a620$c7e47f50@Smisan> MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.2627 Importance: Normal In-reply-to: <6.0.1.1.2.20031229161651.027e8660@POP3.freeler.nl> X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: RE: LF: Re: "T" versus "L"aerial Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.4 required=5.0 tests=HTML_50_60,HTML_FONTCOLOR_UNKNOWN,HTML_FONT_BIG,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit

Dear Dick / Bob and Lofers,

 

Does the computer calculate the earth losses in the return path from the aerial system to the transmitter? If it would then the earth losses in a T should have been significantly less then the L alternative. There are two separate return currents
(parallel resistance) and each with a smaler physical length (lower R-earth)  in a T system resulting in more ERP if compared to an L system.

 

Greetings and best wishes for a (LF) radio-active 2004 to All.

 

Mike, PC4M (ex PA3BSH)

 

-----Oorspronkelijk bericht-----
Van: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org] Namens Dick Rollema
Verzonden: maandag 29 december 2003 16:37
Aan: rsgb_lf_group@blacksheep.org
Onderwerp: Re: LF: Re: "T" versus "L"aerial

 

To All from PA0SE

Bob, ZL2AC wrote:



Dick PA0SE,
 
Fine on the test result.  As you stated, the tested T has twice the amount of top loading wire (2x 20 metres) than the L (1x 20 metres).
 
It would be interesting to know if a T is better than an L for constant length top loading i.e. what the difference is if the upwire joins at the end or the middle of the horizontal top wire (theory suggests the T is better as there is minimal horizontally polarised component).
 
Bob,  I cannot answer your question by a practical experiment but used computer simulation instead by means of K6STI's program Antenna Optimizer.


I modeled two antennas with a vertical element of 20m.  One an Inverted L-antenna with a horizontal top load wire of 40m. The other a T-antenna with a top load of 2 x 20m.
Both antennas  without losses, over perfect ground and fed with 1kW.

At a distance of 10km (so well outside the near field region) and over perfect ground both antennas produced a vertically polarised field of 29.9mV/m. The horizontally polarised field was zero; but this is to be expected because over a perfect conducting ground a horizontal field component cannot exist.

73, Dick, PA0SE

Original message:


To: LF-Group

Sent: Sunday, December 28, 2003 3:09 AM

Subject: LF: "T" versus "L"aerial

To All from PA0SE

Further to my e-mail of 26 December I measured the field strength as radiated by the aerial in

Inverted L-configuration. From this I found EMRP = 57 milliwatt.

This confirms the benificial effect of top loading. The T-aerial radiated 140 milliwatt.

So going from a single 20m top load wire for the "L" to 2 x 20m for the "T" resulted in an improvement by a factor 2.46 (3.9dB) in radiated power.

The vertical part of the "T" consisted of an open wire feedline of 11m with the two wires connected in parallel in the attic shack. For the "L" one of the feedline wires was removed. I assume this did not appreciably affect the EMRP.

73, Dick, PA0SE

From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 85748 invoked from network); 6 Jan 2004 20:14:28 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 6 Jan 2004 20:14:28 -0000 Received: (qmail 29742 invoked from network); 6 Jan 2004 20:14:28 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 6 Jan 2004 20:14:27 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Adxat-0007d0-Ah for dave@picks.force9.co.uk; Tue, 06 Jan 2004 20:14:27 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Adxab-0001Cx-Sn for rs_out@blacksheep.org; Tue, 06 Jan 2004 20:14:09 +0000 Received: from [193.70.192.51] (helo=smtp1.libero.it) by post.thorcom.com with esmtp (Exim 4.14) id 1Adxab-0001Cd-Cp for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2004 20:14:09 +0000 X-Fake-Domain: default Received: from default (151.30.69.68) by smtp1.libero.it (7.0.020-DD01) id 3F6F0E4801EBE2A9 for rsgb_lf_group@blacksheep.org; Tue, 6 Jan 2004 21:14:10 +0100 From: "Matteo" To: rsgb_lf_group@blacksheep.org Date: Wed, 31 Dec 2003 21:52:02 +0100 X-MSMail-Priority: Normal X-Priority: 3 X-Mailer: Microsoft Internet Mail 4.70.1155 MIME-Version: 1.0 Message-ID: Subject: LF: looking vo1na for some info Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.5 required=5.0 tests=DATE_IN_PAST_96_XX,MISSING_MIMEOLE,MISSING_OUTLOOK_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 hi group and happy 2k4 , i read a mail of vo1na abt your rx loop can you send me the draw of it at my mail : IZ2DAY@LIBERO.IT From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 88077 invoked from network); 11 Jan 2004 09:41:13 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 11 Jan 2004 09:41:13 -0000 Received: (qmail 2709 invoked from network); 11 Jan 2004 09:41:13 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 11 Jan 2004 09:41:12 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Afc5o-0000aq-CI for dave@picks.force9.co.uk; Sun, 11 Jan 2004 09:41:12 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Afc5R-0002Ny-Qu for rs_out@blacksheep.org; Sun, 11 Jan 2004 09:40:49 +0000 Received: from [217.72.192.209] (helo=smtp.web.de) by post.thorcom.com with esmtp (Exim 4.14) id 1Afc5R-0002Nb-0z for rsgb_lf_group@blacksheep.org; Sun, 11 Jan 2004 09:40:49 +0000 Received: from [80.132.22.1] (helo=80.132.22.1) by smtp.web.de with esmtp (WEB.DE 4.99 #566) id 1Afc4w-0005q9-00 for rsgb_lf_group@blacksheep.org; Sun, 11 Jan 2004 10:40:18 +0100 Date: Sun, 11 Jan 2004 10:40:14 +0100 From: "Michael Oexner" X-Suspect-Bulk-Mailer: The Bat! X-Mailer: The Bat! (v1.62r) Personal X-Priority: 3 Message-ID: <1226735907.20040111104014@web.de> To: "G0MRF@aol.com" In-reply-to: <1d7.17e682e8.2d326c53@aol.com> References: <1d7.17e682e8.2d326c53@aol.com> MIME-Version: 1.0 Subject: Re: LF: 3C90 Al value? Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.3 required=5.0 tests=RCVD_NUMERIC_HELO autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Hello David: > After a 4 month wait I've received a batch of 58mm cores claiming to > be 3C90, but according to the catalogue they have the wrong colour > code. These are white (pos 3C11) not blue/white for 3C90. > The way to confirm is to calculate the Al value and compare to the > data on 3C90 3C85 3C11 etc materials. Unfortunately 3C90 is not > listed in my old data book. You'll find the specs at: http://www.alg.demon.co.uk/radio/136/comps.htm http://www.ferroxcube.com/prod/assets/3c90.pdf http://www.alg.demon.co.uk/radio/136/3C85.pdf -- Best regards, Michael mailto:michael.oexner@web.de From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 15795 invoked from network); 19 Jan 2004 11:03:09 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 19 Jan 2004 11:03:09 -0000 Received: (qmail 35084 invoked from network); 19 Jan 2004 11:03:08 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 19 Jan 2004 11:03:07 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AiXBT-0008zW-Bi for dave@picks.force9.co.uk; Mon, 19 Jan 2004 11:03:07 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AiXB6-0007r8-Vs for rs_out@blacksheep.org; Mon, 19 Jan 2004 11:02:44 +0000 Received: from [144.254.74.5] (helo=ams-iport-1.cisco.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AiXB6-0007qz-4d for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 11:02:44 +0000 Received: from virgin.net (144.254.74.60) by ams-iport-1.cisco.com with ESMTP; 19 Jan 2004 12:03:25 +0100 Received: from cisco.com (localhost [127.0.0.1]) by ams-msg-core-1.cisco.com (8.12.2/8.12.6) with ESMTP id i0JB2JE2021395 for ; Mon, 19 Jan 2004 12:02:20 +0100 (MET) Received: from virgin.net (ams-clip-vpn-dhcp173.cisco.com [10.61.64.173]) by cisco.com (8.8.8/2.6/Cisco List Logging/8.8.8) with ESMTP id LAA23497 for ; Mon, 19 Jan 2004 11:02:38 GMT Message-ID: <400BB94E.1010307@virgin.net> Date: Mon, 19 Jan 2004 11:02:38 +0000 From: "Stewart Bryant" User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.4) Gecko/20030624 Netscape/7.1 (ax) X-Accept-Language: en-us, en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <001701c3de64$01d15de0$27e8fc3e@l8p8y6> In-reply-to: <001701c3de64$01d15de0$27e8fc3e@l8p8y6> Subject: Re: LF: Manuals Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Mal The full manual was at the reference that I posted a few days ago, including a circuit diagram. Admitedly it was scanned as a bunch of pages, but it appears to all be there and scissors and tape would fix it back together. The file on the site is in .djvu format, but if you want me to render it to .pdf and send it to you, let me know. The circuit is 246K. The full manual will be much larger, and probably needs to be posted on a web site somewhere. 73 Stewart G3YSX hamilton mal wrote: > Hi All > Anyone looking for original manuals for AR88 rx, BRT400 rx, EDDYSTONE > 1590 rx. Let me know > Looking for HEATH SB 221 manual. I got a lot of info from Internet but > cannot find a good cct diagram. > I have an AMPLIFIER Collins 30L-1 round emblem spare if anyone > is interested. > Pse reply direct via email > > de Mal/G3KEV > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 92671 invoked from network); 16 Jan 2004 21:28:01 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 16 Jan 2004 21:28:01 -0000 Received: (qmail 51848 invoked from network); 16 Jan 2004 21:28:01 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 16 Jan 2004 21:28:00 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AhbVY-000DNK-1k for dave@picks.force9.co.uk; Fri, 16 Jan 2004 21:28:00 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AhbV0-0002ZS-Ab for rs_out@blacksheep.org; Fri, 16 Jan 2004 21:27:26 +0000 Received: from [144.254.74.5] (helo=ams-iport-1.cisco.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AhbUz-0002YO-IO for rsgb_lf_group@blacksheep.org; Fri, 16 Jan 2004 21:27:25 +0000 Received: from virgin.net (144.254.74.60) by ams-iport-1.cisco.com with ESMTP; 16 Jan 2004 22:27:49 +0100 Received: from cisco.com (localhost [127.0.0.1]) by ams-msg-core-1.cisco.com (8.12.2/8.12.6) with ESMTP id i0GLQZbW005028 for ; Fri, 16 Jan 2004 22:26:43 +0100 (MET) Received: from virgin.net (ams-clip-vpn-dhcp457.cisco.com [10.61.65.201]) by cisco.com (8.8.8/2.6/Cisco List Logging/8.8.8) with ESMTP id VAA01177 for ; Fri, 16 Jan 2004 21:26:53 GMT Message-ID: <4008571C.5060708@virgin.net> Date: Fri, 16 Jan 2004 21:26:52 +0000 From: "Stewart Bryant" User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.4) Gecko/20030624 Netscape/7.1 (ax) X-Accept-Language: en-us, en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <001001c3dc55$337a74a0$55e5fc3e@l8p8y6> <002701c3dc66$68849480$321279d1@jsm> In-reply-to: <002701c3dc66$68849480$321279d1@jsm> Subject: Re: LF: Re: HEATH SB221 AMP Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 There seems to be a manual at http://bama.sbc.edu/heath.htm but the site has an FTP limit of 10 and so I could not put it down to chack it. 73 Stewart G3YSX From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 96466 invoked from network); 20 Jan 2004 14:46:46 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 20 Jan 2004 14:46:46 -0000 Received: (qmail 50277 invoked from network); 20 Jan 2004 14:46:46 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 20 Jan 2004 14:46:43 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Aix9P-000Cmo-5S for dave@picks.force9.co.uk; Tue, 20 Jan 2004 14:46:43 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Aix9I-000676-Su for rs_out@blacksheep.org; Tue, 20 Jan 2004 14:46:36 +0000 Received: from [194.109.127.138] (helo=smtpzilla2.xs4all.nl) by post.thorcom.com with esmtp (Exim 4.14) id 1Aix9I-00066v-5R for rsgb_lf_group@blacksheep.org; Tue, 20 Jan 2004 14:46:36 +0000 X-Fake-Domain: p3700 Received: from p3700 (213-84-196-7.adsl.xs4all.nl [213.84.196.7]) by smtpzilla2.xs4all.nl (8.12.10/8.12.10) with ESMTP id i0KEkNFh013812 for ; Tue, 20 Jan 2004 15:46:35 +0100 (CET) From: "Willem de Roode" To: rsgb_lf_group@blacksheep.org Date: Tue, 20 Jan 2004 15:46:22 +0100 X-Bad-Message-ID: no DNS (p3700) Message-ID: <000001c3df64$2fa60940$0a01a8c0@p3700> MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.2627 Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: 4427 Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.9 required=5.0 tests=FROM_ENDS_IN_NUMS,HTML_90_100,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit

Hallo dick

 

De 4427 kun je bestellen bij barend

 

Groeten wim pa3ego@amsat.org

 

Succes 73s

From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 10000 invoked from network); 31 Jan 2004 14:30:43 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 31 Jan 2004 14:30:43 -0000 Received: (qmail 37408 invoked from network); 31 Jan 2004 14:30:43 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 31 Jan 2004 14:30:42 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim 4.30; FreeBSD) id 1Amw8w-0009NX-Bb for dave@picks.force9.co.uk; Sat, 31 Jan 2004 14:30:42 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Amw88-0003bt-U0 for rs_out@blacksheep.org; Sat, 31 Jan 2004 14:29:52 +0000 Received: from [194.73.73.92] (helo=carbon.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Amw88-0003bk-EX for rsgb_lf_group@blacksheep.org; Sat, 31 Jan 2004 14:29:52 +0000 Received: from [81.135.37.200] (helo=Main) by carbon.btinternet.com with smtp (Exim 3.22 #25) id 1Amw87-0000Pa-00 for rsgb_lf_group@blacksheep.org; Sat, 31 Jan 2004 14:29:51 +0000 X-Bad-Message-ID: no DNS (Main) Message-ID: <000e01c3e806$af15dfc0$6507a8c0@Main> From: "Alan Melia" To: rsgb_lf_group@blacksheep.org References: Date: Sat, 31 Jan 2004 14:29:14 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: G0MRF 300 w Tx Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi Gary a quick look at the circuit in the Handbook shows that the "Ext VFO" input goes straight to the input of a cmos divider running from 12v Vdd so you will need a signal in excess of about 9v p-p to drive it. Cmos transitions are around the vdd/2 point, so you might try putting a pair of highish value resistors (say 47k) to form a potential divider biassing the divider and then apply the DDS through a cap. Dont leave it like this for service as the divider stage will "oscillate" as it will have no noise immumity. You really need an extra driver stage on your DDS to make it swing +/- 12v. Cheers de Alan G3NYK alan.melia@btinternet.com ----- Original Message ----- From: "G4WGT - Gary" To: "Rsgb_Lf_Group" Sent: 31 January 2004 13:46 Subject: LF: G0MRF 300 w Tx > Hi all at LF, > > Can anyone advise me regarding using an external vfo on the 300 w > transmitter external vfo option. Has anyone used this feature? Connecting to > the external vfo input pin produces no output. I have just built the KG6CYN > DDS VFO offered by the G-QRP CLUB. > > Output: Buffered 1 Vpp into 50 Ohms for 50KHz to 40 MHz - Non Buffered > Output also provided. > > The original can be found at http://www.qsl.net/kg6cyn/DDS_Project.htm > > Similar e-mail to David direct. > > Thanks & 73 > > Gary - G4WGT > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 38128 invoked from network); 30 Jan 2004 22:50:08 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 30 Jan 2004 22:50:08 -0000 Received: (qmail 24905 invoked from network); 30 Jan 2004 22:50:07 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 30 Jan 2004 22:50:06 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AmhSg-0006Fh-O6 for dave@picks.force9.co.uk; Fri, 30 Jan 2004 22:50:06 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AmhS2-0000c0-Ur for rs_out@blacksheep.org; Fri, 30 Jan 2004 22:49:26 +0000 Received: from [194.73.73.89] (helo=uranium.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AmhS2-0000br-CL for rsgb_lf_group@blacksheep.org; Fri, 30 Jan 2004 22:49:26 +0000 Received: from [81.131.241.36] (helo=Main) by uranium.btinternet.com with smtp (Exim 3.22 #25) id 1AmhS1-00048l-00 for rsgb_lf_group@blacksheep.org; Fri, 30 Jan 2004 22:49:25 +0000 X-Bad-Message-ID: no DNS (Main) Message-ID: <001001c3e783$5675d240$6507a8c0@Main> From: "Alan Melia" To: rsgb_lf_group@blacksheep.org References: <000501c3e781$0944b100$7280883e@d6y6c7> Date: Fri, 30 Jan 2004 22:49:30 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Re. TA Jan 30 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi all it looks like under present conditions of continuous low level Geomag activity that signals are very location dependent, and the "golden spot" changes from night to night. My captures of Joe are listed below...times very approximate estimated off the capture screens 0000z "M" with local QRM 0110z "T" heavy QRM 0230z "O" 0310z "O" 0410z "O" 0500z "O" 0610z "O" 0730z "T" some QRM I think without the qrm most would be regarded as "identifyable". Strangely enough the screens contain a signal at 137.7781 sending PA0SE. I can only assume this is a mixing product with SXV or possibly CFH, as I am using an amplified loop, and at 2330 last night I was getting a very strong signal from Dick with very pronounced "dog-boning". Which just goes to show what can be done with less than max power. Cheers de Alan G3NYK ----- Original Message ----- From: "LAWRENCE MAYHEAD" To: Sent: 30 January 2004 22:32 Subject: LF: Re. TA Jan 30 > Congratulations to Dick for making it across. > For information I monitored VO1NA last night ,there were traces around 0100 > but the signal improved to "M"at 0300, then "O" copy 0500- 0530, fading > later, although still visible at 0700. > 73 Laurie. > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 73231 invoked from network); 25 Jan 2004 23:45:52 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 25 Jan 2004 23:45:52 -0000 Received: (qmail 88326 invoked from network); 25 Jan 2004 23:45:52 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 25 Jan 2004 23:45:51 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Aktwt-000Mrp-CA for dave@picks.force9.co.uk; Sun, 25 Jan 2004 23:45:51 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AktwQ-00069d-6R for rs_out@blacksheep.org; Sun, 25 Jan 2004 23:45:22 +0000 Received: from [194.73.73.89] (helo=uranium.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AktwP-00069T-E7 for rsgb_lf_group@blacksheep.org; Sun, 25 Jan 2004 23:45:21 +0000 Received: from [213.122.152.238] (helo=Main) by uranium.btinternet.com with smtp (Exim 3.22 #25) id 1AktwJ-0002oo-00 for rsgb_lf_group@blacksheep.org; Sun, 25 Jan 2004 23:45:16 +0000 X-Bad-Message-ID: no DNS (Main) Message-ID: <009901c3e39d$44073700$6507a8c0@Main> From: "Alan Melia" To: rsgb_lf_group@blacksheep.org References: <005401c3e2ad$3d2d3ba0$6507a8c0@Main> <000801c3e38f$bbec4d40$1f00a8c0@dellboy> Date: Sun, 25 Jan 2004 23:44:00 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Re: Running on 2 legs Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi Dave well we had a major storm (Kp=7) on 22nd and that is probably just working through now (2/3 day delay). I had a very high noise level earlier this evening.....I say high as it wiped out the TV and Low Energy light-bulb taces on ARGO!! I thought it was static rain at first but it was dry outside. I am getting nearer to understanding more about some of this stuff now...I send you a personal Cheers de Alan G3NYK ----- Original Message ----- From: "Dave Pick" To: Sent: 25 January 2004 22:08 Subject: LF: Re: Running on 2 legs > I doubt whether we'll see anything tonight... the screen looks devoid of any > Loran lines, usually a bad sign and topband has collapsed completely. What's > going on Alan? > The grabber is on just in case. > > Dave G3YXM > > > ----- Original Message ----- > > > > Dear LF Group, > > > > After trudging up the hill with snow shoes and my axe, > > convincing three trees to relinqish one of the 100 metre > > wires comprising my LF aerial and reconnecting everything, > > the aerial is back to its orginal form. > > > > Despite the poor conditions, the sigs were received well at > > Brian's CT1DRP grabber this morning around 0700UTC. > > > > The TX will be on again tonight/tomorrow morning on 137.777 kHz > > QRSS30. > > > > On another note, one should avoid aerial work during blizzards. > > This morning, I found the experience quite electrifying as > > a result of precip. static using me as an earth connection. > > > > Joe VO1NA > > > > > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 95056 invoked from network); 24 Jan 2004 19:08:14 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 24 Jan 2004 19:08:14 -0000 Received: (qmail 55161 invoked from network); 24 Jan 2004 19:08:14 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 24 Jan 2004 19:08:12 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AkT8e-000E8j-8G for dave@picks.force9.co.uk; Sat, 24 Jan 2004 19:08:12 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AkT7e-0000E7-El for rs_out@blacksheep.org; Sat, 24 Jan 2004 19:07:10 +0000 Received: from [194.73.73.111] (helo=gadolinium.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AkT7d-0000Dy-US for rsgb_lf_group@blacksheep.org; Sat, 24 Jan 2004 19:07:09 +0000 Received: from [213.122.8.72] (helo=Main) by gadolinium.btinternet.com with smtp (Exim 3.22 #25) id 1AkT7d-0000yI-00 for rsgb_lf_group@blacksheep.org; Sat, 24 Jan 2004 19:07:09 +0000 X-Bad-Message-ID: no DNS (Main) Message-ID: <005401c3e2ad$3d2d3ba0$6507a8c0@Main> From: "Alan Melia" To: "LF-Group" Date: Sat, 24 Jan 2004 19:06:54 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Brain ...bounce agn ...see site Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Sorry all after a solution....the saga continues. Alan G3NYK From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 59674 invoked from network); 22 Jan 2004 12:08:18 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 22 Jan 2004 12:08:18 -0000 Received: (qmail 64439 invoked from network); 22 Jan 2004 12:08:17 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 22 Jan 2004 12:08:16 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AjddA-000Ged-PR for dave@picks.force9.co.uk; Thu, 22 Jan 2004 12:08:16 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ajdcw-0006iY-HC for rs_out@blacksheep.org; Thu, 22 Jan 2004 12:08:02 +0000 Received: from [194.73.73.111] (helo=gadolinium.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Ajdcv-0006iL-Ox for rsgb_lf_group@blacksheep.org; Thu, 22 Jan 2004 12:08:01 +0000 Received: from [81.131.226.19] (helo=Main) by gadolinium.btinternet.com with smtp (Exim 3.22 #25) id 1Ajdcu-0001At-00 for rsgb_lf_group@blacksheep.org; Thu, 22 Jan 2004 12:08:00 +0000 X-Bad-Message-ID: no DNS (Main) Message-ID: <001b01c3e0e0$598e4ce0$6507a8c0@Main> From: "Alan Melia" To: "LF-Group" Date: Thu, 22 Jan 2004 12:06:38 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Brian...re ISP block Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi all, sorry still only acces to CT.... Hi Brian, comments in system report, requested from me after 48hours. I will make another trial now. Cheers de Alan G3NYK alan.melia@btinternet.com From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 29056 invoked from network); 21 Jan 2004 01:35:24 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 21 Jan 2004 01:35:24 -0000 Received: (qmail 94335 invoked from network); 21 Jan 2004 01:35:23 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 21 Jan 2004 01:35:22 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Aj7H8-000OQN-KT for dave@picks.force9.co.uk; Wed, 21 Jan 2004 01:35:22 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Aj7Ge-0001tK-U7 for rs_out@blacksheep.org; Wed, 21 Jan 2004 01:34:52 +0000 Received: from [194.73.73.93] (helo=rhenium.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Aj7Ge-0001tB-By for rsgb_lf_group@blacksheep.org; Wed, 21 Jan 2004 01:34:52 +0000 Received: from [213.122.58.240] (helo=Main) by rhenium.btinternet.com with smtp (Exim 3.22 #25) id 1Aj7Gd-0000y5-00 for rsgb_lf_group@blacksheep.org; Wed, 21 Jan 2004 01:34:51 +0000 X-Bad-Message-ID: no DNS (Main) Message-ID: <001301c3dfbe$cc459b80$6507a8c0@Main> From: "Alan Melia" To: "LF-Group" Date: Wed, 21 Jan 2004 01:35:01 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: re TC44 etc Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi Dick, it is not really all that necessary to use that chip. It is quite possible to drive the gates quite adequately with a PNP-NPN totem pair (emitter followers...the emitters to the output ...npn top pnp bottom...bases strapped together). These can be driven from 12v logic levels (cmos) Most switching FETs will turn on at about 6 volts but need around 10 to 12 volts for high currents. In fact the chipp can be a cause of FET failure, it you remove the drive from the TC44xx and dont kill the supply the output just stays high, holding the FET on. I think there are some advantages in the keying technique used by Dave G3YXM and Dave G0MRF, in that as the supply is keyed the "ON" times changes "gently" helping tame the click. Cheers de Alan G3NYK alan.melia@btinternet.com From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 76949 invoked from network); 20 Jan 2004 17:27:06 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 20 Jan 2004 17:27:06 -0000 Received: (qmail 65085 invoked from network); 20 Jan 2004 17:27:05 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 20 Jan 2004 17:27:04 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Aizea-000GoG-RH for dave@picks.force9.co.uk; Tue, 20 Jan 2004 17:27:04 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AizeQ-00012J-Vu for rs_out@blacksheep.org; Tue, 20 Jan 2004 17:26:54 +0000 Received: from [194.73.73.93] (helo=rhenium.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AizeQ-000127-Ik for rsgb_lf_group@blacksheep.org; Tue, 20 Jan 2004 17:26:54 +0000 Received: from [213.122.73.84] (helo=Main) by rhenium.btinternet.com with smtp (Exim 3.22 #25) id 1AizeM-0006Mw-00 for rsgb_lf_group@blacksheep.org; Tue, 20 Jan 2004 17:26:50 +0000 X-Bad-Message-ID: no DNS (Main) Message-ID: <000701c3df7a$98764dc0$6507a8c0@Main> From: "Alan Melia" To: "LF-Group" Date: Tue, 20 Jan 2004 17:26:48 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Brian ...copy loaded Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Sorry all, we have an inter-ISP problem. Alan From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 16126 invoked from network); 20 Jan 2004 10:49:23 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 20 Jan 2004 10:49:23 -0000 Received: (qmail 11916 invoked from network); 20 Jan 2004 10:49:22 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 20 Jan 2004 10:49:21 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AitRh-0002z4-Nx for dave@picks.force9.co.uk; Tue, 20 Jan 2004 10:49:21 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AitQZ-0001UD-Vh for rs_out@blacksheep.org; Tue, 20 Jan 2004 10:48:11 +0000 Received: from [194.73.73.147] (helo=einsteinium.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AitQX-0001Ts-9R for rsgb_lf_group@blacksheep.org; Tue, 20 Jan 2004 10:48:09 +0000 Received: from [81.135.73.68] (helo=Main) by einsteinium.btinternet.com with smtp (Exim 3.22 #25) id 1AitQR-0000NN-00 for rsgb_lf_group@blacksheep.org; Tue, 20 Jan 2004 10:48:04 +0000 X-Bad-Message-ID: no DNS (Main) Message-ID: <001801c3df42$dd819b00$6507a8c0@Main> From: "Alan Melia" To: "LF-Group" Date: Tue, 20 Jan 2004 10:47:50 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Brian...another "bounce" Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi all sorry abt this ....Brian here is the error message from the bounce...have save the complete thing but I believe this is the important bit. --------------------------------- brian@esoterica.pt SMTP error from remote mailer after MAIL FROM:: host mail-relay.esoterica.pt [195.22.31.53]: 554 5.7.1 Rejected 194.73.73.147 found in dnsbl.sorbs.net -------------------------------- Cheers de Alan G3NYK alan.melia@btinternet.com From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 95386 invoked from network); 19 Jan 2004 23:58:12 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 19 Jan 2004 23:58:12 -0000 Received: (qmail 42493 invoked from network); 19 Jan 2004 23:58:12 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 19 Jan 2004 23:58:11 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AijHX-000AwQ-Ci for dave@picks.force9.co.uk; Mon, 19 Jan 2004 23:58:11 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AijHE-0006W8-0N for rs_out@blacksheep.org; Mon, 19 Jan 2004 23:57:52 +0000 Received: from [194.73.73.148] (helo=zinc.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AijHD-0006Vz-H5 for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 23:57:51 +0000 Received: from [213.122.54.13] (helo=Main) by zinc.btinternet.com with smtp (Exim 3.22 #25) id 1AijHC-0000QM-00 for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 23:57:50 +0000 X-Bad-Message-ID: no DNS (Main) Message-ID: <004501c3dee8$14c2de40$6507a8c0@Main> From: "Alan Melia" To: rsgb_lf_group@blacksheep.org References: <001301c3de7a$dade8b60$fe79a8c0@PCVONWALTER> <4010040925.20040119114525@dx.ru> <000a01c3dea1$7a180000$6507a8c0@Main> <004001c3dedd$be08eae0$80a82951@BI57429bankinter> Date: Mon, 19 Jan 2004 23:57:59 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Re: Re: RU6LA acty Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi Jose, yes quite possibly. You are about 100kms North of Brian, I dont know how that would affect the path length, but the "interference fringes" at ground level from multi-hop ionospheric path can differ by an appreciable about in just 10 kms or so, particularly at a distance of 3700kms. There is a bit of naive schoolboy maths on my web site with the equations for one and two hop path lengths. (though for this path length it is probably 2 and 3 hop ) You may also be taking returns from different volumes of ionosphere. It would seem that things were moving around quite rapidly maybe as a result of some of the recent minor geomag activity....ripples in the layers ?? Cheers de Alan G3NYK PS... Brian your email address is being rejected ...your ISP is off air again or something. (2330 - 2400 19th) ----- Original Message ----- From: "José Manuel" To: Sent: 19 January 2004 22:44 Subject: LF: Re: Re: RU6LA acty > Hi Alan, Ed and all: > > I think that the Machta-Porto and Machta-La Coruńa paths are very similar > (about 3700 km), but this weekend I realized that the peaks and the deeps of > the signals at this end of the hop didn´t coincide at the same time. Can be > this considered logic? > > 73 de José, EA1PX > > > ----- Original Message ----- > From: "Alan Melia" > To: > Sent: Monday, January 19, 2004 4:32 PM > Subject: LF: Re: RU6LA acty > > > > > > ----- Original Message ----- > > From: "Ed Lesnichy" > > To: > > Sent: 19 January 2004 11:45 > > Subject: LF: RU6LA acty > > > > > > > Dear LF-enthusiasts! > > > Some conclusions from last acty: the propagation was very unstable on > > > a distance up to 3000km at the night but for me there was by a surprise > > > a very good and stable propagation to daytime (Jan 18) > > > > Hi Ed, I guess I was a bit too optimistic. The geomagnetic condition > > continued to be unsettled (Kp=4) and precipitate electrons into the > D-layer. > > The result was to "top-up" a "reflecting" daytime layer at about 50kms, > > giving enhanced daytime propagation, but at night, persistant ionisation > > gave absorption, limiting levels but with fairly short period deep fading. > I > > have a plot from Brian from the 17th that displays this. The daytime > > enhancement between DCF39 and CT1 was 10dB higher than average at 1200z. > > Brian's daytime signal from DCF39 is by skywave and on average is some > 20dB > > above the groundwave signal at about mid-day. It normally needs a major > > geomag storm in the summer to give enhancement of of 10dB on top of this > in > > daytime. > > > > Thanks for your efforts > > Regards de Alan G3NYK > > alan..melia@btinternet.com > > > > > > > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 1180 invoked from network); 19 Jan 2004 23:44:19 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 19 Jan 2004 23:44:19 -0000 Received: (qmail 42905 invoked from network); 19 Jan 2004 23:44:19 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 19 Jan 2004 23:44:18 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Aij46-000B33-6r for dave@picks.force9.co.uk; Mon, 19 Jan 2004 23:44:18 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Aij3e-0006FW-9J for rs_out@blacksheep.org; Mon, 19 Jan 2004 23:43:50 +0000 Received: from [194.73.73.148] (helo=zinc.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Aij3d-0006FN-Q1 for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 23:43:49 +0000 Received: from [213.122.54.13] (helo=Main) by zinc.btinternet.com with smtp (Exim 3.22 #25) id 1Aij3d-0006rV-00 for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 23:43:49 +0000 X-Bad-Message-ID: no DNS (Main) Message-ID: <003e01c3dee6$1f03e860$6507a8c0@Main> From: "Alan Melia" To: rsgb_lf_group@blacksheep.org References: <1074543877.400c3d051a334@webmail2.kuleuven.be> <00a901c3ded7$9c359cc0$2102000a@ibm> Date: Mon, 19 Jan 2004 23:44:00 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Where to get TC44... and MUR1660?? Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.1 required=5.0 tests=MAILTO_TO_SPAM_ADDR autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Have you tried this one Dick. http://www.xs4all.nl/~barendh/Indexeng.htm Cheers de Alan G3NYK alan.melia@btinternet.com ----- Original Message ----- From: "Dick" To: Sent: 19 January 2004 21:59 Subject: LF: Where to get TC44... and MUR1660?? > Hello all, > > I am wondering where I can get (one of) the following components: > > TC4421 > TC4422 > TC4426 > MUR1660CT > > A google search didn't deliver a resonable result. > I am looking for a store/firm in Holland or Germany, as this is > the easiest way in case of ordering/paying. > > Any suggestions?? > > Meanwhile I started to build the first part for my 136kHz station: > the 1370kHz VFO.......... > The rest will be a lot of bits and pieces from various designs, likely > resulting in a QRPP transmitter capable of producing 100Watt or so. > > 73 > > Dick, PA4VHF (JO32eh) > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 49879 invoked from network); 19 Jan 2004 16:02:57 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 19 Jan 2004 16:02:57 -0000 Received: (qmail 28005 invoked from network); 19 Jan 2004 16:02:57 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 19 Jan 2004 16:02:56 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Aibrc-0007Ag-DK for dave@picks.force9.co.uk; Mon, 19 Jan 2004 16:02:56 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AibrL-00065K-5U for rs_out@blacksheep.org; Mon, 19 Jan 2004 16:02:39 +0000 Received: from [194.73.73.81] (helo=tungsten.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AibrK-00065B-LN for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 16:02:38 +0000 Received: from [213.122.21.211] (helo=Main) by tungsten.btinternet.com with smtp (Exim 3.22 #25) id 1AibrJ-0007M1-00 for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 16:02:38 +0000 X-Bad-Message-ID: no DNS (Main) Message-ID: <001e01c3dea5$ab4064c0$6507a8c0@Main> From: "Alan Melia" To: rsgb_lf_group@blacksheep.org References: Date: Mon, 19 Jan 2004 16:01:25 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: AC feeder... Content-Type: text/plain; charset=ISO-8859-2; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi Rich, it may be right off and impossible ( I am not a BC engineer !! or a power engineer) But would it be possible to put a capacitor in parallel with the light-feed chokes to parallel tune them to nearer 136kHz and increase their impedance to that frequency ?? Flames accepted if that is a silly idea. !! It would need to be a high voltage rated cap of course. Cheers de Alan G3NYK alan.melia@btinternet.com ----- Original Message ----- From: "Gasparik Richard" To: "Rsgb_Lf_Group (E-mail)" Sent: 19 January 2004 15:36 Subject: LF: AC feeder... > Here is the feeding of AC through the RF line...inside the feeder....very > well coupling... > > Rich OM2TW > <> > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 4489 invoked from network); 19 Jan 2004 15:32:59 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 19 Jan 2004 15:32:59 -0000 Received: (qmail 790 invoked from network); 19 Jan 2004 15:32:59 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 19 Jan 2004 15:32:57 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AibOb-00005k-RO for dave@picks.force9.co.uk; Mon, 19 Jan 2004 15:32:57 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AibOL-0005EI-It for rs_out@blacksheep.org; Mon, 19 Jan 2004 15:32:41 +0000 Received: from [194.73.73.147] (helo=einsteinium.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AibOJ-0005E9-0m for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 15:32:39 +0000 Received: from [213.122.89.105] (helo=Main) by einsteinium.btinternet.com with smtp (Exim 3.22 #25) id 1AibOI-0004Bw-00 for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 15:32:38 +0000 X-Bad-Message-ID: no DNS (Main) Message-ID: <000a01c3dea1$7a180000$6507a8c0@Main> From: "Alan Melia" To: rsgb_lf_group@blacksheep.org References: <001301c3de7a$dade8b60$fe79a8c0@PCVONWALTER> <4010040925.20040119114525@dx.ru> Date: Mon, 19 Jan 2004 15:32:03 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: RU6LA acty Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 ----- Original Message ----- From: "Ed Lesnichy" To: Sent: 19 January 2004 11:45 Subject: LF: RU6LA acty > Dear LF-enthusiasts! > Some conclusions from last acty: the propagation was very unstable on > a distance up to 3000km at the night but for me there was by a surprise > a very good and stable propagation to daytime (Jan 18) Hi Ed, I guess I was a bit too optimistic. The geomagnetic condition continued to be unsettled (Kp=4) and precipitate electrons into the D-layer. The result was to "top-up" a "reflecting" daytime layer at about 50kms, giving enhanced daytime propagation, but at night, persistant ionisation gave absorption, limiting levels but with fairly short period deep fading. I have a plot from Brian from the 17th that displays this. The daytime enhancement between DCF39 and CT1 was 10dB higher than average at 1200z. Brian's daytime signal from DCF39 is by skywave and on average is some 20dB above the groundwave signal at about mid-day. It normally needs a major geomag storm in the summer to give enhancement of of 10dB on top of this in daytime. Thanks for your efforts Regards de Alan G3NYK alan..melia@btinternet.com From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 56195 invoked from network); 15 Jan 2004 11:21:05 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 15 Jan 2004 11:21:05 -0000 Received: (qmail 25229 invoked from network); 15 Jan 2004 11:21:05 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 15 Jan 2004 11:21:03 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Ah5Yd-0006Kx-3m for dave@picks.force9.co.uk; Thu, 15 Jan 2004 11:21:03 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ah5Y4-000108-9f for rs_out@blacksheep.org; Thu, 15 Jan 2004 11:20:28 +0000 Received: from [194.73.73.92] (helo=carbon.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Ah5Y3-0000zz-LK for rsgb_lf_group@blacksheep.org; Thu, 15 Jan 2004 11:20:27 +0000 Received: from [213.122.114.231] (helo=Main) by carbon.btinternet.com with smtp (Exim 3.22 #25) id 1Ah5Y1-0007Aw-00 for rsgb_lf_group@blacksheep.org; Thu, 15 Jan 2004 11:20:25 +0000 X-Bad-Message-ID: no DNS (Main) Message-ID: <000701c3db59$8790ec60$6507a8c0@Main> From: "Alan Melia" To: "LF-Group" Date: Thu, 15 Jan 2004 11:20:02 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Propagation update Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi all, CFH was active again last night and to my relief showed quite good levelsbetween 2400z and 0600z, peaking 39dBuV. The signal did not disappear from my screen until about 1100z this morning. There was no deep fading but a lot of shallow rapid fading so I believe the recovery is not yet complete. However it looks as though there should be some good night-time conditions for the activty this weekend. Although there was a low level (C-Class flare) this morning NOAA SEC predicts a quiet few days. Good Luck Cheers de Alan G3NYK alan.melia@btinternet.com From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 36788 invoked from network); 13 Jan 2004 23:34:24 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 13 Jan 2004 23:34:24 -0000 Received: (qmail 47588 invoked from network); 13 Jan 2004 23:34:24 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 13 Jan 2004 23:34:23 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AgY3D-000CGg-I5 for dave@picks.force9.co.uk; Tue, 13 Jan 2004 23:34:23 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AgY2r-0005Ft-M6 for rs_out@blacksheep.org; Tue, 13 Jan 2004 23:34:01 +0000 Received: from [194.73.73.111] (helo=gadolinium.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AgY2r-0005Fk-2r for rsgb_lf_group@blacksheep.org; Tue, 13 Jan 2004 23:34:01 +0000 Received: from [213.122.33.236] (helo=Main) by gadolinium.btinternet.com with smtp (Exim 3.22 #25) id 1AgY2p-00071w-00 for rsgb_lf_group@blacksheep.org; Tue, 13 Jan 2004 23:34:00 +0000 X-Bad-Message-ID: no DNS (Main) Message-ID: <003501c3da2d$baf04d80$6507a8c0@Main> From: "Alan Melia" To: rsgb_lf_group@blacksheep.org References: <1AgPdH-1ZJ71l0@fwd11.sul.t-online.com> <004701c3da25$425ad500$2102000a@ibm> Date: Tue, 13 Jan 2004 23:26:05 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: new here..little introduction Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.1 required=5.0 tests=MAILTO_TO_SPAM_ADDR autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi Dick, welcome to the reflector. There are a number of stations in the UK that use high power from fairly ordinary sized plots. Peter G3LDO has a long garden but is not that far from neighbours, also Jim M0BMU, and not far away Mike G3XDV. Dave G3YMC has a very small plot and used a loop but only with about 40W, local TV PSU interference has spoiled Dave's listening. Remote quiet aerial sites are very useful but you might be surprised how good a small loop can be in built up areas if you can get it away a little from the house lines. The AOR 7030 is the RX I use and I have found it very stable, and very reliable. I look forward to hearing your signal (PA is a local to me on 136kHz !! ) Cheers de Alan G3NYK IO02PB alan.melia@btinternet.com http://www.alan.melia.btinternet.co.uk ----- Original Message ----- From: "Dick" To: Sent: 13 January 2004 22:32 Subject: LF: new here..little introduction > Hello all, > > I am rather new on this list, and will give a brief introduction. > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 15243 invoked from network); 12 Jan 2004 20:29:51 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 12 Jan 2004 20:29:51 -0000 Received: (qmail 51908 invoked from network); 12 Jan 2004 20:29:51 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 12 Jan 2004 20:29:50 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Ag8h4-000DOC-5M for dave@picks.force9.co.uk; Mon, 12 Jan 2004 20:29:50 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ag8gR-00006N-PK for rs_out@blacksheep.org; Mon, 12 Jan 2004 20:29:11 +0000 Received: from [194.73.73.148] (helo=zinc.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Ag8gR-00006E-1H for rsgb_lf_group@blacksheep.org; Mon, 12 Jan 2004 20:29:11 +0000 Received: from [213.122.166.202] (helo=Main) by zinc.btinternet.com with smtp (Exim 3.22 #25) id 1Ag8gP-0006UT-00 for rsgb_lf_group@blacksheep.org; Mon, 12 Jan 2004 20:29:10 +0000 X-Bad-Message-ID: no DNS (Main) Message-ID: <000901c3d94a$be98d440$6507a8c0@Main> From: "Alan Melia" To: "LF-Group" Date: Mon, 12 Jan 2004 20:26:50 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Propagation outlook (I hope?) Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi all, after successfully helping John and Dex to a daytime 1000kms DX qso under part 15 regs, I am emboldened to make some "predictions" for the coming week. This time is particularly interesting as both Ed RU6LA and Rich OM2TW will be at their "big aerial" sites next weekend. As the weather forecasters say 5 days is a long time.....but, NOAA SEC says that the coronal hole has moved away and predicts a period of low geomagnetic activity. Also the sun-spot that produced the M-Class flares last week has moved away. The activity in early January terminated quite a long quiet period, and though there are signs of absorbtion and daylight skywave I do not think the ionisation will take long to decay. The real-time plot of DCF39 on Steve's W3EEE web site is showing quite good levels despite the geomag activity. The NOAA report suggests that we will get a few quiet days for any absorbing material in the D-layer to decay away and leave some chance of good night-time conditions by next weekend the 16/18th. I am not sure how good day-time conditions will be, but I expect Ed and Rich's signals to reach most parts of Europe in daytime. They will of course be better as the path moves into darkness, which will be about 1300z for Ed, though it will be 1500z before a substantial amount of the D-layer towards Europe is in darkness. Good Luck all Cheers de Alan G3NYK alan.melia@btinternet.com From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 3443 invoked from network); 12 Jan 2004 14:11:36 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 12 Jan 2004 14:11:36 -0000 Received: (qmail 92809 invoked from network); 12 Jan 2004 14:11:36 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 12 Jan 2004 14:11:33 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Ag2mz-000Ndb-5X for dave@picks.force9.co.uk; Mon, 12 Jan 2004 14:11:33 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ag2mg-0000QL-J6 for rs_out@blacksheep.org; Mon, 12 Jan 2004 14:11:14 +0000 Received: from [194.73.73.93] (helo=rhenium.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Ag2mf-0000QC-VL for rsgb_lf_group@blacksheep.org; Mon, 12 Jan 2004 14:11:14 +0000 Received: from [81.135.39.101] (helo=Main) by rhenium.btinternet.com with smtp (Exim 3.22 #25) id 1Ag2me-0002Fi-00 for rsgb_lf_group@blacksheep.org; Mon, 12 Jan 2004 14:11:13 +0000 X-Bad-Message-ID: no DNS (Main) Message-ID: <000b01c3d915$ecdaaac0$6507a8c0@Main> From: "Alan Melia" To: rsgb_lf_group@blacksheep.org References: <007a01c3d870$20dd0bc0$0500a8c0@charter.net> <304614133.20040112111754@dx.ru> Date: Mon, 12 Jan 2004 14:10:56 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Re: First WOLF QSO! Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi Ed, as John says, I do not recall any two-way WOLF qsos. I think only Jim M0BMU, Andy G4JNT have transmit it, that I can remember. It is basically an "off-line" decoding system, where with weak signals one may have to process the recorded file several times. I think a lot of us were waiting and maybe hoping for a "instant", real-time version. Then Alberto came along with Jason as a keyboard decoded mode, and WOLF did not seem to progress. (Stewart provided some adaptive code to improve the decoder in Alberto's system) I also believe that WOLF is transmit as BPSK which generally requires a linear PA. (Jason is an FSK mode so can use non-linear PAs) Generally for high power station one requires a DDS exciter with a non linear PA, to prouce "soft" phase transitions. It is possible with some hardware that Jim developed to produce soft phase changes which would be required on a high power station to control bandwidth. I dont think the bandwidth is such an issue with FCC Part 15, 1 watt output, stations. Details from memory (liable to suffer dropped bits these days ...:-)) Look at http://www.scgroup.com/ham/wolf.html for the full story. Well done on repairing the aerial at Machta and we look forward to hearing your signals again. Cheers de Alan G3NYK alan.melia@btinternet.com ----- Original Message ----- From: "Ed Lesnichy" To: Sent: 12 January 2004 11:17 Subject: LF: Re: First WOLF QSO! > John, Dex and LF-enthusiasts! > > My congratulations to John W1TAG and Dex W4DEX! > It is remarkable result at such very small ERP! > I believe what to RX a very weak signal at 1w DC input max (not 1w > ERP!!), and antenna less than 15m on distance abt 1080km it is very > difficult in any modes...probably in WOLF is especial...and at the daytime... > > On what greatest distance it was possible to RX in long QRSS such small > ERP at night? > > US's Lowfers have saved wide experience in reception of very weak > signals on LF - when already they will appear on 136 or 160-190kHz for > longway 2-way QSO with high-grade ERP? > > The first(?) reception of Europe signal in North America on WOLF: > John W1TAG RX Jim M0BMU at March 9, 2001 at QRB abt 5307km > > Whether who has made 2-way QSO on WOLF in Europe? > > When (date) Stewart KK7KA has made WOLF mode? > > 73! Ed RU6LA ed@dx.ru http://136.73.ru > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 74576 invoked from network); 4 Jan 2004 00:25:36 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 4 Jan 2004 00:25:36 -0000 Received: (qmail 96321 invoked from network); 4 Jan 2004 00:25:35 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 4 Jan 2004 00:25:35 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Acw5G-000Owr-Uw for dave@picks.force9.co.uk; Sun, 04 Jan 2004 00:25:35 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Acw5A-00055q-2P for rs_out@blacksheep.org; Sun, 04 Jan 2004 00:25:28 +0000 Received: from [194.73.73.148] (helo=zinc.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Acw59-00055h-DA for rsgb_lf_group@blacksheep.org; Sun, 04 Jan 2004 00:25:27 +0000 Received: from [213.122.138.133] (helo=Main) by zinc.btinternet.com with smtp (Exim 3.22 #25) id 1Acw58-0004GM-00 for rsgb_lf_group@blacksheep.org; Sun, 04 Jan 2004 00:25:26 +0000 X-Bad-Message-ID: no DNS (Main) Message-ID: <004101c3d259$5e0f7720$6507a8c0@Main> From: "Alan Melia" To: rsgb_lf_group@blacksheep.org References: <9d.43019cc8.2d28aeed@aol.com> Date: Sun, 4 Jan 2004 00:26:08 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: TA beaconing Sat/Sun 23:20 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi Markus all seen here with the loop N-S (!!) though DJ2LF is very weak. I think I caught a dash from peter close to your dash freq earlier. I am afraid conditions may be going down now as we have had a couple of days with Kp=5 which will start to affect condx for the next few days. Hopefully we will avoid it tonight but Laurence does see the effects ealier than we do at lower latitudes Good Luck all, Cheers de Alan G3NYK alan.melia@btinternet.com ----- Original Message ----- From: To: Sent: 03 January 2004 23:49 Subject: LF: TA beaconing Sat/Sun 23:20 Hi LF group, at 23:20 UT, the following stations were seen on air: 135923.45/.55 CT1DRP dfcw 60s ~-3dBľV/m 135922.50/.70 DK1IS dfcw 150s 36dBľV/m 135922.2/.3 DF6NM dfcw 60+20s (starting 23:40, 0.1Hz lower than yesterday) 135921.93 PA0SE qrss 120s ~13dBľV/m 135921.52 SM6BHZ qrss 60s 18dBľV/m 135920.86 DJ8WX qrss 30s ~10dBľV/m 135919.75 DJ2LF qrss 60s 42dBľV/m Happy watching! 73 de Markus, DF6NM ---------------------------------------------------------------------------- ---- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 24036 invoked from network); 22 Jan 2004 20:39:48 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by mailstore with SMTP; 22 Jan 2004 20:39:49 -0000 Received: (qmail 34770 invoked from network); 22 Jan 2004 20:39:47 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 22 Jan 2004 20:39:44 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Ajlc8-0008vG-7U for dave@picks.force9.co.uk; Thu, 22 Jan 2004 20:39:44 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ajlbo-0000Gx-1I for rs_out@blacksheep.org; Thu, 22 Jan 2004 20:39:24 +0000 Received: from [165.212.11.111] (helo=cmsrelay02.mx.net) by post.thorcom.com with smtp (Exim 4.14) id 1Ajlbk-0000GM-Gn for rsgb_lf_group@blacksheep.org; Thu, 22 Jan 2004 20:39:20 +0000 Received: from uadvg137.cms.usa.net (165.212.11.137) by cmsoutbound.mx.net with SMTP; 22 Jan 2004 20:38:48 -0000 Received: from usa.net [151.41.132.168] by uadvg137.cms.usa.net (ASMTP/dibene@usa.net) via mtad (C8.MAIN.3.11E) with ESMTP id 123iaVuMt0418M37; Thu, 22 Jan 2004 20:38:45 GMT X-USANET-Auth: 151.41.132.168 AUTH dibene@usa.net usa.net Message-ID: <401034D9.7050609@usa.net> Date: Thu, 22 Jan 2004 21:38:49 +0100 From: "Alberto di Bene" User-Agent: Mozilla/5.0 (Windows; U; Win98; en-US; rv:1.4) Gecko/20030624 Netscape/7.1 (ax) X-Accept-Language: en-us, en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <000c01c3e02e$600a21a0$01eafc3e@l8p8y6> <001501c3e058$ba617980$2102000a@ibm> <002501c3e121$12a54fe0$2102000a@ibm> In-reply-to: <002501c3e121$12a54fe0$2102000a@ibm> Subject: LF: Re: 136kHz project cancelled Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.8 required=5.0 tests=FAKE_HELO_USA_NET autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Dick wrote: > VFO worked perfect but the 10-diveder just wouldn't work!!!! > I spend hours and hours to get it running, tried several different IC's > (I expected speed problems etc) all with no result......... > 1.37MHz in ......NOTHING out................ Have you checked the waveform produced by the oscillator ? With 4000 series CMOS you need almost rail-to-rail driving signals. May be a 74HCT... would have been more suitable. 73 Alberto I2PHD From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 67354 invoked from network); 15 Jan 2004 14:40:51 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 15 Jan 2004 14:40:51 -0000 Received: (qmail 28778 invoked from network); 15 Jan 2004 14:40:51 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 15 Jan 2004 14:40:49 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Ah8fx-0007JB-6b for dave@picks.force9.co.uk; Thu, 15 Jan 2004 14:40:49 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ah8fe-0004a5-0j for rs_out@blacksheep.org; Thu, 15 Jan 2004 14:40:30 +0000 Received: from [165.212.11.110] (helo=cmsrelay01.mx.net) by post.thorcom.com with smtp (Exim 4.14) id 1Ah8fa-0004ZZ-F0 for rsgb_lf_group@blacksheep.org; Thu, 15 Jan 2004 14:40:26 +0000 Received: from cmsapps02.cms.usa.net (165.212.11.138) by cmsoutbound.mx.net with SMTP; 15 Jan 2004 14:39:54 -0000 Received: from usa.net [151.37.47.30] by cmsapps02.cms.usa.net (ASMTP/dibene@usa.net) via mtad (C8.MAIN.3.11E) with ESMTP id 161iaoonz0498M38; Thu, 15 Jan 2004 14:39:51 GMT X-USANET-Auth: 151.37.47.30 AUTH dibene@usa.net usa.net Message-ID: <4006A641.1070809@usa.net> Date: Thu, 15 Jan 2004 15:40:01 +0100 From: "Alberto di Bene" User-Agent: Mozilla/5.0 (Windows; U; Win98; en-US; rv:1.4) Gecko/20030624 Netscape/7.1 (ax) X-Accept-Language: en-us, en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <014d01c3dac6$cd3aabe0$f89a8418@Peter> <4005E8D7.7000301@mindspring.com> <008301c3db50$4b377c60$b3c428c3@captbrian> In-reply-to: <008301c3db50$4b377c60$b3c428c3@captbrian> Subject: Re: LF: Re: lf andnoise and offshore. Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.8 required=5.0 tests=FAKE_HELO_USA_NET autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 captbrian wrote: >Franks interesting bit about reception in NC refers to 770khz - a long way >from 136 - which in turn is a long way from the navy/submarine freqs. >(anyone know what the navy freqs. are ? ) > > > From the site of Renato Romero ( http://www.vlf.it/submarine/sbmarine.html ) : ---- Signals directed to atomic submarines in immersion. USA and Russia transmit in the ELF band generating a slow binary code. Frequencies are 76 Hz for the U.S. system and 82 Hz in the Russian system; the E.R.P. (Effective Radiated Power) is small, probably a few Watts, but signals are receivable around the world. ---- Note : they are 76 and 82 Hertz, not kilohertz... 73 Alberto I2PHD From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 75574 invoked from network); 12 Jan 2004 21:12:10 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 12 Jan 2004 21:12:10 -0000 Received: (qmail 69311 invoked from network); 12 Jan 2004 21:12:09 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 12 Jan 2004 21:12:08 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Ag9M0-000HuE-CR for dave@picks.force9.co.uk; Mon, 12 Jan 2004 21:12:08 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ag9Ld-0000xc-CM for rs_out@blacksheep.org; Mon, 12 Jan 2004 21:11:45 +0000 Received: from [165.212.11.110] (helo=cmsrelay01.mx.net) by post.thorcom.com with smtp (Exim 4.14) id 1Ag9La-0000xS-9L for rsgb_lf_group@blacksheep.org; Mon, 12 Jan 2004 21:11:42 +0000 Received: from uadvg137.cms.usa.net (165.212.11.137) by cmsoutbound.mx.net with SMTP; 12 Jan 2004 21:11:07 -0000 Received: from usa.net [151.37.45.49] by uadvg137.cms.usa.net (ASMTP/dibene@usa.net) via mtad (C8.MAIN.3.11E) with ESMTP id 251iaLVLB0468M37; Mon, 12 Jan 2004 21:11:01 GMT X-USANET-Auth: 151.37.45.49 AUTH dibene@usa.net usa.net Message-ID: <40030D6A.1020701@usa.net> Date: Mon, 12 Jan 2004 22:11:06 +0100 From: "Alberto di Bene" User-Agent: Mozilla/5.0 (Windows; U; Win98; en-US; rv:1.4) Gecko/20030624 Netscape/7.1 (ax) X-Accept-Language: en-us, en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <01C3D92A.2561B500.g4jnt@thersgb.net> <4002E5A0.7010902@usa.net> <006a01c3d941$3dadae40$6800a8c0@athlon> In-reply-to: <006a01c3d941$3dadae40$6800a8c0@athlon> Subject: LF: Re: Timing GPS Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.8 required=5.0 tests=FAKE_HELO_USA_NET autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Dave Brown wrote: >Just a 'heads-up' for those interested in the topic of GPS DOs-(Disciplined >Oscillators) > as so far there hasn't been much publicity about this avenue of >attack-other than in the EME crowd. > >http://gref.cfn.ist.utl.pt/cupido/reflock.html > > > I had seen in the past those pages, and they are quite interesting indeed. From my purely personal perspective however, I find myself much more at my ease in programming i.e. an AVR AT90S4433 or a PIC than an ALTERA device EPM3064ATC44-4, but I am sure for someone else the contrary is true. 73 Alberto I2PHD From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 64936 invoked from network); 12 Jan 2004 18:22:21 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 12 Jan 2004 18:22:21 -0000 Received: (qmail 24000 invoked from network); 12 Jan 2004 18:22:21 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 12 Jan 2004 18:22:19 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Ag6hf-000680-Kt for dave@picks.force9.co.uk; Mon, 12 Jan 2004 18:22:19 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ag6hI-0005da-6F for rs_out@blacksheep.org; Mon, 12 Jan 2004 18:21:56 +0000 Received: from [165.212.11.112] (helo=cmsrelay03.mx.net) by post.thorcom.com with smtp (Exim 4.14) id 1Ag6hE-0005dR-Ja for rsgb_lf_group@blacksheep.org; Mon, 12 Jan 2004 18:21:52 +0000 Received: from cmsapps02.cms.usa.net (165.212.11.138) by cmsoutbound.mx.net with SMTP; 12 Jan 2004 18:21:19 -0000 Received: from usa.net [151.37.45.49] by cmsapps02.cms.usa.net (ASMTP/dibene@usa.net) via mtad (C8.MAIN.3.11E) with ESMTP id 662iaLsVq0080M38; Mon, 12 Jan 2004 18:21:16 GMT X-USANET-Auth: 151.37.45.49 AUTH dibene@usa.net usa.net Message-ID: <4002E5A0.7010902@usa.net> Date: Mon, 12 Jan 2004 19:21:20 +0100 From: "Alberto di Bene" User-Agent: Mozilla/5.0 (Windows; U; Win98; en-US; rv:1.4) Gecko/20030624 Netscape/7.1 (ax) X-Accept-Language: en-us, en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <01C3D92A.2561B500.g4jnt@thersgb.net> In-reply-to: <01C3D92A.2561B500.g4jnt@thersgb.net> Subject: LF: Timing GPS Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.8 required=5.0 tests=FAKE_HELO_USA_NET autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Andy talbot wrote: >I've been doing a lot with GPS recently (for professional purposes, not for >play) and currently have access to five different types of GPS module - all low >the cost ones. > Andy, for a purely timing application (disciplining of an ovenized xtal), which brand and model would you suggest, among the low-cost ones ? I am not interested in what comes out from the serial port, just the jitter and precision of the 1pps signal. TNX. 73 Alberto I2PHD From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 16289 invoked from network); 10 Jan 2004 00:41:07 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 10 Jan 2004 00:41:07 -0000 Received: (qmail 95513 invoked from network); 10 Jan 2004 00:41:06 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 10 Jan 2004 00:41:05 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Af7BZ-000Oji-Mf for dave@picks.force9.co.uk; Sat, 10 Jan 2004 00:41:05 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Af7BE-0002Sz-GL for rs_out@blacksheep.org; Sat, 10 Jan 2004 00:40:44 +0000 Received: from [165.212.11.110] (helo=cmsrelay01.mx.net) by post.thorcom.com with smtp (Exim 4.14) id 1Af7BB-0002Sq-4l for rsgb_lf_group@blacksheep.org; Sat, 10 Jan 2004 00:40:41 +0000 Received: from cmsapps02.cms.usa.net (165.212.11.138) by cmsoutbound.mx.net with SMTP; 10 Jan 2004 00:40:09 -0000 Received: from usa.net [151.37.44.69] by cmsapps02.cms.usa.net (ASMTP/dibene@usa.net) via mtad (C8.MAIN.3.11E) with ESMTP id 452iaJaOg0191M38; Sat, 10 Jan 2004 00:40:07 GMT X-USANET-Auth: 151.37.44.69 AUTH dibene@usa.net usa.net Message-ID: <3FFF49E6.1060506@usa.net> Date: Sat, 10 Jan 2004 01:40:06 +0100 From: "Alberto di Bene" User-Agent: Mozilla/5.0 (Windows; U; Win98; en-US; rv:1.4) Gecko/20030624 Netscape/7.1 (ax) X-Accept-Language: en-us, en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <000401c3d6da$7c2b8f70$fce8c593@rsch15> In-reply-to: <000401c3d6da$7c2b8f70$fce8c593@rsch15> Subject: LF: RE: SDRadio Version 0.93 available Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.8 required=5.0 tests=FAKE_HELO_USA_NET autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Dear Jim, with Windows there are three main interfaces to the sound subsystem, two of them builtin into the opsys itself, and the third produced by a third part. This latter is called ASIO and is produced by Steinberg : http://www.steinberg.net/de/index.php The two Windows-native are the Windows MultiMedia Extensions (WMME) and the DirectX, each with its pros and cons. All my sound card programs use the WMME interface (though I am considering some porting to the ASIO). So, for an USB sound card to be able to be used with one of my programs what is needed is a driver that presents a WMME interface to the application layer. As I don't have an USB card, I cannot tell for sure if the accompanying drivers do implement such an interface. Maybe someone that has e.g. an Creative Audigy/2 card can comment on this. My feeling is that it should work, as the WMME is used by too many programs to be left unsupported by a sound card, but on the other end I have learnt the hard way that different persons can (and do) have different perspectives on what is or is not logical... especially when marketing is one of the factors at stake :-( 73 Alberto I2PHD --------------------------------------------------------- James Moritz wrote: >Dear Alberto, LF Group, > >Looking at sound cards, I see that external USB modules claiming rather >good specifications seem to be coming available quite cheaply. Is it >possible to use these USB soundcards with SDRadio and the other DSP >programs? Having the sound card in a module external from the PC is >attractive because it should be easier to isolate the audio input from >the generally noisy things going on inside the PC case - I find that >electrical noise from the PC seems to be the limiting factor on SNR >with the sound card I use at the moment. > >Cheers, Jim Moritz >73 de M0BMU > > > > > >. > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 16371 invoked from network); 9 Jan 2004 17:34:57 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 9 Jan 2004 17:34:57 -0000 Received: (qmail 79729 invoked from network); 9 Jan 2004 17:34:57 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 9 Jan 2004 17:34:56 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Af0X9-000Kcl-N3 for dave@picks.force9.co.uk; Fri, 09 Jan 2004 17:34:56 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Af0VL-0003kL-N2 for rs_out@blacksheep.org; Fri, 09 Jan 2004 17:33:03 +0000 Received: from [165.212.11.112] (helo=cmsrelay03.mx.net) by post.thorcom.com with smtp (Exim 4.14) id 1Af0VG-0003kB-Cb for rsgb_lf_group@blacksheep.org; Fri, 09 Jan 2004 17:32:59 +0000 Received: from cmsapps02.cms.usa.net (165.212.11.138) by cmsoutbound.mx.net with SMTP; 9 Jan 2004 17:32:28 -0000 Received: from usa.net [151.37.56.246] by cmsapps02.cms.usa.net (ASMTP/dibene@usa.net) via mtad (C8.MAIN.3.11E) with ESMTP id 092iaiRGZ0206M38; Fri, 09 Jan 2004 17:32:26 GMT X-USANET-Auth: 151.37.56.246 AUTH dibene@usa.net usa.net Message-ID: <3FFEE5A3.5040802@usa.net> Date: Fri, 09 Jan 2004 18:32:19 +0100 From: "Alberto di Bene" User-Agent: Mozilla/5.0 (Windows; U; Win98; en-US; rv:1.4) Gecko/20030624 Netscape/7.1 (ax) X-Accept-Language: en-us, en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org, lowfer@mailman.qth.net References: <000d01c3d06e$8aa2a240$4a407ad5@rogersservices> <004701c3d085$a3b0b300$e22965d5@oemcomputer> <3FF4A164.30408@usa.net> In-reply-to: <3FF4A164.30408@usa.net> Subject: LF: SDRadio Version 0.93 available Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.8 required=5.0 tests=FAKE_HELO_USA_NET autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 I have just uploaded Version 0.93 of SDRadio to http://www.sdradio.org What's new: 1) The FM demodulator has been implemented (thanks Barry Dieser) 2) A fractional delay routine has been implemented to cope with sound cards that exhibit a fixed time skew between the left and right channels 3) If the PC has more than one sound card, you can now choose which to use. 4) Minor tune up and bug fixes Please report malfunctions, errors, etc. Enjoy 73 Alberto I2PHD From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 876 invoked from network); 5 Jan 2004 18:14:52 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 5 Jan 2004 18:14:52 -0000 Received: (qmail 93532 invoked from network); 5 Jan 2004 18:14:51 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 5 Jan 2004 18:14:50 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AdZFa-000ODr-Mo for dave@picks.force9.co.uk; Mon, 05 Jan 2004 18:14:50 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdZFK-0001w6-OM for rs_out@blacksheep.org; Mon, 05 Jan 2004 18:14:34 +0000 Received: from [165.212.11.110] (helo=cmsrelay01.mx.net) by post.thorcom.com with smtp (Exim 4.14) id 1AdZFH-0001vw-08 for rsgb_lf_group@blacksheep.org; Mon, 05 Jan 2004 18:14:31 +0000 Received: from uadvg129.cms.usa.net (165.212.11.129) by cmsoutbound.mx.net with SMTP; 5 Jan 2004 18:14:07 -0000 Received: from usa.net [151.37.48.12] by uadvg129.cms.usa.net (ASMTP/dibene@usa.net) via mtad (C8.MAIN.3.11E) with ESMTP id 366iaesoe0005M29; Mon, 05 Jan 2004 18:14:04 GMT X-USANET-Auth: 151.37.48.12 AUTH dibene@usa.net usa.net Message-ID: <3FF9A976.6040406@usa.net> Date: Mon, 05 Jan 2004 19:14:14 +0100 From: "Alberto di Bene" User-Agent: Mozilla/5.0 (Windows; U; Win98; en-US; rv:1.4) Gecko/20030624 Netscape/7.1 (ax) X-Accept-Language: en-us, en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <3DBE97B2.8080008@usa.net> <3FF7B16D.252841ED@otenet.gr> In-reply-to: <3FF7B16D.252841ED@otenet.gr> Subject: Re: LF: New audio card Content-Type: text/plain; charset=ISO-8859-7; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.8 required=5.0 tests=FAKE_HELO_USA_NET autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Alex Deligiannis wrote: >Hi > > My new receiver on VLF is the Audigy2. ZS 24 bit/96khz recording with 108 >dB SNR >frequency response 10 hz to 48 khz very nice toy > >73's Alex > > Very good Alex, now you need some software (plug, plug :-) Have a look at http://www.sdradio.org Version 0.92 is on the wrapping table, almost ready to be uploaded. 73 Alberto I2PHD From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 55085 invoked from network); 1 Jan 2004 22:40:13 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 1 Jan 2004 22:40:13 -0000 Received: (qmail 45951 invoked from network); 1 Jan 2004 22:40:13 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 1 Jan 2004 22:40:05 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AcBU5-000Bif-5d for dave@picks.force9.co.uk; Thu, 01 Jan 2004 22:40:05 +0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AcBT5-0002xP-RA for rs_out@blacksheep.org; Thu, 01 Jan 2004 22:39:03 +0000 Received: from [165.212.11.111] (helo=cmsrelay02.mx.net) by post.thorcom.com with smtp (Exim 4.14) id 1AcBT2-0002x7-3F for rsgb_lf_group@blacksheep.org; Thu, 01 Jan 2004 22:39:00 +0000 X-Fake-Domain: cmsapps01.cms.usa.net Received: from cmsapps01.cms.usa.net (165.212.11.136) by cmsoutbound.mx.net with SMTP; 1 Jan 2004 22:38:28 -0000 Received: from usa.net [151.37.33.14] by cmsapps01.cms.usa.net (ASMTP/dibene@usa.net) via mtad (C8.MAIN.3.11E) with ESMTP id 682iaawMy0346M36; Thu, 01 Jan 2004 22:38:24 GMT X-USANET-Auth: 151.37.33.14 AUTH dibene@usa.net usa.net Message-ID: <3FF4A164.30408@usa.net> Date: Thu, 01 Jan 2004 23:38:28 +0100 From: "Alberto di Bene" User-Agent: Mozilla/5.0 (Windows; U; Win98; en-US; rv:1.4) Gecko/20030624 Netscape/7.1 (ax) X-Accept-Language: en-us, en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <000d01c3d06e$8aa2a240$4a407ad5@rogersservices> <004701c3d085$a3b0b300$e22965d5@oemcomputer> In-reply-to: <004701c3d085$a3b0b300$e22965d5@oemcomputer> Subject: LF: Re: Improving the signal quality Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.8 required=5.0 tests=FAKE_HELO_USA_NET autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Johan Bodin wrote: >Gentlemen, you must see this: > >http://www.j-walk.com/other/wifispray/ > >Do you think it will work on LF too? :o) > > > Hi Johan, I don't know for LF, but that product has been thoroughly tested with the EH antenna, and malignant insiders report that it is key to the claimed success of that contraption ! A Peaceful New Year 2004 to everybody 73 Alberto I2PHD From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 74526 invoked from network); 5 Jan 2004 05:39:05 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 5 Jan 2004 05:39:05 -0000 Received: (qmail 490 invoked from network); 5 Jan 2004 05:39:04 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 5 Jan 2004 05:39:03 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AdNSB-000Pzz-OH for dave@picks.force9.co.uk; Mon, 05 Jan 2004 05:39:03 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdNRb-0006Yk-2L for rs_out@blacksheep.org; Mon, 05 Jan 2004 05:38:27 +0000 Received: from [195.170.0.8] (helo=thalia.otenet.gr) by post.thorcom.com with esmtp (Exim 4.14) id 1AdNRa-0006Yb-4M for rsgb_lf_group@blacksheep.org; Mon, 05 Jan 2004 05:38:26 +0000 X-Fake-Domain: otenet.gr Received: from otenet.gr (myti530-a058.otenet.gr [212.205.251.186]) by thalia.otenet.gr (8.12.10/8.12.10) with ESMTP id i055cMPH017506 for ; Mon, 5 Jan 2004 07:38:24 +0200 (EET) Message-ID: <3FF7B16D.252841ED@otenet.gr> Date: Sun, 04 Jan 2004 08:23:42 +0200 From: "Alex Deligiannis" X-Mailer: Mozilla 4.75 [en] (Win95; U) X-Accept-Language: en,el MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <3DBE97B2.8080008@usa.net> Subject: Re: LF: New audio card Content-Type: text/plain; charset=iso-8859-7; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.4 required=5.0 tests=DATE_IN_PAST_12_24 autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Hi My new receiver on VLF is the Audigy2. ZS 24 bit/96khz recording with 108 dB SNR frequency response 10 hz to 48 khz very nice toy 73's Alex Alberto di Bene wrote: > Creative has recently announced a new sound card, with 106 dB S/N ratio, > 192 kHz stereo sampling, 24 bit resolution. Together with the Pentium CPU > it could represent a good last IF stage. > The era of SDR (Software Defined Radio) is approaching... > > http://www.soundblaster.com/products/audigy2/ > > 73 Alberto I2PHD From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 33885 invoked from network); 18 Jan 2004 09:07:56 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 18 Jan 2004 09:07:56 -0000 Received: (qmail 99673 invoked from network); 18 Jan 2004 09:07:56 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 18 Jan 2004 09:07:50 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Ai8uM-000PoJ-Pn for dave@picks.force9.co.uk; Sun, 18 Jan 2004 09:07:50 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ai8u3-0007ox-QU for rs_out@blacksheep.org; Sun, 18 Jan 2004 09:07:31 +0000 Received: from [195.22.0.25] (helo=magneto.esoterica.pt) by post.thorcom.com with esmtp (Exim 4.14) id 1Ai8u1-0007oo-4P for rsgb_lf_group@blacksheep.org; Sun, 18 Jan 2004 09:07:29 +0000 X-Fake-Domain: slave_9.esoterica.pt Received: from slave_9.esoterica.pt (adsl-norte02-1-79.vianw.pt [80.172.144.79]) by magneto.esoterica.pt (8.12.10/8.12.10) with ESMTP id i0I97SZR016798 for ; Sun, 18 Jan 2004 09:07:28 GMT Message-ID: <5.2.0.9.2.20040118085643.00b81a18@pop.vianw.pt> X-Sender: nx4ywv@pop.vianw.pt X-Mailer: QUALCOMM Windows Eudora Version 5.2.0.9 Date: Sun, 18 Jan 2004 09:07:28 +0000 To: rsgb_lf_group@blacksheep.org From: "Brian Rogerson" In-reply-to: <000201c3dd9b$950359c0$fe79a8c0@PCVONWALTER> MIME-Version: 1.0 Subject: Re: LF: Busy band Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_20_30,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit
Hi Ed

"6LA" seen a couple of times, best around 03:30, on135922.6Hz 60second dot.
Unfortunately the other characters are broken and fade in and out.  Well done
and many thanks.  Argogram available if you want it.

No other signals seen on the 20second Argogram.

73, Brian CT1DRP



At 08:02 18/01/2004, you wrote:
Good morning to All,
 saw yesterday evening / night:
OH5UFO,   G3YXM,   RU6LA (called him, no response ), DK7FC, DL3FDO, S57A,
SP5ZCC (called him, but no response ), F6BWO.
This morning RU6LA.
73   Walter DJ2LF
  

From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 53384 invoked from network); 4 Jan 2004 01:47:52 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 4 Jan 2004 01:47:52 -0000 Received: (qmail 53226 invoked from network); 4 Jan 2004 01:47:52 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 4 Jan 2004 01:47:47 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AcxMp-000DjJ-1C for dave@picks.force9.co.uk; Sun, 04 Jan 2004 01:47:47 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AcxMS-0006S5-Pa for rs_out@blacksheep.org; Sun, 04 Jan 2004 01:47:24 +0000 Received: from [195.22.0.25] (helo=magneto.esoterica.pt) by post.thorcom.com with esmtp (Exim 4.14) id 1AcxMR-0006Rw-Vv for rsgb_lf_group@blacksheep.org; Sun, 04 Jan 2004 01:47:24 +0000 X-Fake-Domain: slave_9.esoterica.pt Received: from slave_9.esoterica.pt (adsl-norte02-1-138.vianw.pt [80.172.144.138]) by magneto.esoterica.pt (8.12.10/8.12.10) with ESMTP id i041lNWt015846 for ; Sun, 4 Jan 2004 01:47:23 GMT Message-ID: <5.2.0.9.2.20040104014313.00b2d1d0@pop.vianw.pt> X-Sender: nx4ywv@pop.vianw.pt X-Mailer: QUALCOMM Windows Eudora Version 5.2.0.9 Date: Sun, 04 Jan 2004 01:47:22 +0000 To: rsgb_lf_group@blacksheep.org From: "Brian Rogerson" In-reply-to: <115.2d4f82ef.2d28b6b3@aol.com> MIME-Version: 1.0 Subject: Re: LF: Re: TA beaconing Sat/Sun Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit Many thanks for the information Markus and Jay

My "gap" reception is on

http://homepage.esoterica.pt/~brian/ArgoGrab/Argo_grab.htm

Good luck to all, 73, Brian CT1DRP



At 00:22 04/01/2004, you wrote:
Dear Jay and all,

I informed Walter DJ2LF of the possible problem, and he decided to move up to 135921.723, in the middle between PA0SE and SM6BHZ. The list at 00:10 is

135923.45/.55  CT1DRP dfcw 60s  ~-3dBľV/m
135922.50/.70  DK1IS dfcw 150s  36dBľV/m
135922.2/.3  DF6NM dfcw 60+20s
135921.93  PA0SE qrss 120s  ~13dBľV/m
135921.73  DJ2LF qrss 60s  42dBľV/m
135921.52  SM6BHZ  qrss 60s  18dBľV/m
135920.86  DJ8WX qrss 30s  ~10dBľV/m

73 de Markus

In einer eMail vom 04.01.2004 00:02:03 Westeuropäische Normalzeit schreibt JRusgrove@comcast.net:

One of the frequencies you listed 135919.76 is pretty close to a loran
line at 135919.732 which is currently visible here.


From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 57353 invoked from network); 21 Jan 2004 21:17:21 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 21 Jan 2004 21:17:21 -0000 Received: (qmail 33286 invoked from network); 21 Jan 2004 21:17:20 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 21 Jan 2004 21:17:19 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AjPix-0008Xc-C8 for dave@picks.force9.co.uk; Wed, 21 Jan 2004 21:17:19 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AjPib-0007W2-By for rs_out@blacksheep.org; Wed, 21 Jan 2004 21:16:57 +0000 Received: from [212.135.6.11] (helo=smarthost1.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AjPia-0007Vt-Sb for rsgb_lf_group@blacksheep.org; Wed, 21 Jan 2004 21:16:56 +0000 Received: from tnt-1-7.easynet.co.uk ([195.40.206.7] helo=captbrian) by smarthost1.mail.uk.easynet.net with smtp (Exim 4.10) id 1AjPiY-000Mqc-00 for rsgb_lf_group@blacksheep.org; Wed, 21 Jan 2004 21:16:54 +0000 X-Bad-Message-ID: no DNS (captbrian) Message-ID: <005801c3e063$e71e1b80$30ce28c3@captbrian> From: "captbrian" To: rsgb_lf_group@blacksheep.org References: <001301c3dfbe$cc459b80$6507a8c0@Main> <000401c3e064$6b151100$0e1686d4@erica> Date: Wed, 21 Jan 2004 21:14:42 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Re: LF Marconi Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Or rather, said to have been heard ;-) bryan ----- Original Message ----- From: "g3ldo" To: Sent: 21 January 2004 21:20 Subject: LF: Re: LF Marconi > > Watched an excellent program on BBC2 TV tonight. A dramatic reconstruction > of the first radio signals across the Atlantic by Marconi and his team. > Technical details very good - the guys at the transmitting end had cotton > wool in their ears to protect them from the noise caused by the arcs! > A lot of problems at the receive end. The kite supporting the antenna was at > 500ft and several kites were wreaked before the esential three dots were > heard. > > Peter, G3LDO > > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 68224 invoked from network); 19 Jan 2004 22:08:37 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 19 Jan 2004 22:08:37 -0000 Received: (qmail 52288 invoked from network); 19 Jan 2004 22:08:37 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 19 Jan 2004 22:08:36 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AihZU-000DUS-At for dave@picks.force9.co.uk; Mon, 19 Jan 2004 22:08:36 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AihZR-0004Xr-2I for rs_out@blacksheep.org; Mon, 19 Jan 2004 22:08:33 +0000 Received: from [212.135.6.14] (helo=smarthost4.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AihZQ-0004Xh-Gh for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 22:08:32 +0000 Received: from tnt-2-252.easynet.co.uk ([195.40.196.252] helo=captbrian) by smarthost4.mail.uk.easynet.net with smtp (Exim 4.10) id 1AihZP-0006g2-00 for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 22:08:31 +0000 X-Bad-Message-ID: no DNS (captbrian) Message-ID: <00d301c3ded8$c8fafce0$ece086d4@captbrian> From: "captbrian" To: rsgb_lf_group@blacksheep.org References: <005a01c3deb7$1c764400$fe79a8c0@PCVONWALTER> Date: Mon, 19 Jan 2004 20:51:14 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Re: RE: Re: AC feeder... Content-Type: text/plain; charset=ISO-8859-2; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Find large lumps of core material and insert in the chokes?? Bryan ----- Original Message ----- From: "Walter Staubach" To: Sent: 19 January 2004 18:07 Subject: LF: Re: RE: Re: AC feeder... And what about tuning the MW-choke with parallel-C to 136KHz? Walter -----Ursprüngliche Nachricht----- Von: Gasparik Richard An: 'rsgb_lf_group@blacksheep.org' Datum: Montag, 19. Januar 2004 18:02 Betreff: LF: RE: Re: AC feeder... >Yes, this is idea. But there are lights and they can't be switched off >(there are not fuses, fuser are 500m away on the TX site...hi). > >Rich > >-----Original Message----- >From: Alan Melia [mailto:Alan.Melia@btinternet.com] >Sent: Monday, January 19, 2004 5:01 PM >To: rsgb_lf_group@blacksheep.org >Subject: LF: Re: AC feeder... > > >Hi Rich, it may be right off and impossible ( I am not a BC engineer !! or a >power engineer) But would it be possible to put a capacitor in parallel with >the light-feed chokes to parallel tune them to nearer 136kHz and increase >their impedance to that frequency ?? Flames accepted if that is a silly >idea. !! It would need to be a high voltage rated cap of course. > >Cheers de Alan G3NYK >alan.melia@btinternet.com > >----- Original Message ----- >From: "Gasparik Richard" >To: "Rsgb_Lf_Group (E-mail)" >Sent: 19 January 2004 15:36 >Subject: LF: AC feeder... > > >> Here is the feeding of AC through the RF line...inside the feeder....very >> well coupling... >> >> Rich OM2TW >> <> >> > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 79371 invoked from network); 15 Jan 2004 10:14:30 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 15 Jan 2004 10:14:30 -0000 Received: (qmail 21986 invoked from network); 15 Jan 2004 10:14:30 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 15 Jan 2004 10:14:29 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Ah4WC-0005bV-Tz for dave@picks.force9.co.uk; Thu, 15 Jan 2004 10:14:29 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ah4Vj-0008GX-1F for rs_out@blacksheep.org; Thu, 15 Jan 2004 10:13:59 +0000 Received: from [212.135.6.14] (helo=smarthost4.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Ah4Vi-0008GN-Fk for rsgb_lf_group@blacksheep.org; Thu, 15 Jan 2004 10:13:58 +0000 Received: from tnt-2-179.easynet.co.uk ([195.40.196.179] helo=captbrian) by smarthost4.mail.uk.easynet.net with smtp (Exim 4.10) id 1Ah4Vb-000GXl-00 for rsgb_lf_group@blacksheep.org; Thu, 15 Jan 2004 10:13:52 +0000 X-Bad-Message-ID: no DNS (captbrian) Message-ID: <008301c3db50$4b377c60$b3c428c3@captbrian> From: "captbrian" To: rsgb_lf_group@blacksheep.org References: <014d01c3dac6$cd3aabe0$f89a8418@Peter> <4005E8D7.7000301@mindspring.com> Date: Thu, 15 Jan 2004 10:13:14 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: Re: lf andnoise and offshore. Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Aren't we being a bit imprecise here? LF sigs are used by submarines submerged because the sea is transparent at lower frequencies. If that is so then there is no (less) reflection at the surface the presence of which is detrimental. Franks interesting bit about reception in NC refers to 770khz - a long way from 136 - which in turn is a long way from the navy/submarine freqs. (anyone know what the navy freqs. are ? ) What works at 770 may not apply at 136. as we know from day/night MW broadcasts I have done plenty of amateur /MM operating from small sail-boats from 10m to 80 . Making a low resistance connection to the sea is not that simple and I could waste a lot of the lists time on the subject, but I certainly have far better results from simple vertical wire antennas than ever on land. does anyone know what happens to lf radio waves transitting the sea/air interface either from under or above ?? Bryan G3GVB - AC4UA ----- Original Message ----- From: "Frank Gentges" To: Sent: 15 January 2004 01:11 Subject: Re: LF: Re: lf andnoise and offshore. > Peter, > > AMRAD conducted several winter trips to the Outer Banks of North > Carolina to listen to LF signals in the days before transatlantic > amateur signals were common. The Outer Banks are a long narrow strip of > land several miles offshore from the North Carolina mainland. We > observed LF broadcast signals and compared to what we were seeing at > sites more inland were stronger. We attributed this signal difference > to sea gain and would put its value at 10 or more dB in the few cases we > observed although we did not make careful measurements. > > The ITU has put together a model for radio propagation and includes a > factor for sea gain. It only works out to be worth a couple of dB in > the test cases we ran. I think the ITU model does not recognize the > amount of sea gain that is available from moving to the sea coast for > the really best conditions at least below 200 kHz.. I am convinced it > is there and is significant. > > Also the noise was low but we could find quiet sites inland and we just > could not hear the Transatlantic signals nearly as well inland. > > I speculate that the LF waves are combining. > and adding in phase due to the long wavelength, at the sea water > interface and traveling in as surface waves stronger than the low angle > sky waves that created them.. Similar to glints or mirages we see > optically. We can hear other surface waves at 770 > kHz on the Outer Banks from New York City duirng the day and night. We > cannot hear them much past a mile inland as the land kills the surface > wave propagation. While we did not conduct a similar experimant on LF I > suspect they would also fade down to the sky wave strength if we went > inland. > > Frank K0BRA > > Peter van Daalen wrote: > > >Sorry, > > > >I made a most ennoying typo : > > > >I wrote : > > > >snip..... > >" Does sea again ( if any at all ? ) and low man made and evironment noise > >add > >substantially to the LF performance ? " > >snip..... > > > > > >While I meant to write : > > > >" Does seagain ( if any at all ? ) and etc... add substantially to LF > >performance ? " > > > >I do know something on sea gain on 144 Mhz ( for /MM EME purpose on moonrise > >and moonset ) but I am unaware of the seagain effects on LF. > > > > > > > > > > > > > > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 41614 invoked from network); 7 Jan 2004 10:39:40 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 7 Jan 2004 10:39:40 -0000 Received: (qmail 51644 invoked from network); 7 Jan 2004 10:39:40 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 7 Jan 2004 10:39:39 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AeB6B-000DK6-3q for dave@picks.force9.co.uk; Wed, 07 Jan 2004 10:39:39 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AeB5n-00050L-Ma for rs_out@blacksheep.org; Wed, 07 Jan 2004 10:39:15 +0000 Received: from [212.135.6.13] (helo=smarthost3.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AeB5n-00050C-7A for rsgb_lf_group@blacksheep.org; Wed, 07 Jan 2004 10:39:15 +0000 Received: from tnt-2-45.easynet.co.uk ([195.40.196.45] helo=captbrian) by smarthost3.mail.uk.easynet.net with smtp (Exim 4.10) id 1AeB5l-000IjO-00 for rsgb_lf_group@blacksheep.org; Wed, 07 Jan 2004 10:39:14 +0000 X-Bad-Message-ID: no DNS (captbrian) Message-ID: <000f01c3d50a$86427f40$2dc428c3@captbrian> From: "captbrian" To: rsgb_lf_group@blacksheep.org References: <000201c3d2f3$c4fb5f40$61e4fc3e@l8p8y6> <6.0.1.1.2.20031229161651.027e8660@POP3.freeler.nl> <000001c3d009$acf7a620$c7e47f50@Smisan> <6.0.1.1.2.20040103121138.0280f960@POP3.freeler.nl> <000601c3d2c3$2bd34e70$b733f7c2@johnb5a82ea1a4> <6.0.1.1.2.20040104163146.027efbe0@POP3.freeler.nl> <000201c3d2f3$c4fb5f40$61e4fc3e@l8p8y6> <5.1.0.14.0.20040106090928.03a8c2a0@u0019445.kuleuven.be> <5.1.0.14.0.20040106114939.03b15778@u0019445.kuleuven.be> <5.1.0.14.0.20040107110518.03a51aa0@u0019445.kuleuven.be> Date: Wed, 7 Jan 2004 10:39:25 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: Horizontally polarised radiation Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Good looking radio ham would like to meet NZ girl with Gully. Aim friendship and possibly marriage. Please reply sending photograph of the Gully. Bryan ----- Original Message ----- From: "Rik Strobbe" To: Sent: 07 January 2004 10:08 Subject: Re: LF: Horizontally polarised radiation > Dave, > > Thanks for the info. > Where did Bruce order the gully ? I'm interested in one to enhance my LF > signal. > > 73, Rik ON7YD > > > At 21:55 7/01/2004 +1300, you wrote: > >Rik > >The ZL1WB LF antenna is strung across a gully and has between 300 and 600 > >feet ground clearance. Support to support distance is around 1km but there > >is quite a bit of sag, as you might expect-hence the ~3500 foot wire length. > >(sorry for mixing units-it's probably a sign of age!) It's fed at one end > >against ground and Bruce typically uses 40 watts or so of RF-he has a very > >good LF signal around ZL, as you might expect. > >73 > > Dave, ZL3FJ > > > >----- Original Message ----- > >From: "Rik Strobbe" > >To: > >Sent: Tuesday, January 06, 2004 11:51 PM > >Subject: Re: LF: Horizontally polarised radiation > > > > > > > Hello Dave, > > > > > > Quite impressive. > > > Can you give us a clue about the dimensions ? > > > Ever thought of making a triangular shaped loop ? > > > > > > 73, Rik ON7YD > > > > > > At 23:29 6/01/2004 +1300, you wrote: > > > >Have a look at the URL below to see a semi-decent horizontal LF > >ntenna - > > > >that of Bruce, ZL1WB. Whatever its predominant radiating mode is, it > >works > > > >rather well! > > > > > > > >73, > > > >ZL3FJ > > > > > > > > http://homepages.ihug.co.nz/~tractorb/ZL1WB%20LF%20ANTENNA.jpg > > > > > > > > > > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 2693 invoked from network); 6 Jan 2004 19:26:42 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 6 Jan 2004 19:26:42 -0000 Received: (qmail 44411 invoked from network); 6 Jan 2004 19:26:42 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 6 Jan 2004 19:26:41 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Adwqf-000BRM-GH for dave@picks.force9.co.uk; Tue, 06 Jan 2004 19:26:41 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdwqO-0000PA-SY for rs_out@blacksheep.org; Tue, 06 Jan 2004 19:26:24 +0000 Received: from [212.135.6.10] (helo=smarthost0.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AdwqO-0000P1-FL for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2004 19:26:24 +0000 Received: from tnt-2-55.easynet.co.uk ([195.40.196.55] helo=captbrian) by smarthost0.mail.uk.easynet.net with smtp (Exim 4.10) id 1AdwqN-000BKm-00 for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2004 19:26:23 +0000 X-Bad-Message-ID: no DNS (captbrian) Message-ID: <011f01c3d48b$01167ee0$6ec428c3@captbrian> From: "captbrian" To: rsgb_lf_group@blacksheep.org References: <3FFABF62.CF749613@att.net> Date: Tue, 6 Jan 2004 19:18:06 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: TA report 2004.01.06 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Are there any CW beacons to listen for [ as opposed to looking for at qrss] Bryan ----- Original Message ----- From: "Dexter McIntyre W4DEX" To: "RSGB LF" Sent: 06 January 2004 14:00 Subject: LF: TA report 2004.01.06 > Two TA signals seen here overnight, CT1DRP and G3LDO. Brian's signal > was blurred, at first I though by noise. But when Peter's signal was > there it was clear. We seen this blurring on Argo displayed MF and HF > signals which is thought to be multipath. Comments? > > Captures posted at: > > http://w4dex.com/argo/135khz/06jan04/ > > Dex, w4dex > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 85239 invoked from network); 6 Jan 2004 19:26:41 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 6 Jan 2004 19:26:41 -0000 Received: (qmail 5671 invoked from network); 6 Jan 2004 19:26:41 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 6 Jan 2004 19:26:40 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Adwqe-0001MY-IM for dave@picks.force9.co.uk; Tue, 06 Jan 2004 19:26:40 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdwqM-0000Ov-Kw for rs_out@blacksheep.org; Tue, 06 Jan 2004 19:26:22 +0000 Received: from [212.135.6.10] (helo=smarthost0.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AdwqM-0000Om-6u for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2004 19:26:22 +0000 Received: from tnt-2-55.easynet.co.uk ([195.40.196.55] helo=captbrian) by smarthost0.mail.uk.easynet.net with smtp (Exim 4.10) id 1AdwqK-000BKm-00 for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2004 19:26:21 +0000 X-Bad-Message-ID: no DNS (captbrian) Message-ID: <011e01c3d48a$ffa6c240$6ec428c3@captbrian> From: "captbrian" To: rsgb_lf_group@blacksheep.org References: <000201c3d2f3$c4fb5f40$61e4fc3e@l8p8y6> <6.0.1.1.2.20031229161651.027e8660@POP3.freeler.nl> <000001c3d009$acf7a620$c7e47f50@Smisan> <6.0.1.1.2.20040103121138.0280f960@POP3.freeler.nl> <000601c3d2c3$2bd34e70$b733f7c2@johnb5a82ea1a4> <6.0.1.1.2.20040104163146.027efbe0@POP3.freeler.nl> <000201c3d2f3$c4fb5f40$61e4fc3e@l8p8y6> <5.1.0.14.0.20040106090928.03a8c2a0@u0019445.kuleuven.be> <001401c3d45a$7fb4b400$55e4fc3e@l8p8y6> Date: Tue, 6 Jan 2004 19:15:35 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: Horizontally polarised radiation Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 The DDDR is simply a quarter-wave grounded vertical with its major part bent over into a horizontal loop. The fact that it is looped back on itself is intended to have some self-cancelling effect on the radiation from the horizontal part. By design most radiation is from the short vertical part so radiation resistance is low and it has gamma matching for feeding from 50 ohm coax. Nothing magic about it but its usual proportions for HF are still impossible for amateur 136 . (how would one keep the loop up ? ) Bryan g3gvb ----- Original Message ----- From: "hamilton mal" To: Sent: 06 January 2004 13:25 Subject: Re: LF: Horizontally polarised radiation ----- Original Message ----- From: Rik Strobbe To: rsgb_lf_group@blacksheep.org Sent: Tuesday, January 06, 2004 8:16 AM Subject: Re: LF: Horizontally polarised radiation Hello group, It is an "idée fixe" that a horizontal wire must radiate a horizontal polarized EM-wave. A nice example of a mechanical horizontal construction that radiates a vertical polarized signal is the DDRR antenna. So a large horizontal topload close to ground will in most cases improve the antenna efficiency (reduce the loss resistance ... footprint theory) but the radiated signal will be nevertheless mainly vertical polarized. 73, Rik ON7YD At 17:47 5/01/2004 +0100, you wrote: Rik I agree with your observations. Some are being misled by computer modelling and antenna theory not applicable to the type of small LF antennas used by radio amateurs. 73 de Mal/G3KEV From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 12167 invoked from network); 3 Jan 2004 17:21:59 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 3 Jan 2004 17:21:59 -0000 Received: (qmail 49047 invoked from network); 3 Jan 2004 17:21:59 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 3 Jan 2004 17:21:57 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AcpTJ-000CYw-7g for dave@picks.force9.co.uk; Sat, 03 Jan 2004 17:21:57 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AcpT3-0007oe-2F for rs_out@blacksheep.org; Sat, 03 Jan 2004 17:21:41 +0000 Received: from [212.135.6.11] (helo=smarthost1.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AcpT2-0007oV-Jz for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 17:21:40 +0000 Received: from tnt-5-3.easynet.co.uk ([195.40.200.3] helo=captbrian) by smarthost1.mail.uk.easynet.net with smtp (Exim 4.10) id 1AcpT1-000FEo-00 for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 17:21:39 +0000 X-Bad-Message-ID: no DNS (captbrian) Message-ID: <006401c3d21e$16191420$03c828c3@captbrian> From: "captbrian" To: rsgb_lf_group@blacksheep.org References: <6.0.1.1.2.20031229161651.027e8660@POP3.freeler.nl> <000001c3d009$acf7a620$c7e47f50@Smisan> <6.0.1.1.2.20040103121138.0280f960@POP3.freeler.nl> Date: Sat, 3 Jan 2004 17:09:49 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: Re: "T" versus "L"aerial Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Then the simulation must surely be wrong.! I spent a long time reading a 160/80 m antenna book by ON4 ?? before realising that the performance of various antenna configurations confidently reported as if they actually existed, were in fact only the result of computer simulations. We must beware of believing implicitly the result of a computer-simulated result which flies in the face of all reason. That you can get vertically radiated horizontally polarised radiation for _nothing_ using the simulation program has to tell you something about its limitations . Both the book and the programs are very good indicators but not _absolute truths_ Bryan G3GVB ----- Original Message ----- From: "Dick Rollema" To: Sent: 03 January 2004 11:30 Subject: RE: LF: Re: "T" versus "L"aerial > > > Bu the point raised by Bob, ZL2CA, was that the current in the single wire > topload of the "L" would generate a horizontally polarised field. In the > "T" the currents in the two topload wires flow in opposite directions so > the horizontally polarised fields caused by these currents would at least > partially cancel each other. > The horizontally polarised field is radiated as a sky wave and the power in > it detracts from that in the vertically polarised field of the ground wave. > If the above reasoning were correct it could be expected that the "T" would > produce a stronger ground wave than the "L" because less power disappears > in the horizontally polarised sky wave. > ****The simulation has shown that this is not the case.**** > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 70149 invoked from network); 1 Jan 2004 07:22:46 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 1 Jan 2004 07:22:46 -0000 Received: (qmail 40847 invoked from network); 1 Jan 2004 07:22:46 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 1 Jan 2004 07:22:45 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AbxAL-000AVz-Eb for dave@picks.force9.co.uk; Thu, 01 Jan 2004 07:22:45 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Abx9a-0008DW-TN for rs_out@blacksheep.org; Thu, 01 Jan 2004 07:21:58 +0000 Received: from [212.135.6.11] (helo=smarthost1.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Abx9a-0008DN-Bf for rsgb_lf_group@blacksheep.org; Thu, 01 Jan 2004 07:21:58 +0000 Received: from tnt-21-177.easynet.co.uk ([212.134.228.177] helo=bryan2) by smarthost1.mail.uk.easynet.net with smtp (Exim 4.10) id 1Abx9Y-0001C3-00 for rsgb_lf_group@blacksheep.org; Thu, 01 Jan 2004 07:21:57 +0000 X-Bad-Message-ID: no DNS (bryan2) Message-ID: <001f01c3d037$ca6b1560$b1e486d4@bryan2> From: "captbrian" To: rsgb_lf_group@blacksheep.org References: <000001c3d009$acf7a620$c7e47f50@Smisan> Date: Thu, 1 Jan 2004 07:20:50 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: Re: "T" versus "L"aerial Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 If two 20m wires are better than one 40m one for the same total lenght of wire , Does this mean that four horizontal legs of 10 m would be even better ? and so eight of 5m or sixteen of only 2.5m better still ? How about 64 X 625mm ? or...... just a disc of foil 1000mm dia.? Perhaps there is an optimum number of horizontal wires? If just a 1000mm disc then why not have one at the bottom instead of earth? Why does the name Hateley come to mind ? ;-) Bryan Bryan G3GVB ----- Original Message ----- From: "M. Sanders" To: Sent: 01 January 2004 01:50 Subject: RE: LF: Re: "T" versus "L"aerial > Dear Dick / Bob and Lofers, > > Does the computer calculate the earth losses in the return path from the > aerial system to the transmitter? If it would then the earth losses in a > T should have been significantly less then the L alternative. There are > two separate return currents > (parallel resistance) and each with a smaler physical length (lower > R-earth) in a T system resulting in more ERP if compared to an L > system. > > Greetings and best wishes for a (LF) radio-active 2004 to All. > > Mike, PC4M (ex PA3BSH) > > -----Oorspronkelijk bericht----- > Van: owner-rsgb_lf_group@blacksheep.org > [mailto:owner-rsgb_lf_group@blacksheep.org] Namens Dick Rollema > Verzonden: maandag 29 december 2003 16:37 > Aan: rsgb_lf_group@blacksheep.org > Onderwerp: Re: LF: Re: "T" versus "L"aerial > > To All from PA0SE > > Bob, ZL2AC wrote: > > > > > Dick PA0SE, > > Fine on the test result. As you stated, the tested T has twice the > amount of top loading wire (2x 20 metres) than the L (1x 20 metres). > > It would be interesting to know if a T is better than an L for constant > length top loading i.e. what the difference is if the upwire joins at > the end or the middle of the horizontal top wire (theory suggests the T > is better as there is minimal horizontally polarised component). > > Bob, I cannot answer your question by a practical experiment but used > computer simulation instead by means of K6STI's program Antenna > Optimizer. > > I modeled two antennas with a vertical element of 20m. One an Inverted > L-antenna with a horizontal top load wire of 40m. The other a T-antenna > with a top load of 2 x 20m. > Both antennas without losses, over perfect ground and fed with 1kW. > > At a distance of 10km (so well outside the near field region) and over > perfect ground both antennas produced a vertically polarised field of > 29.9mV/m. The horizontally polarised field was zero; but this is to be > expected because over a perfect conducting ground a horizontal field > component cannot exist. > > 73, Dick, PA0SE > > Original message: > > > > To: LF-Group > Sent: Sunday, December 28, 2003 3:09 AM > Subject: LF: "T" versus "L"aerial > To All from PA0SE > Further to my e-mail of 26 December I measured the field strength as > radiated by the aerial in > Inverted L-configuration. From this I found EMRP = 57 milliwatt. > This confirms the benificial effect of top loading. The T-aerial > radiated 140 milliwatt. > So going from a single 20m top load wire for the "L" to 2 x 20m for the > "T" resulted in an improvement by a factor 2.46 (3.9dB) in radiated > power. > The vertical part of the "T" consisted of an open wire feedline of 11m > with the two wires connected in parallel in the attic shack. For the "L" > one of the feedline wires was removed. I assume this did not appreciably > affect the EMRP. > 73, Dick, PA0SE > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 39950 invoked from network); 12 Jan 2004 19:22:14 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 12 Jan 2004 19:22:14 -0000 Received: (qmail 31880 invoked from network); 12 Jan 2004 19:22:13 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 12 Jan 2004 19:22:11 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Ag7db-00089i-N9 for dave@picks.force9.co.uk; Mon, 12 Jan 2004 19:22:11 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ag7cv-00071Y-Vk for rs_out@blacksheep.org; Mon, 12 Jan 2004 19:21:29 +0000 Received: from [203.109.254.42] (helo=grunt2.ihug.co.nz) by post.thorcom.com with esmtp (Exim 4.14) id 1Ag7cr-00071P-5l for rsgb_lf_group@blacksheep.org; Mon, 12 Jan 2004 19:21:25 +0000 Received: from 203-118-166-89.adsl.ihug.co.nz (athlon) [203.118.166.89] by grunt2.ihug.co.nz with smtp (Exim 3.35 #1 (Debian)) id 1Ag7cm-0004C8-00; Tue, 13 Jan 2004 08:21:21 +1300 X-Bad-Message-ID: no DNS (athlon) Message-ID: <006a01c3d941$3dadae40$6800a8c0@athlon> From: "Dave Brown" To: rsgb_lf_group@blacksheep.org References: <01C3D92A.2561B500.g4jnt@thersgb.net> <4002E5A0.7010902@usa.net> Date: Tue, 13 Jan 2004 08:21:12 +1300 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Timing GPS Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Just a 'heads-up' for those interested in the topic of GPS DOs-(Disciplined Oscillators) as so far there hasn't been much publicity about this avenue of attack-other than in the EME crowd. http://gref.cfn.ist.utl.pt/cupido/reflock.html 73 Dave, ZL3FJ ----- Original Message ----- From: "Alberto di Bene" To: Sent: Tuesday, January 13, 2004 7:21 AM Subject: LF: Timing GPS > Andy talbot wrote: > > >I've been doing a lot with GPS recently (for professional purposes, not for > >play) and currently have access to five different types of GPS module - all low > >the cost ones. > > > > Andy, > for a purely timing application (disciplining of an ovenized xtal), > which brand and > model would you suggest, among the low-cost ones ? I am not interested > in what comes > out from the serial port, just the jitter and precision of the 1pps > signal. TNX. > > 73 Alberto I2PHD > > > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 47511 invoked from network); 7 Jan 2004 11:21:23 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 7 Jan 2004 11:21:23 -0000 Received: (qmail 12652 invoked from network); 7 Jan 2004 11:21:23 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 7 Jan 2004 11:21:22 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AeBkY-0003AP-1x for dave@picks.force9.co.uk; Wed, 07 Jan 2004 11:21:22 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AeBk5-0005cu-Ug for rs_out@blacksheep.org; Wed, 07 Jan 2004 11:20:53 +0000 Received: from [203.109.254.52] (helo=grunt10.ihug.co.nz) by post.thorcom.com with esmtp (Exim 4.14) id 1AeBk4-0005ci-Qp for rsgb_lf_group@blacksheep.org; Wed, 07 Jan 2004 11:20:53 +0000 Received: from 203-118-166-89.adsl.ihug.co.nz (athlon) [203.118.166.89] by grunt10.ihug.co.nz with smtp (Exim 3.35 #1 (Debian)) id 1AeBjz-0005Wt-00; Thu, 08 Jan 2004 00:20:47 +1300 X-Bad-Message-ID: no DNS (athlon) Message-ID: <005c01c3d50f$ffc62fb0$6800a8c0@athlon> From: "Dave Brown" To: rsgb_lf_group@blacksheep.org Cc: "Bruce ZL1WB Rowlings" References: <000201c3d2f3$c4fb5f40$61e4fc3e@l8p8y6> <6.0.1.1.2.20031229161651.027e8660@POP3.freeler.nl> <000001c3d009$acf7a620$c7e47f50@Smisan> <6.0.1.1.2.20040103121138.0280f960@POP3.freeler.nl> <000601c3d2c3$2bd34e70$b733f7c2@johnb5a82ea1a4> <6.0.1.1.2.20040104163146.027efbe0@POP3.freeler.nl> <000201c3d2f3$c4fb5f40$61e4fc3e@l8p8y6> <5.1.0.14.0.20040106090928.03a8c2a0@u0019445.kuleuven.be> <5.1.0.14.0.20040106114939.03b15778@u0019445.kuleuven.be> <5.1.0.14.0.20040107110518.03a51aa0@u0019445.kuleuven.be> <000f01c3d50a$86427f40$2dc428c3@captbrian> Date: Thu, 8 Jan 2004 00:18:38 +1300 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: Horizontally polarised radiation Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Too late-all the good looking ones are spoken for!!(or too far out of town) Dave ZL3FJ (begin stage whisper) "Bruce- Go get all those other good looking gullys quick- we should be able to make a killing on Ebay with 'em." (end stage whisper) ----- Original Message ----- From: "captbrian" To: Sent: Wednesday, January 07, 2004 11:39 PM Subject: Re: LF: Horizontally polarised radiation > Good looking radio ham would like to meet NZ girl with Gully. Aim friendship > and possibly marriage. Please reply sending photograph of the Gully. > > > Bryan > ----- Original Message ----- > From: "Rik Strobbe" > To: > Sent: 07 January 2004 10:08 > Subject: Re: LF: Horizontally polarised radiation > > > > Dave, > > > > Thanks for the info. > > Where did Bruce order the gully ? I'm interested in one to enhance my LF > > signal. > > > > 73, Rik ON7YD From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 96194 invoked from network); 7 Jan 2004 08:58:21 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 7 Jan 2004 08:58:21 -0000 Received: (qmail 48967 invoked from network); 7 Jan 2004 08:58:21 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 7 Jan 2004 08:58:19 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Ae9W7-000Ccm-DX for dave@picks.force9.co.uk; Wed, 07 Jan 2004 08:58:19 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ae9Vn-0003KQ-SS for rs_out@blacksheep.org; Wed, 07 Jan 2004 08:57:59 +0000 Received: from [203.109.254.51] (helo=grunt9.ihug.co.nz) by post.thorcom.com with esmtp (Exim 4.14) id 1Ae9Vl-0003KH-Qa for rsgb_lf_group@blacksheep.org; Wed, 07 Jan 2004 08:57:58 +0000 Received: from 203-118-166-89.adsl.ihug.co.nz (athlon) [203.118.166.89] by grunt9.ihug.co.nz with smtp (Exim 3.35 #1 (Debian)) id 1Ae9Vf-0007ym-00; Wed, 07 Jan 2004 21:57:51 +1300 X-Bad-Message-ID: no DNS (athlon) Message-ID: <001501c3d4fc$10a34b10$6800a8c0@athlon> From: "Dave Brown" To: rsgb_lf_group@blacksheep.org References: <000201c3d2f3$c4fb5f40$61e4fc3e@l8p8y6> <6.0.1.1.2.20031229161651.027e8660@POP3.freeler.nl> <000001c3d009$acf7a620$c7e47f50@Smisan> <6.0.1.1.2.20040103121138.0280f960@POP3.freeler.nl> <000601c3d2c3$2bd34e70$b733f7c2@johnb5a82ea1a4> <6.0.1.1.2.20040104163146.027efbe0@POP3.freeler.nl> <000201c3d2f3$c4fb5f40$61e4fc3e@l8p8y6> <5.1.0.14.0.20040106090928.03a8c2a0@u0019445.kuleuven.be> <5.1.0.14.0.20040106114939.03b15778@u0019445.kuleuven.be> Date: Wed, 7 Jan 2004 21:55:56 +1300 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: Horizontally polarised radiation Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Rik The ZL1WB LF antenna is strung across a gully and has between 300 and 600 feet ground clearance. Support to support distance is around 1km but there is quite a bit of sag, as you might expect-hence the ~3500 foot wire length. (sorry for mixing units-it's probably a sign of age!) It's fed at one end against ground and Bruce typically uses 40 watts or so of RF-he has a very good LF signal around ZL, as you might expect. 73 Dave, ZL3FJ ----- Original Message ----- From: "Rik Strobbe" To: Sent: Tuesday, January 06, 2004 11:51 PM Subject: Re: LF: Horizontally polarised radiation > Hello Dave, > > Quite impressive. > Can you give us a clue about the dimensions ? > Ever thought of making a triangular shaped loop ? > > 73, Rik ON7YD > > At 23:29 6/01/2004 +1300, you wrote: > >Have a look at the URL below to see a semi-decent horizontal LF ntenna - > >that of Bruce, ZL1WB. Whatever its predominant radiating mode is, it works > >rather well! > > > >73, > >ZL3FJ > > > > http://homepages.ihug.co.nz/~tractorb/ZL1WB%20LF%20ANTENNA.jpg > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 99512 invoked from network); 6 Jan 2004 10:32:10 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 6 Jan 2004 10:32:10 -0000 Received: (qmail 9346 invoked from network); 6 Jan 2004 10:32:10 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 6 Jan 2004 10:32:08 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AdoVL-0002JY-Ua for dave@picks.force9.co.uk; Tue, 06 Jan 2004 10:32:08 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdoUP-0008Kd-JK for rs_out@blacksheep.org; Tue, 06 Jan 2004 10:31:09 +0000 Received: from [203.109.254.56] (helo=grunt12.ihug.co.nz) by post.thorcom.com with esmtp (Exim 4.14) id 1AdoUO-0008KU-50 for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2004 10:31:08 +0000 Received: from 203-118-166-89.adsl.ihug.co.nz (athlon) [203.118.166.89] by grunt12.ihug.co.nz with smtp (Exim 3.35 #1 (Debian)) id 1AdoUH-0007Sq-00; Tue, 06 Jan 2004 23:31:01 +1300 X-Bad-Message-ID: no DNS (athlon) Message-ID: <0eac01c3d43f$f1643410$6800a8c0@athlon> From: "Dave Brown" To: rsgb_lf_group@blacksheep.org Cc: "Bruce ZL1WB Rowlings" References: <000201c3d2f3$c4fb5f40$61e4fc3e@l8p8y6> <6.0.1.1.2.20031229161651.027e8660@POP3.freeler.nl> <000001c3d009$acf7a620$c7e47f50@Smisan> <6.0.1.1.2.20040103121138.0280f960@POP3.freeler.nl> <000601c3d2c3$2bd34e70$b733f7c2@johnb5a82ea1a4> <6.0.1.1.2.20040104163146.027efbe0@POP3.freeler.nl> <000201c3d2f3$c4fb5f40$61e4fc3e@l8p8y6> <5.1.0.14.0.20040106090928.03a8c2a0@u0019445.kuleuven.be> Date: Tue, 6 Jan 2004 23:29:18 +1300 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: Horizontally polarised radiation Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Have a look at the URL below to see a semi-decent horizontal LF antenna - that of Bruce, ZL1WB. Whatever its predominant radiating mode is, it works rather well! 73, ZL3FJ http://homepages.ihug.co.nz/~tractorb/ZL1WB%20LF%20ANTENNA.jpg From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 94029 invoked from network); 31 Jan 2004 09:36:19 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 31 Jan 2004 09:36:19 -0000 Received: (qmail 2284 invoked from network); 31 Jan 2004 09:36:19 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 31 Jan 2004 09:36:18 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim 4.30; FreeBSD) id 1AmrY2-0000TZ-0Y for dave@picks.force9.co.uk; Sat, 31 Jan 2004 09:36:18 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AmrX8-0007vh-GU for rs_out@blacksheep.org; Sat, 31 Jan 2004 09:35:22 +0000 Received: from [194.73.73.81] (helo=tungsten.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AmrX8-0007vY-33 for rsgb_lf_group@blacksheep.org; Sat, 31 Jan 2004 09:35:22 +0000 Received: from [81.129.45.61] (helo=dellboy) by tungsten.btinternet.com with smtp (Exim 3.22 #25) id 1AmrX7-00073O-00 for rsgb_lf_group@blacksheep.org; Sat, 31 Jan 2004 09:35:21 +0000 X-Bad-Message-ID: no DNS (dellboy) Message-ID: <001701c3e7dd$dd699a20$1f00a8c0@dellboy> From: "Dave Pick" To: rsgb_lf_group@blacksheep.org References: <6.0.1.1.2.20040129133740.036bcc40@POP3.freeler.nl> <1AmbdK-1Oy81Z0@fwd03.sul.t-online.com> Date: Sat, 31 Jan 2004 09:37:38 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Zobel Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Uwe I had the same problem with QRSS and have decreased the capacitor to 2.2nF. This still keeps the worst spikes under control when the PA is properly loaded and has proved reliable. It all depends on the construction of your output transformer of course. 73 Dave G3YXM. ----- Original Message ----- From: "jannsen" <0482183881-0001@t-online.de> To: Sent: Friday, January 30, 2004 4:36 PM Subject: LF: Zobel > Hi Dave/G3YXM and group, > > the Zobel Network 22 Ohm / 4,7nF in my G3YXM PA gets very hot if driving > the PA in 1kW mode; much hotter than the toroid T2 (output transformer)gets. > I changed the five Watt resistor with a 20 Watt, it gets hot too; with the > cooling fan off the resistor desolders itself. > > I think that`s a good sign of the correct dimension: 22 Ohm / 4,7nF means > the open reactive load (T2 and surroundings) oscillates at calculated > 1,539MHz; measured 1,776MHz. > > But what a heavy loss! > > My question: > Is there no other possibility eliminating the instability of that output > system ? > > Regards > Uwe / dj8wx > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 17170 invoked from network); 25 Jan 2004 22:07:12 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 25 Jan 2004 22:07:12 -0000 Received: (qmail 25291 invoked from network); 25 Jan 2004 22:07:12 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 25 Jan 2004 22:07:11 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AksPP-0006T7-7s for dave@picks.force9.co.uk; Sun, 25 Jan 2004 22:07:11 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AksOM-0003k2-0M for rs_out@blacksheep.org; Sun, 25 Jan 2004 22:06:06 +0000 Received: from [194.73.73.81] (helo=tungsten.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AksOL-0003jt-CZ for rsgb_lf_group@blacksheep.org; Sun, 25 Jan 2004 22:06:05 +0000 Received: from [81.129.10.146] (helo=dellboy) by tungsten.btinternet.com with smtp (Exim 3.22 #25) id 1AksOL-0006Ec-00 for rsgb_lf_group@blacksheep.org; Sun, 25 Jan 2004 22:06:05 +0000 X-Bad-Message-ID: no DNS (dellboy) Message-ID: <000801c3e38f$bbec4d40$1f00a8c0@dellboy> From: "Dave Pick" To: rsgb_lf_group@blacksheep.org References: <005401c3e2ad$3d2d3ba0$6507a8c0@Main> Date: Sun, 25 Jan 2004 22:08:16 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Running on 2 legs Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 I doubt whether we'll see anything tonight... the screen looks devoid of any Loran lines, usually a bad sign and topband has collapsed completely. What's going on Alan? The grabber is on just in case. Dave G3YXM ----- Original Message ----- > Dear LF Group, > > After trudging up the hill with snow shoes and my axe, > convincing three trees to relinqish one of the 100 metre > wires comprising my LF aerial and reconnecting everything, > the aerial is back to its orginal form. > > Despite the poor conditions, the sigs were received well at > Brian's CT1DRP grabber this morning around 0700UTC. > > The TX will be on again tonight/tomorrow morning on 137.777 kHz > QRSS30. > > On another note, one should avoid aerial work during blizzards. > This morning, I found the experience quite electrifying as > a result of precip. static using me as an earth connection. > > Joe VO1NA > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 79556 invoked from network); 20 Jan 2004 21:12:53 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 20 Jan 2004 21:12:53 -0000 Received: (qmail 66802 invoked from network); 20 Jan 2004 21:12:52 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 20 Jan 2004 21:12:51 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Aj3B5-000HGH-JI for dave@picks.force9.co.uk; Tue, 20 Jan 2004 21:12:51 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Aj3AJ-0005IM-RJ for rs_out@blacksheep.org; Tue, 20 Jan 2004 21:12:03 +0000 Received: from [194.73.73.148] (helo=zinc.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Aj3AJ-0005ID-BA for rsgb_lf_group@blacksheep.org; Tue, 20 Jan 2004 21:12:03 +0000 Received: from [81.129.84.225] (helo=dellboy) by zinc.btinternet.com with smtp (Exim 3.22 #25) id 1Aj3AI-00042L-00 for rsgb_lf_group@blacksheep.org; Tue, 20 Jan 2004 21:12:03 +0000 X-Bad-Message-ID: no DNS (dellboy) Message-ID: <000801c3df9a$5c2852d0$1f00a8c0@dellboy> From: "Dave Pick" To: rsgb_lf_group@blacksheep.org References: <1074543877.400c3d051a334@webmail2.kuleuven.be> <00a901c3ded7$9c359cc0$2102000a@ibm> <003e01c3dee6$1f03e860$6507a8c0@Main> Date: Tue, 20 Jan 2004 21:14:12 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Re: Where to get TC44... and MUR1660?? Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.1 required=5.0 tests=MAILTO_TO_SPAM_ADDR autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Or even this: http://international1.farnell.com/NL/Welcome/welcome-frame-unregistered.jhtml Type TC4426 into the search box and there are three options two surface mount and one DIL at ?3,17 Dave G3YXM. ----- Original Message ----- From: "Alan Melia" To: Sent: Monday, January 19, 2004 11:44 PM Subject: LF: Re: Where to get TC44... and MUR1660?? > Have you tried this one Dick. > http://www.xs4all.nl/~barendh/Indexeng.htm > Cheers de Alan G3NYK > alan.melia@btinternet.com > > ----- Original Message ----- > From: "Dick" > To: > Sent: 19 January 2004 21:59 > Subject: LF: Where to get TC44... and MUR1660?? > > > > Hello all, > > > > I am wondering where I can get (one of) the following components: > > > > TC4421 > > TC4422 > > TC4426 > > MUR1660CT > > > > A google search didn't deliver a resonable result. > > I am looking for a store/firm in Holland or Germany, as this is > > the easiest way in case of ordering/paying. > > > > Any suggestions?? > > > > Meanwhile I started to build the first part for my 136kHz station: > > the 1370kHz VFO.......... > > The rest will be a lot of bits and pieces from various designs, likely > > resulting in a QRPP transmitter capable of producing 100Watt or so. > > > > 73 > > > > Dick, PA4VHF (JO32eh) > > > > > > > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 14034 invoked from network); 18 Jan 2004 16:45:24 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 18 Jan 2004 16:45:24 -0000 Received: (qmail 63390 invoked from network); 18 Jan 2004 16:45:24 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 18 Jan 2004 16:45:16 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AiG32-000GFM-1p for dave@picks.force9.co.uk; Sun, 18 Jan 2004 16:45:16 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AiG2L-0006up-J8 for rs_out@blacksheep.org; Sun, 18 Jan 2004 16:44:33 +0000 Received: from [194.73.73.111] (helo=gadolinium.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AiG2L-0006ug-42 for rsgb_lf_group@blacksheep.org; Sun, 18 Jan 2004 16:44:33 +0000 Received: from [81.129.13.191] (helo=dellboy) by gadolinium.btinternet.com with smtp (Exim 3.22 #25) id 1AiG2K-0003Xz-00 for rsgb_lf_group@blacksheep.org; Sun, 18 Jan 2004 16:44:32 +0000 X-Bad-Message-ID: no DNS (dellboy) Message-ID: <002201c3dde2$a59f3e10$1f00a8c0@dellboy> From: "Dave Pick" To: rsgb_lf_group@blacksheep.org References: <000a01c3ddb8$88a39a10$6400a8c0@SQ5BPMATHLON> Date: Sun, 18 Jan 2004 16:46:40 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: Busy band Content-Type: text/plain; charset=iso-8859-2; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 ----- Original Message ----- From: "Marek SQ5BPM" . > > Yesterday I've been calling CQ many times during the evening using both QRSS > 3s (137.715) and CW (136.700), only worked DL3FDO on QRSS in the end, Marek. Sorry I missed you, I did manage to work S57A, but the band didn't go quiet of QRM until about 2300 and then there seemed to be nobody on! I will keep looking on 137.7 to 137.75 and call if I see you. 73 Dave G3YXM From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 42603 invoked from network); 12 Jan 2004 14:01:47 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 12 Jan 2004 14:01:47 -0000 Received: (qmail 41935 invoked from network); 12 Jan 2004 14:01:47 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 12 Jan 2004 14:01:46 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Ag2dW-000AnS-0K for dave@picks.force9.co.uk; Mon, 12 Jan 2004 14:01:46 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ag2ct-00006O-1q for rs_out@blacksheep.org; Mon, 12 Jan 2004 14:01:07 +0000 Received: from [194.73.73.111] (helo=gadolinium.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Ag2cs-00006F-EF for rsgb_lf_group@blacksheep.org; Mon, 12 Jan 2004 14:01:06 +0000 Received: from [81.129.13.191] (helo=dellboy) by gadolinium.btinternet.com with smtp (Exim 3.22 #25) id 1Ag2cm-0002ph-00 for rsgb_lf_group@blacksheep.org; Mon, 12 Jan 2004 14:01:01 +0000 X-Bad-Message-ID: no DNS (dellboy) Message-ID: <004401c3d914$cdb10690$1f00a8c0@dellboy> From: "Dave Pick" To: rsgb_lf_group@blacksheep.org References: <007a01c3d870$20dd0bc0$0500a8c0@charter.net> <304614133.20040112111754@dx.ru> <002801c3d90b$b41134c0$0500a8c0@charter.net> Date: Mon, 12 Jan 2004 14:03:06 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Re: Re: First WOLF QSO! Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 John. How does this compare with the reuslts on QRSS60 which would probably have taken a similar time? Dave G3YXM. ----- Original Message ----- From: "John Andrews" To: Sent: Monday, January 12, 2004 12:57 PM Subject: LF: Re: Re: First WOLF QSO! > Ed, > > > US's Lowfers have saved wide experience in reception of very weak > > signals on LF - when already they will appear on 136 or 160-190kHz for > > longway 2-way QSO with high-grade ERP? > > The proposal for an amateur band was turned down in May, 2003. It would be > years before we could have another chance. There are already some > experimental (non-amateur) licenses in that range, and hopefully more will > be coming. > > > Whether who has made 2-way QSO on WOLF in Europe? > > I do not think that anyone else has done a 2-way QSO. The earlier activity > has all been with beacons. > > > When (date) Stewart KK7KA has made WOLF mode? > > Early in 2001, I think. K0LR was transmitting in February, 2001, and he was > the first in the U.S. > > John Andrews, W1TAG > > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 12342 invoked from network); 10 Jan 2004 00:20:17 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 10 Jan 2004 00:20:17 -0000 Received: (qmail 34888 invoked from network); 10 Jan 2004 00:20:16 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 10 Jan 2004 00:20:16 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Af6rQ-0008xt-1Z for dave@picks.force9.co.uk; Sat, 10 Jan 2004 00:20:16 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Af6r0-0002B8-NI for rs_out@blacksheep.org; Sat, 10 Jan 2004 00:19:50 +0000 Received: from [194.73.73.111] (helo=gadolinium.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Af6r0-0002Az-7s for rsgb_lf_group@blacksheep.org; Sat, 10 Jan 2004 00:19:50 +0000 Received: from [81.129.13.191] (helo=dellboy) by gadolinium.btinternet.com with smtp (Exim 3.22 #25) id 1Af6qz-0004pQ-00 for rsgb_lf_group@blacksheep.org; Sat, 10 Jan 2004 00:19:49 +0000 X-Bad-Message-ID: no DNS (dellboy) Message-ID: <001901c3d70f$bb6cd920$1f00a8c0@dellboy> From: "Dave Pick" To: rsgb_lf_group@blacksheep.org References: <000501c3d6ff$f059b000$1f00a8c0@dellboy> <000c01c3d701$fae72fa0$0500a8c0@charter.net> <000c01c3d704$a9ef9e40$1f00a8c0@dellboy> <001701c3d707$bb340f80$0500a8c0@charter.net> Date: Sat, 10 Jan 2004 00:21:45 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Re: Re: Re: TA tonight on 136 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Not looking good so far is it? A couple of others have joined see: http://www.wireless.org.uk/grab/ but there's nothing showing on John or Dex's Argo screens. I'll leave it on. Goodnight. Dave G3YXM. ----- Original Message ----- From: "John Andrews" To: Sent: Friday, January 09, 2004 11:24 PM Subject: LF: Re: Re: Re: TA tonight on 136 > Dave, > > Thanks for the info. Captures will be posted every 15 minutes at: > http://webpages.charter.net/w1tag/135-1.jpg > > John Andrews > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 26329 invoked from network); 9 Jan 2004 23:00:56 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 9 Jan 2004 23:00:56 -0000 Received: (qmail 61788 invoked from network); 9 Jan 2004 23:00:56 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 9 Jan 2004 23:00:55 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Af5cd-000Fxq-Qw for dave@picks.force9.co.uk; Fri, 09 Jan 2004 23:00:55 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Af5cJ-0000ow-RK for rs_out@blacksheep.org; Fri, 09 Jan 2004 23:00:35 +0000 Received: from [194.73.73.81] (helo=tungsten.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Af5cJ-0000on-7p for rsgb_lf_group@blacksheep.org; Fri, 09 Jan 2004 23:00:35 +0000 Received: from [81.129.13.191] (helo=dellboy) by tungsten.btinternet.com with smtp (Exim 3.22 #25) id 1Af5cI-0002eH-00 for rsgb_lf_group@blacksheep.org; Fri, 09 Jan 2004 23:00:34 +0000 X-Bad-Message-ID: no DNS (dellboy) Message-ID: <000c01c3d704$a9ef9e40$1f00a8c0@dellboy> From: "Dave Pick" To: rsgb_lf_group@blacksheep.org References: <000501c3d6ff$f059b000$1f00a8c0@dellboy> <000c01c3d701$fae72fa0$0500a8c0@charter.net> Date: Fri, 9 Jan 2004 23:02:32 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Re: TA tonight on 136 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 OK John. There are three stations active, me on .9233 sending "YXM" One on .9222 and one on .9218 both sending full calls (I think) These are relative measurements, I don't claim sub-Hz accuracy but we seemed to agree last night.... Cheers Dave G3YXM ----- Original Message ----- From: "John Andrews" To: Sent: Friday, January 09, 2004 10:43 PM Subject: LF: Re: T/A tonight on 136 > Dave, > > > Is anyone over there watching tonight, and if so, what do conditions look > > like? > > I will be watching 135.919 - 135.925 starting at 2300. Argo 30 second slow > screen. > > John Andrews > > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 63609 invoked from network); 9 Jan 2004 22:30:10 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 9 Jan 2004 22:30:10 -0000 Received: (qmail 65259 invoked from network); 9 Jan 2004 22:30:09 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 9 Jan 2004 22:30:09 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Af58q-000Gri-Iu for dave@picks.force9.co.uk; Fri, 09 Jan 2004 22:30:08 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Af55c-0000BB-IZ for rs_out@blacksheep.org; Fri, 09 Jan 2004 22:26:48 +0000 Received: from [194.73.73.81] (helo=tungsten.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Af55b-0000B2-E2 for rsgb_lf_group@blacksheep.org; Fri, 09 Jan 2004 22:26:47 +0000 Received: from [81.129.13.191] (helo=dellboy) by tungsten.btinternet.com with smtp (Exim 3.22 #25) id 1Af55Y-00054N-00 for rsgb_lf_group@blacksheep.org; Fri, 09 Jan 2004 22:26:44 +0000 X-Bad-Message-ID: no DNS (dellboy) Message-ID: <000501c3d6ff$f059b000$1f00a8c0@dellboy> From: "Dave Pick" To: "LF Group" Date: Fri, 9 Jan 2004 22:28:42 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: T/A tonight on 136 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Is anyone over there watching tonight, and if so, what do conditions look like? There are two Eu stations sending around 922 and I did try a QRO test on 923 and saw nothing back on Dex's live grab. It's early yet though! Dave G3YXM. From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 34902 invoked from network); 9 Jan 2004 12:39:39 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 9 Jan 2004 12:39:39 -0000 Received: (qmail 40099 invoked from network); 9 Jan 2004 12:39:39 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 9 Jan 2004 12:39:38 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AevvO-000ACV-6k for dave@picks.force9.co.uk; Fri, 09 Jan 2004 12:39:38 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Aevuv-0006Om-Jb for rs_out@blacksheep.org; Fri, 09 Jan 2004 12:39:09 +0000 Received: from [194.73.73.92] (helo=carbon.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Aevuv-0006Od-5z for rsgb_lf_group@blacksheep.org; Fri, 09 Jan 2004 12:39:09 +0000 Received: from [81.129.13.191] (helo=dellboy) by carbon.btinternet.com with smtp (Exim 3.22 #25) id 1Aevug-0000Wj-00 for rsgb_lf_group@blacksheep.org; Fri, 09 Jan 2004 12:38:54 +0000 X-Bad-Message-ID: no DNS (dellboy) Message-ID: <002101c3d6ad$d7079330$1f00a8c0@dellboy> From: "Dave Pick" To: rsgb_lf_group@blacksheep.org References: <3FFDD87C.F0EF0309@att.net> <3FFDDE47.C1107691@att.net> <006901c3d641$b90d70f0$1f00a8c0@dellboy> <005f01c3d659$8a589380$0500a8c0@charter.net> <000d01c3d689$77e9a3d0$1f00a8c0@dellboy> <000401c3d6a9$073c1120$0500a8c0@charter.net> Date: Fri, 9 Jan 2004 12:41:00 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: 183 kHz BC Q5 in NC at sunset! Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 John. Thanks for those, quite unambiguous, and my frequency calibration seems to agree with yours! There was someone on 922 at midnight but they went off and I didn't see anything from this side overnight in the gaps in my transmission. At that power level the TX is in no danger of meltdown so I can put it on any night that people are listening (looking?). Given that one of the big guns would probably have 15dB advantage on that signal it might be worth monitoring reception until a peak is seen then trying a CW call? Means staying up all night though! 73 Dave G3YXM. ----- Original Message ----- From: "John Andrews" To: Sent: Friday, January 09, 2004 12:06 PM Subject: Re: LF: 183 kHz BC Q5 in NC at sunset! > Dave, > > As it turned out, there were only two peaks that permitted any copy. > Unfortunately, I goofed and didn't capture all of the first peak. It did > show part of the "Y" and the complete "XM." Here is the section that WAS > saved: > http://webpages.charter.net/w1tag/files/YXM1.jpg > > A later capture on a 60 second screen again has the "XM": > http://webpages.charter.net/w1tag/files/YXM2.jpg > > This qualifies for nothing, but is interesting to illustrate the duration of > the peaks. No other signals were seen, though it looked like something was > happening on 135923.0 several times. > > John Andrews, W1TAG > > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 63963 invoked from network); 9 Jan 2004 08:19:10 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 9 Jan 2004 08:19:10 -0000 Received: (qmail 20012 invoked from network); 9 Jan 2004 08:19:10 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 9 Jan 2004 08:19:09 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AerrJ-00055r-1A for dave@picks.force9.co.uk; Fri, 09 Jan 2004 08:19:09 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Aerqe-00018g-U4 for rs_out@blacksheep.org; Fri, 09 Jan 2004 08:18:28 +0000 Received: from [194.73.73.92] (helo=carbon.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Aerqe-00018X-FQ for rsgb_lf_group@blacksheep.org; Fri, 09 Jan 2004 08:18:28 +0000 Received: from [81.129.13.191] (helo=dellboy) by carbon.btinternet.com with smtp (Exim 3.22 #25) id 1Aerqe-0005IV-00 for rsgb_lf_group@blacksheep.org; Fri, 09 Jan 2004 08:18:28 +0000 X-Bad-Message-ID: no DNS (dellboy) Message-ID: <000d01c3d689$77e9a3d0$1f00a8c0@dellboy> From: "Dave Pick" To: rsgb_lf_group@blacksheep.org References: <3FFDD87C.F0EF0309@att.net> <3FFDDE47.C1107691@att.net> <006901c3d641$b90d70f0$1f00a8c0@dellboy> <005f01c3d659$8a589380$0500a8c0@charter.net> Date: Fri, 9 Jan 2004 08:20:40 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: 183 kHz BC Q5 in NC at sunset! Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 John. I'd be interested to see that ( I was asleep so didn't se it live). The DC input to the PA is only 250W so QRSS10 would certainly have been possible at full power. I did move down to 920 to avoid Dex's Loran line. Dave. ----- Original Message ----- From: "John Andrews" To: Sent: Friday, January 09, 2004 2:37 AM Subject: Re: LF: 183 kHz BC Q5 in NC at sunset! > I got the end of the "Y," followed by a clear "XM" on 135.920 ending around > 0130. The signal then faded, and I had a half-hour of elevated local noise. > As of 0230, I can see a faint trace on 135.920, but nothing identifiable. > Will leave the captures running overnight. The screen is set for 60 second > dots, and covers 135.919 to 135.922. Early risers might want to give it a > try. Captures at: > http://webpages.charter.net/w1tag/135-1.jpg > > John Andrews, W1TAG > > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 2253 invoked from network); 8 Jan 2004 23:45:27 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 8 Jan 2004 23:45:27 -0000 Received: (qmail 10815 invoked from network); 8 Jan 2004 23:45:27 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 8 Jan 2004 23:45:26 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AejqA-0002hZ-P3 for dave@picks.force9.co.uk; Thu, 08 Jan 2004 23:45:26 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Aejpj-0000c4-Mm for rs_out@blacksheep.org; Thu, 08 Jan 2004 23:44:59 +0000 Received: from [194.73.73.92] (helo=carbon.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Aejpj-0000bv-AS for rsgb_lf_group@blacksheep.org; Thu, 08 Jan 2004 23:44:59 +0000 Received: from [81.128.231.73] (helo=dellboy) by carbon.btinternet.com with smtp (Exim 3.22 #25) id 1Aejpi-0005vy-00 for rsgb_lf_group@blacksheep.org; Thu, 08 Jan 2004 23:44:59 +0000 X-Bad-Message-ID: no DNS (dellboy) Message-ID: <006901c3d641$b90d70f0$1f00a8c0@dellboy> From: "Dave Pick" To: rsgb_lf_group@blacksheep.org References: <3FFDD87C.F0EF0309@att.net> <3FFDDE47.C1107691@att.net> Date: Thu, 8 Jan 2004 23:47:05 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: 183 kHz BC Q5 in NC at sunset! Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 I'll radiate a test tonight on 135.921 (ish) dot 60 if things look hopeful. about -10dbW It's on now. The grabber is on too. http://www.wireless.org.uk/grab/ 73 Dave G3YXM ----- Original Message ----- From: "Dexter McIntyre W4DEX" To: ; "lowfer" Sent: Thursday, January 08, 2004 10:48 PM Subject: Re: LF: 183 kHz BC Q5 in NC at sunset! > Also 153, 162 and 177 kHz Q5 now at 2248 UT. > > > > > Good signal on 183 kHz BC here in NC at sunset. > > > > Dex > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 86842 invoked from network); 31 Jan 2004 22:01:58 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 31 Jan 2004 22:01:58 -0000 Received: (qmail 57478 invoked from network); 31 Jan 2004 22:01:58 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 31 Jan 2004 22:01:56 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim 4.30; FreeBSD) id 1An3Bc-000Ebt-Ch for dave@picks.force9.co.uk; Sat, 31 Jan 2004 22:01:56 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1An3Ai-0008EK-4J for rs_out@blacksheep.org; Sat, 31 Jan 2004 22:01:00 +0000 Received: from [62.58.50.88] (helo=postbode01.zonnet.nl) by post.thorcom.com with esmtp (Exim 4.14) id 1An3Ah-0008E1-0T for rsgb_lf_group@blacksheep.org; Sat, 31 Jan 2004 22:00:59 +0000 Received: (qmail 6712 invoked by uid 10); 31 Jan 2004 22:00:27 -0000 Received: (vexira-qq 06665-9770E4B0 invoked from network) 31 Jan 2004 23:00:26 +0100 X-Fake-Domain: unknown Received: from unknown (HELO ibm) ([62.59.190.183]) (envelope-sender ) by postbode01.zonnet.nl (qmail-ldap-1.03) with SMTP for < >; 31 Jan 2004 22:00:26 -0000 X-Bad-Message-ID: no DNS (ibm) Message-ID: <000801c3e844$96555220$2102000a@ibm> From: "Dick" To: rsgb_lf_group@blacksheep.org References: <6.0.1.1.2.20040129133740.036bcc40@POP3.freeler.nl> <6.0.1.1.2.20040130133028.02f11dc0@POP3.freeler.nl> <001801c3e80d$73b88fc0$e1e9fc3e@l8p8y6> Date: Sat, 31 Jan 2004 22:52:55 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Antivirus: checked by Vexira MailArmor (version: 2.0.1.16; VAE: 6.23.0.3; VDF: 6.23.0.53; host: postbode01.zonnet.nl) Subject: LF: Schematics powersupplies 50-100Volt wanted Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.7 required=5.0 tests=FROM_ENDS_IN_NUMS,HTML_30_40,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
Hello all,
 
after 2 days of searching the internet and a lot of magazines here,
I still haven't found any (simple) design for a powersupply in the 50-100V range.
 
I want to run something with an fixed voltage between 50 to 100 Volt, depending
on what transformer configuration I'm using.
However, I want to have some sort of automatic protection circuit against
to high currents that switch of the supply when current gets to high.
Yeah, I know, a normal fuse will work, but I do not want to spend a bag off
fuses while experimenting.
 
It will be a unit that requires an input of 50-100V AC, giving a fixed DC value out.
(that gives me the possibility to use various transformers)
 
So, any hints suggestions or maybe website's will be welcome.
 
Dick, pa4vhf
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 78566 invoked from network); 30 Jan 2004 22:05:28 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 30 Jan 2004 22:05:28 -0000 Received: (qmail 50071 invoked from network); 30 Jan 2004 22:05:28 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 30 Jan 2004 22:05:27 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AmglT-000Ct6-2w for dave@picks.force9.co.uk; Fri, 30 Jan 2004 22:05:27 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Amgkm-0007Bm-G4 for rs_out@blacksheep.org; Fri, 30 Jan 2004 22:04:44 +0000 Received: from [62.58.50.89] (helo=postbode02.zonnet.nl) by post.thorcom.com with esmtp (Exim 4.14) id 1Amgkl-0007BR-NB for rsgb_lf_group@blacksheep.org; Fri, 30 Jan 2004 22:04:43 +0000 Received: (qmail 26459 invoked by uid 10); 30 Jan 2004 22:04:12 -0000 Received: (vexira-qq 26443-4789F346 invoked from network) 30 Jan 2004 23:04:12 +0100 X-Fake-Domain: unknown Received: from unknown (HELO ibm) ([62.59.190.67]) (envelope-sender ) by postbode02.zonnet.nl (qmail-ldap-1.03) with SMTP for < >; 30 Jan 2004 22:04:12 -0000 X-Bad-Message-ID: no DNS (ibm) Message-ID: <001601c3e77b$f33a8c40$2102000a@ibm> From: "Dick" To: rsgb_lf_group@blacksheep.org References: <6.0.1.1.2.20040129133740.036bcc40@POP3.freeler.nl> <6.0.1.1.2.20040130133028.02f11dc0@POP3.freeler.nl> <000501c3e779$f5159fc0$57c828c3@erica> Date: Fri, 30 Jan 2004 22:55:57 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Antivirus: checked by Vexira MailArmor (version: 2.0.1.16; VAE: 6.23.0.3; VDF: 6.23.0.53; host: postbode02.zonnet.nl) Subject: LF: What NTC to use with an transformer Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.9 required=5.0 tests=FROM_ENDS_IN_NUMS autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hello all, I am starting with an powersupply in order to have something to feed an amp. I have some nice transformers here, one of them being 50V/1000VA. To limit the current when switching on such a large powersupply, I'm thinking of using an NTC in the primaire part. Question however is, what value should I take?????? Their nominal value seems to be given at 25 degrees C. I'm thinking of 1Ohm, and an Imax of 9 Amp. Will that be good enough?????? Dick, pa4vhf From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 39999 invoked from network); 26 Jan 2004 20:46:35 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 26 Jan 2004 20:46:35 -0000 Received: (qmail 39227 invoked from network); 26 Jan 2004 20:46:35 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 26 Jan 2004 20:46:34 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AlDcs-0009Jr-H3 for dave@picks.force9.co.uk; Mon, 26 Jan 2004 20:46:30 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AlDav-0007Uz-OX for rs_out@blacksheep.org; Mon, 26 Jan 2004 20:44:29 +0000 Received: from [62.58.50.88] (helo=postbode01.zonnet.nl) by post.thorcom.com with esmtp (Exim 4.14) id 1AlDau-0007Uj-S3 for rsgb_lf_group@blacksheep.org; Mon, 26 Jan 2004 20:44:28 +0000 Received: (qmail 17047 invoked by uid 10); 26 Jan 2004 20:43:57 -0000 Received: (vexira-qq 16913-87ADE4BF invoked from network) 26 Jan 2004 21:43:54 +0100 X-Fake-Domain: unknown Received: from unknown (HELO ibm) ([62.59.190.56]) (envelope-sender ) by postbode01.zonnet.nl (qmail-ldap-1.03) with SMTP for < >; 26 Jan 2004 20:43:54 -0000 X-Bad-Message-ID: no DNS (ibm) Message-ID: <000401c3e44c$16e59d20$2102000a@ibm> From: "Dick" To: rsgb_lf_group@blacksheep.org References: <005401c3e2ad$3d2d3ba0$6507a8c0@Main> <000801c3e38f$bbec4d40$1f00a8c0@dellboy> Date: Mon, 26 Jan 2004 21:35:21 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Antivirus: checked by Vexira MailArmor (version: 2.0.1.16; VAE: 6.23.0.2; VDF: 6.23.0.29; host: postbode01.zonnet.nl) Subject: LF: my 137kHz project...a little more signal now........ Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.9 required=5.0 tests=FROM_ENDS_IN_NUMS autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Well, I managed to get a nice 12Vtt square wave on 137kHz + all harmonics, and used this to drive a single IRF530, just to see what happens. Had to use a resistor to crank down the current, as my powersupply couldn't handle it............ At least some interesting things happend......the filter coil get's warm..... well, I am not surprised as it is an T106-26 coil from a computer power supply. Also the 3mH coil in the DC-input line makes some nice noises........ All at 7V drainvoltage, and 1 Amp draincurrent. Measured 30Vtt sinus over an 47Ohm resistor, and around +30dBm, or 1 Watt over this same resistor. Far from ideal, I know, but just want to get some experience and do some tests starting with this very simple inefficient circuit. I am sure I'll get more power in the future when using other types of amplifiers. I think the 12V squarewave unit can drive a lot of other stuff, like multiple FET's via transformers etc. Now first need to build an bigger powersupply, a dummyload, and of course al the coilstuff for the antenna............ A 100V/10A power supply will be the next to go for......... Transformer is already there............... Dick, pa4vhf From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 17531 invoked from network); 24 Jan 2004 10:29:04 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 24 Jan 2004 10:29:04 -0000 Received: (qmail 6112 invoked from network); 24 Jan 2004 10:29:04 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 24 Jan 2004 10:29:01 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AkL2C-0001GY-UZ for dave@picks.force9.co.uk; Sat, 24 Jan 2004 10:29:01 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AkL1Q-0005KC-Oe for rs_out@blacksheep.org; Sat, 24 Jan 2004 10:28:12 +0000 Received: from [62.58.50.89] (helo=postbode02.zonnet.nl) by post.thorcom.com with esmtp (Exim 4.14) id 1AkL1P-0005K2-HR for rsgb_lf_group@blacksheep.org; Sat, 24 Jan 2004 10:28:11 +0000 Received: (qmail 27035 invoked by uid 10); 24 Jan 2004 10:27:40 -0000 Received: (vexira-qq 26877-BA6D0CA1 invoked from network) 24 Jan 2004 11:27:35 +0100 X-Fake-Domain: unknown Received: from unknown (HELO ibm) ([62.59.191.117]) (envelope-sender ) by postbode02.zonnet.nl (qmail-ldap-1.03) with SMTP for < >; 24 Jan 2004 10:27:35 -0000 X-Bad-Message-ID: no DNS (ibm) Message-ID: <001101c3e263$a9928f60$2102000a@ibm> From: "Dick" To: rsgb_lf_group@blacksheep.org References: <000c01c3e02e$600a21a0$01eafc3e@l8p8y6> <001501c3e058$ba617980$2102000a@ibm> <002501c3e121$12a54fe0$2102000a@ibm> <000201c3e18c$03c4b540$40e5fc3e@l8p8y6> <002501c3e1e8$cee237a0$2102000a@ibm> <000d01c3e212$ba8e9120$73338751@rogersservices> Date: Sat, 24 Jan 2004 11:19:22 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Antivirus: checked by Vexira MailArmor (version: 2.0.1.16; VAE: 6.23.0.2; VDF: 6.23.0.29; host: postbode02.zonnet.nl) Subject: LF: Thanks for usefull info! Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.7 required=5.0 tests=FROM_ENDS_IN_NUMS,HTML_30_40,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
Hello, and once again thanks for the usefull info given by some of you.
Johan for his references to other MOSFET drivers, Alan and recently
James about the re-use of old line-ouput cores.
Old computer equipement seems to be a good and cheep source
for LF-components.
In fact, I already dismanteld several monitors recently.
 
I often find green/yellow cores; wonder what type this is?
The white/yellow are type -26 I think.........
 
Dick, pa4vhf
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 41662 invoked from network); 23 Jan 2004 23:12:49 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 23 Jan 2004 23:12:49 -0000 Received: (qmail 55000 invoked from network); 23 Jan 2004 23:12:49 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 23 Jan 2004 23:12:48 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AkATo-000ECM-30 for dave@picks.force9.co.uk; Fri, 23 Jan 2004 23:12:48 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AkAT5-0007mr-Pr for rs_out@blacksheep.org; Fri, 23 Jan 2004 23:12:03 +0000 Received: from [62.58.50.88] (helo=postbode01.zonnet.nl) by post.thorcom.com with esmtp (Exim 4.14) id 1AkAT4-0007i4-KV for rsgb_lf_group@blacksheep.org; Fri, 23 Jan 2004 23:12:02 +0000 Received: (qmail 10342 invoked by uid 10); 23 Jan 2004 23:11:32 -0000 Received: (vexira-qq 10300-D09016B9 invoked from network) 24 Jan 2004 00:11:26 +0100 X-Fake-Domain: unknown Received: from unknown (HELO ibm) ([62.59.190.163]) (envelope-sender ) by postbode01.zonnet.nl (qmail-ldap-1.03) with SMTP for < >; 23 Jan 2004 23:11:26 -0000 X-Bad-Message-ID: no DNS (ibm) Message-ID: <000801c3e205$35785be0$2102000a@ibm> From: "Dick" To: rsgb_lf_group@blacksheep.org References: <000c01c3e02e$600a21a0$01eafc3e@l8p8y6> <001501c3e058$ba617980$2102000a@ibm> <002501c3e121$12a54fe0$2102000a@ibm> <000201c3e18c$03c4b540$40e5fc3e@l8p8y6> <002501c3e1e8$cee237a0$2102000a@ibm> Date: Sat, 24 Jan 2004 00:04:06 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Antivirus: checked by Vexira MailArmor (version: 2.0.1.16; VAE: 6.23.0.2; VDF: 6.23.0.29; host: postbode01.zonnet.nl) Subject: LF: interesting sites for LF too...... Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.7 required=5.0 tests=FROM_ENDS_IN_NUMS,HTML_30_40,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
Hello ,
 
For those who didn't know...there is a community also working on frequencies
around 136kHz.............
I don't know how I found them, but must have been during one of my (google) searches around
the net for 136kHz.
 
Just look for the subject "Solid State Tesla Coil".
These guys using also switched mode powerfet amplifiers, but instead of
putting the energy to an large coil and antenna, they put it into an so called
"Tesla Coil"in order to produce nice large flash-overs, with sparks upto 3 meters..........
Some nice designs looking very much the same as the ones we're using.
 
Two of the site's I found:
 
 
 
So if you are not able to put up an antenna, you can use your amplifier to
make 'portable thunderstorms', hihi.
 
Dick, pa4vhf
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 46287 invoked from network); 23 Jan 2004 19:49:23 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 23 Jan 2004 19:49:23 -0000 Received: (qmail 6021 invoked from network); 23 Jan 2004 19:49:23 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 23 Jan 2004 19:49:22 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Ak7Iv-0001S3-Sc for dave@picks.force9.co.uk; Fri, 23 Jan 2004 19:49:22 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ak7IJ-0003dC-0Z for rs_out@blacksheep.org; Fri, 23 Jan 2004 19:48:43 +0000 Received: from [62.58.50.89] (helo=postbode02.zonnet.nl) by post.thorcom.com with esmtp (Exim 4.14) id 1Ak7IH-0003cz-MN for rsgb_lf_group@blacksheep.org; Fri, 23 Jan 2004 19:48:41 +0000 Received: (qmail 25046 invoked by uid 10); 23 Jan 2004 19:48:10 -0000 Received: (vexira-qq 24970-B5E440BD invoked from network) 23 Jan 2004 20:48:09 +0100 X-Fake-Domain: unknown Received: from unknown (HELO ibm) ([62.59.191.49]) (envelope-sender ) by postbode02.zonnet.nl (qmail-ldap-1.03) with SMTP for < >; 23 Jan 2004 19:48:09 -0000 X-Bad-Message-ID: no DNS (ibm) Message-ID: <002501c3e1e8$cee237a0$2102000a@ibm> From: "Dick" To: rsgb_lf_group@blacksheep.org References: <000c01c3e02e$600a21a0$01eafc3e@l8p8y6> <001501c3e058$ba617980$2102000a@ibm> <002501c3e121$12a54fe0$2102000a@ibm> <000201c3e18c$03c4b540$40e5fc3e@l8p8y6> Date: Fri, 23 Jan 2004 20:40:06 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Antivirus: checked by Vexira MailArmor (version: 2.0.1.16; VAE: 6.23.0.2; VDF: 6.23.0.29; host: postbode02.zonnet.nl) Subject: LF: my 137 kHz project...... Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.3 required=5.0 tests=FROM_ENDS_IN_NUMS,HTML_20_30,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
 
Well, despite first negative results I now seems to get some positive results.........
 
Thanks to all here for the  "physical support" , it keeps me involved.........
 
For Mal, and others,...I just first want to get my costs as low as possible by using
things I have in my junkbox.
I soon expect to get a number of old (defect) SMPS-computer power supplies, which
at least contains an T106-26 core as well as an larger transformer.
Not sure about the FET's in these supplies, but when having several in my junkbox
it will be not a big problem when loosing some of them.
Meanwhile I also dismanteld some old computer monitors, which seem to be a nice
source for various components too. (some high-voltage/low loss capacitors. as well!!)
 
Meanwhile I ad an 7805 regulator to my circuit; lowering the ouput level to +7dBm.
I'm keying the 4060 on pin 12 , and that seems to work well.
Next will be the TDA2030 amp. Rich, OM2TW advised an high permeability core in
the step up transformer >2000.
I will test some core's......got a grey one, might be an 3C90 or what ever, no idea.
I just give it a try............
 
I am luck to have some nice transformers available; one of them is a 42V/20A device...........
 
With the start on LF, a lot of 'related to' work has to be done, like constructing special
measuring equipement, power supply, dummy load etc.
I do have a quite large and various amount of PVC pipe's (left-overs!) some of them being
20-30cm in diameter.....great stuff for large coils!
 
Well, now I'm returning to the soldering iron, and hopefully will rise my power above 1 Watt (hihi)
 
73
 
Dick pa4vhf      (now QRppppppppppp on 137kHz in a 50 Ohm resistor..........)
 
 
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 59735 invoked from network); 22 Jan 2004 23:06:22 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 22 Jan 2004 23:06:22 -0000 Received: (qmail 54216 invoked from network); 22 Jan 2004 23:06:21 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 22 Jan 2004 23:06:20 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Ajnu0-000Dt2-2X for dave@picks.force9.co.uk; Thu, 22 Jan 2004 23:06:20 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ajnti-0003Mw-2L for rs_out@blacksheep.org; Thu, 22 Jan 2004 23:06:02 +0000 Received: from [62.58.50.88] (helo=postbode01.zonnet.nl) by post.thorcom.com with esmtp (Exim 4.14) id 1Ajntg-0003Mn-PT for rsgb_lf_group@blacksheep.org; Thu, 22 Jan 2004 23:06:00 +0000 Received: (qmail 20306 invoked by uid 10); 22 Jan 2004 23:05:30 -0000 Received: (vexira-qq 20266-9983D0CC invoked from network) 23 Jan 2004 00:05:28 +0100 X-Fake-Domain: unknown Received: from unknown (HELO ibm) ([62.59.190.37]) (envelope-sender ) by postbode01.zonnet.nl (qmail-ldap-1.03) with SMTP for < >; 22 Jan 2004 23:05:28 -0000 X-Bad-Message-ID: no DNS (ibm) Message-ID: <001401c3e13b$36201c60$2102000a@ibm> From: "Dick" To: rsgb_lf_group@blacksheep.org References: <000c01c3e02e$600a21a0$01eafc3e@l8p8y6> <001501c3e058$ba617980$2102000a@ibm> <002501c3e121$12a54fe0$2102000a@ibm> Date: Thu, 22 Jan 2004 23:57:18 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Antivirus: checked by Vexira MailArmor (version: 2.0.1.16; VAE: 6.23.0.2; VDF: 6.23.0.29; host: postbode01.zonnet.nl) Subject: LF: more on my 'nasty'136kHz project............. Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.3 required=5.0 tests=FROM_ENDS_IN_NUMS,HTML_20_30,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
Hello all,
 
yeah, well, once being amateur, means mostly always an ham, hihi.
 
and that means...............exact........I just can't give up.............
 
so, had an closer look at the 'remains' sofar..........
I haven't checked the waveform as Angelo suggested, but it might well be a
possible trouble source involved.
 
Maybe with help of the 136-community around here I might be able to solve
the problems and become QRV with a decent signal.
 
Well, here is what I've done sofar:
 
I am using an 4049 as an oscillator, with some of it's ports used as buffer.
I'm using a little lowpass filter behind the VFO, and the ouput is somewhere
around -5 to 0 dBm.
 
I rebuild (yes, I did.........) the divided circuit, first another lowpass filter so, now
having a fairly 'clear' 2192kHz available. (second harmonic more then 60dB down)
 
This around -5dBm signal goes into pin 11 of an 74HCT4060.
(I put an 10M resistor between pin 10 and 11)
Pin 12 and 8 are grounded; Vcc on pin 16.
It draws 30mA (!) at 12V so, I now put a 150 Ohm resistor between pin16 and the 12V supply,
in order to limit the current.
Of course I put the usual capacitor to ground at pin 16. (330nF)
 
I get +17dBm out on 137kHz now.
There are a lot of harmonics in the (unfiltered) output; especially the 3f, 5f, 7f etc.
 
So, at least I am producing a signal on 137kHz (and maaaaaaaaaaaany other freqs) now.
 
At this point I am not sure what to do.....filtering or not??
I suppose I get these harmonics again in later (driver) stages so, maybe better to
do it at the end..........
 
How to key is the next question.
I want to leave the VFO on all the time for better stability.
The 4060 will be switched off in RX situation, to aviod having a signal on 137kHz,
and in my receiver blocking the RX..........
I did some tests with the keying circuit used by OM2TW and DF3LP/DJ1ZB in their designs
using 2 stages with BC549, from which the first one is switched in its emitter.
However, this did not work fine.
I was able to key, but the output level was much lower then it's input, and the level of
harmonics etc where worse, compaired to the input signal of the circuit.
 
I do have some TDA2030's and my plan is to use the OM2TW design in order to get
5Watt or so, driving the rest...........
I do have some core's that might be usuable.I ordered defect computer SMPS powersupply's
in order to get some junk-components.............
One of the core's is likely an T106-26, and I do have a pair of T50-18's as well.
Wonder if the last ones can be used for the step-up transformer in OM2TW's design......
 
Well, now having some sleep....looking foreward to see some comments tips...
 
By the way, I still have 2 stacked beverages of 400m length, pointing towards USA up........
Maybe find some time next weekend to listen on 137kHz with it.....
 
73 Dick, pa4vhf (desperate trying to get on 137kHz, hihi)
 
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 15052 invoked from network); 22 Jan 2004 19:59:07 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by mailstore with SMTP; 22 Jan 2004 19:59:07 -0000 Received: (qmail 83414 invoked from network); 22 Jan 2004 19:59:07 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 22 Jan 2004 19:59:04 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Ajkym-000LNz-Gy for dave@picks.force9.co.uk; Thu, 22 Jan 2004 19:59:04 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ajkyd-0007pd-RP for rs_out@blacksheep.org; Thu, 22 Jan 2004 19:58:55 +0000 Received: from [62.58.50.89] (helo=postbode02.zonnet.nl) by post.thorcom.com with esmtp (Exim 4.14) id 1Ajkyc-0007pJ-Lm for rsgb_lf_group@blacksheep.org; Thu, 22 Jan 2004 19:58:54 +0000 Received: (qmail 2317 invoked by uid 10); 22 Jan 2004 19:58:23 -0000 Received: (vexira-qq 02252-E75033C6 invoked from network) 22 Jan 2004 20:58:22 +0100 X-Fake-Domain: unknown Received: from unknown (HELO ibm) ([62.59.190.188]) (envelope-sender ) by postbode02.zonnet.nl (qmail-ldap-1.03) with SMTP for < >; 22 Jan 2004 19:58:22 -0000 X-Bad-Message-ID: no DNS (ibm) Message-ID: <002501c3e121$12a54fe0$2102000a@ibm> From: "Dick" To: rsgb_lf_group@blacksheep.org References: <000c01c3e02e$600a21a0$01eafc3e@l8p8y6> <001501c3e058$ba617980$2102000a@ibm> Date: Thu, 22 Jan 2004 20:44:44 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Antivirus: checked by Vexira MailArmor (version: 2.0.1.16; VAE: 6.23.0.2; VDF: 6.23.0.29; host: postbode02.zonnet.nl) Subject: LF: 136kHz project cancelled Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.7 required=5.0 tests=FROM_ENDS_IN_NUMS,HTML_30_40,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
Hello all,
 
Sorry to say but for the moment I decided to stop my building
activeties for the 136kHz transmitter.
Right from the start I faced only problems in getting things
working, and I just do not have the time to spend days on
testing, trying doing things over and over and in another way etc.
 
To give you some examples from problems I ran into:
 
No suitable X-tals to build VXO 's or something with an divider, so I decided
to build an VFO on 1.37MHz followed by an 4017 to divide by 10.
VFO worked perfect but the 10-diveder just wouldn't work!!!!
I spend hours and hours to get it running, tried several different IC's
(I expected speed problems etc) all with no result.........
1.37MHz in ......NOTHING out................
It was a sinple circuit : pin 8,13,15 to ground, VCC on 16, 1.37MHz on pin 14,
and output at pin 12...... so stupid simple, that it really is amazing that things are
not working.
 
Well, I decided to try my luck with an 4060 IC..........modified the VFO, now around 2192kHz,
divided by 16 to get 137kHz.
Well, that does work ,so, so......and with a large amount of harmonics....2,3,4,5, etc times 137kHz
and all very strong well into the 5MHz range..........
I think I need a lot of filtering to get rid of this.................
 
So, with things already in this stadium getting so unfortunate, I think it's better to stop
before I start loosing components like FET's or what ever, because I can't imagine that
that will work without problems either..........
 
Once again, sorry to say, but can't efford myself to continue this way.
I do know that this is the real experimental stuff, and I have done a lot in the past,
but for now not so enthiousiastic about this project anymore.
 
Maybe later I'll pick things up again.
Meanwhile I will try to keep informed about the 136kHz scene here in the list; maybe doing some
listening...........
 
73 for now!
 
Dick (an unfortunate 136-TX builder..........)
 
 
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 74718 invoked from network); 21 Jan 2004 20:05:31 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 21 Jan 2004 20:05:31 -0000 Received: (qmail 81435 invoked from network); 21 Jan 2004 20:05:31 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 21 Jan 2004 20:05:30 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AjObR-000L3H-W4 for dave@picks.force9.co.uk; Wed, 21 Jan 2004 20:05:30 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AjOaq-00063L-Bv for rs_out@blacksheep.org; Wed, 21 Jan 2004 20:04:52 +0000 Received: from [62.58.50.89] (helo=postbode02.zonnet.nl) by post.thorcom.com with esmtp (Exim 4.14) id 1AjOap-000638-Go for rsgb_lf_group@blacksheep.org; Wed, 21 Jan 2004 20:04:51 +0000 Received: (qmail 1310 invoked by uid 10); 21 Jan 2004 20:04:19 -0000 Received: (vexira-qq 01062-ED785CF7 invoked from network) 21 Jan 2004 21:04:14 +0100 X-Fake-Domain: unknown Received: from unknown (HELO ibm) ([62.59.190.157]) (envelope-sender ) by postbode02.zonnet.nl (qmail-ldap-1.03) with SMTP for < >; 21 Jan 2004 20:04:13 -0000 X-Bad-Message-ID: no DNS (ibm) Message-ID: <001501c3e058$ba617980$2102000a@ibm> From: "Dick" To: rsgb_lf_group@blacksheep.org References: <000c01c3e02e$600a21a0$01eafc3e@l8p8y6> Date: Wed, 21 Jan 2004 20:35:29 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Antivirus: checked by Vexira MailArmor (version: 2.0.1.16; VAE: 6.23.0.2; VDF: 6.23.0.29; host: postbode02.zonnet.nl) Subject: LF: TDA2030 amplifier by OM2TW Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.7 required=5.0 tests=FROM_ENDS_IN_NUMS,HTML_30_40,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
Hello all,
 
As I haven't OM2TW's emailadress right now, I'll ask here.
I found an pdf.drawing of the TDA2030 amplifier giving 5Watts or so on 136kHz.
however, at hte output stage there are two coils L3/L4 (ouput transformer) with no
further details mentioned.
Can anyone help me with detailed info about the value/or how to construct these coils?
Also some uncertainty about C21 and C22, are they elco's or normal C's????
 
73 Dick, pa4vhf
 
(now probably first try to create QRP in an easy way.......)
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 52277 invoked from network); 20 Jan 2004 22:26:33 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 20 Jan 2004 22:26:33 -0000 Received: (qmail 58112 invoked from network); 20 Jan 2004 22:26:33 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 20 Jan 2004 22:26:31 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Aj4KN-000Epe-H8 for dave@picks.force9.co.uk; Tue, 20 Jan 2004 22:26:31 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Aj4Jo-0006hx-Qi for rs_out@blacksheep.org; Tue, 20 Jan 2004 22:25:56 +0000 Received: from [62.58.50.89] (helo=postbode02.zonnet.nl) by post.thorcom.com with esmtp (Exim 4.14) id 1Aj4Jn-0006hm-R9 for rsgb_lf_group@blacksheep.org; Tue, 20 Jan 2004 22:25:55 +0000 Received: (qmail 21672 invoked by uid 10); 20 Jan 2004 22:25:24 -0000 Received: (vexira-qq 21592-BE295BA1 invoked from network) 20 Jan 2004 23:25:19 +0100 X-Fake-Domain: unknown Received: from unknown (HELO ibm) ([62.59.190.94]) (envelope-sender ) by postbode02.zonnet.nl (qmail-ldap-1.03) with SMTP for < >; 20 Jan 2004 22:25:19 -0000 X-Bad-Message-ID: no DNS (ibm) Message-ID: <003d01c3dfa3$4766f960$2102000a@ibm> From: "Dick" To: rsgb_lf_group@blacksheep.org References: <1074543877.400c3d051a334@webmail2.kuleuven.be><5.1.0.14.0.20040120090129.0362e1d0@u0019445.kuleuven.be> <5.1.0.14.0.20040120155308.036a8a60@u0019445.kuleuven.be> Date: Tue, 20 Jan 2004 23:17:26 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Antivirus: checked by Vexira MailArmor (version: 2.0.1.16; VAE: 6.23.0.2; VDF: 6.23.0.29; host: postbode02.zonnet.nl) Subject: LF: TC44/MUR1660 question...thanks..... Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.7 required=5.0 tests=FROM_ENDS_IN_NUMS,HTML_30_40,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
Thanks to all who replied to my question.
Sorry to see that these FET-drivers are not (yet) a widely available
product.
Marek's suggestion of using an ICL7667 isn't an bad idea at all.
 
I know the person I Holland who sells them; but hadn't tought of him in
the first place. (he is rather expensive...........)
 
At the momente I am so unfortunate that I can not afford myself to buy
any expensive parts; so it really has to be a lot of 'junk-box'material to be used.
 
Meanwhile I am searching for old (second-hand?) computer powersupply's
which might contain also sone usefull components.
 
I downloaded several designs now; also the quarter kilowatt amplifier from G0MRF,
which seems to use no driver IC..........
Probably my first experimental 137kHz set-up will be something like the DF3LP
"impatient design", simple straight in the old fashioned way.......
 
Dick, pa4vhf   (the VFO is running....................more later?????)
 
 
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 73899 invoked from network); 14 Jan 2004 22:49:40 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 14 Jan 2004 22:49:40 -0000 Received: (qmail 58057 invoked from network); 14 Jan 2004 22:49:40 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 14 Jan 2004 22:49:39 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AgtpT-000Exo-3M for dave@picks.force9.co.uk; Wed, 14 Jan 2004 22:49:39 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Agton-0005ZE-97 for rs_out@blacksheep.org; Wed, 14 Jan 2004 22:48:57 +0000 Received: from [62.58.50.89] (helo=postbode02.zonnet.nl) by post.thorcom.com with esmtp (Exim 4.14) id 1Agtom-0005Z5-2x for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 22:48:56 +0000 Received: (qmail 18347 invoked by uid 10); 14 Jan 2004 22:48:25 -0000 Received: (vexira-qq 18102-3D3A407D invoked from network) 14 Jan 2004 23:48:20 +0100 X-Fake-Domain: unknown Received: from unknown (HELO ibm) ([62.59.190.210]) (envelope-sender ) by postbode02.zonnet.nl (qmail-ldap-1.03) with SMTP for < >; 14 Jan 2004 22:48:20 -0000 X-Bad-Message-ID: no DNS (ibm) Message-ID: <005a01c3daef$8519b800$2102000a@ibm> From: "Dick" To: rsgb_lf_group@blacksheep.org References: <000001c3dad1$62a77eb0$fce8c593@rsch15> Date: Wed, 14 Jan 2004 23:40:19 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Antivirus: checked by Vexira MailArmor (version: 2.0.1.16; VAE: 6.23.0.2; VDF: 6.23.0.29; host: postbode02.zonnet.nl) Subject: LF: interference due to 136kHz transmissions Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.9 required=5.0 tests=FROM_ENDS_IN_NUMS autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hello all, First of all thanks for answering my question; however I actually didn't meant direct interference on reception (radio/TV) but RFI. I mean the CW-signal on 136kHz detected in various audioparts of certain pieces of equipement, like it happens so often when working on the other HF-bands. Especially external computer speakers and (low-cost) midi-sets etc. Where I live everybody has cable-television or a satellite dish, so that won't be the problem. I'm just afraid of getting complains about strange noises coming out of all kind of (audio) equipement in the neighbourhood........... I can imagine that the RF-field on 136kHz is something totally different than the usual HF-stuff. Maybe higher voltage on antenna, or stronger magnetic component, but less 'real' RF-field that cause all these unwanted detection problems. I live in the center of a block of houses with an 10m backgarden. At the end of the garden there is a little alley, and to the oposite site of this alley there is first (like at me) 10m garden space, and then parallel to my block, another block of houses. So, my backneighbours ar a little less then 25m away from me. So, defenatly my backgarden is not the ideal place to put up some kind of transmission antenna for LF. The signal will certainly find not an easy way to get 'out', and my 'activeties'will certainly not stay 'unnoticed'to my neighbours....... (sofar they haven't had any interference from my wires............) My old QTH at my parents place is a little better with less, and further away neighbours; however there are some (to) nearby trees, that also may absorb the little amount of energy I am trying to get out...... Next weeks I'll be busy preparing stuff for our (inter)national PACC contest taking part 14/15 february. I will be operating the 160m station from PI4ZI, like I did last year. Anyway, it is interesting to be on the list, and to get an idea about what's happening all around. Sofar I saw that even with 'simple'set ups QSO's must be possible. Hope to see you all soon on 136kHz! Dick, PA4VHF From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 62415 invoked from network); 31 Jan 2004 13:28:29 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore03.plus.net with SMTP; 31 Jan 2004 13:28:29 -0000 Received: (qmail 52171 invoked from network); 31 Jan 2004 13:28:29 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 31 Jan 2004 13:28:28 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AmvAi-000DOS-Fn for dave@picks.force9.co.uk; Sat, 31 Jan 2004 13:28:28 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AmvAI-0000gq-TT for rs_out@blacksheep.org; Sat, 31 Jan 2004 13:28:02 +0000 Received: from [213.218.75.231] (helo=smtp02.freeler.nl) by post.thorcom.com with esmtp (Exim 4.14) id 1AmvAI-0000gg-1c for rsgb_lf_group@blacksheep.org; Sat, 31 Jan 2004 13:28:02 +0000 Received: (qmail 8231 invoked from network); 31 Jan 2004 13:28:01 -0000 X-Fake-Domain: unknown Received: from unknown (HELO w8k3f0.freeler.nl) ([62.21.135.161]) (envelope-sender ) by smtp02.freeler.nl (qmail-ldap-1.03) with SMTP for ; 31 Jan 2004 13:28:01 -0000 Message-ID: <6.0.1.1.2.20040131142000.02f24840@POP3.freeler.nl> X-Sender: FRE0000086604@POP3.freeler.nl (Unverified) X-Mailer: QUALCOMM Windows Eudora Version 6.0.1.1 Date: Sat, 31 Jan 2004 14:22:09 +0100 To: rsgb_lf_group@blacksheep.org From: "Dick Rollema" MIME-Version: 1.0 Subject: Re: LF: Beaconing by PA0SE Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit Uwe, DJ8WX wrote:

Hi Dick,
so you did not rcv my screenshot (.bmp 1,2MB) ?

No, I did not.

But maybe it was due to the Mydoom virus. The computer twice said it could not open a message; a report I  never saw  before.  I then let the McAfee antivirus software scan my computer and it detected the virus in the folder that contains the attachments (an advantage of Eudora; attachments are immediately moved to a separate folder so they cannot infect the address book). After emptying the folder the virus was gone.
Perhaps one of the two messages that were not displayed was yours.

But thanks for sending it. I now have enough material for a short article in Electron.  The screenshot from VO1NA is the most impressive one of course.

73, Dick, PA0SE From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 19732 invoked from network); 31 Jan 2004 11:37:00 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 31 Jan 2004 11:37:00 -0000 Received: (qmail 84135 invoked from network); 31 Jan 2004 11:37:00 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 31 Jan 2004 11:36:59 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AmtQo-000LlX-T9 for dave@picks.force9.co.uk; Sat, 31 Jan 2004 11:36:58 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AmtQ3-0003wU-A1 for rs_out@blacksheep.org; Sat, 31 Jan 2004 11:36:11 +0000 Received: from [213.218.75.230] (helo=smtp01.freeler.nl) by post.thorcom.com with esmtp (Exim 4.14) id 1AmtQ2-0003wL-1V for rsgb_lf_group@blacksheep.org; Sat, 31 Jan 2004 11:36:10 +0000 Received: (qmail 14547 invoked from network); 31 Jan 2004 11:36:09 -0000 X-Fake-Domain: unknown Received: from unknown (HELO w8k3f0.freeler.nl) ([62.21.143.163]) (envelope-sender ) by smtp01.freeler.nl (qmail-ldap-1.03) with SMTP for ; 31 Jan 2004 11:36:08 -0000 Message-ID: <6.0.1.1.2.20040131111944.02f28ad0@POP3.freeler.nl> X-Sender: FRE0000086604@POP3.freeler.nl (Unverified) X-Mailer: QUALCOMM Windows Eudora Version 6.0.1.1 Date: Sat, 31 Jan 2004 11:32:32 +0100 To: rsgb_lf_group@blacksheep.org From: "Dick Rollema" In-reply-to: <1AmbdJ-1Oy81Y0@fwd03.sul.t-online.com> References: <6.0.1.1.2.20040129133740.036bcc40@POP3.freeler.nl> <6.0.1.1.2.20040130133028.02f11dc0@POP3.freeler.nl> <1AmbdJ-1Oy81Y0@fwd03.sul.t-online.com> MIME-Version: 1.0 Subject: Re: LF: Beaconing by PA0SE Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit Uwe, DJ8WX wrote:

Hi Dick,
so you did not rcv my screenshot (.bmp 1,2MB) ?

No, I did not.

But maybe it was due to the Mydoom virus. The computer twice said it could not open a message; a report I  never saw  before.  I then let the McAfee antivirus software scan my computer and it detected the virus in the folder that contains the attachments (an advantage of Eudora; attachments are immediately moved to a separate folder so they cannot infect the address book). After emptying the folder the virus was gone.
Perhaps one of the two messages that were not displayed was yours.

But thanks for sending it. I now have enough material for a short article in Electron.  The screenshot from VO1NA is the most impressive one of course.

73, Dick, PA0SE From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 11848 invoked from network); 30 Jan 2004 13:22:02 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 30 Jan 2004 13:22:02 -0000 Received: (qmail 60665 invoked from network); 30 Jan 2004 13:22:01 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 30 Jan 2004 13:21:59 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AmYas-000FdQ-Ks for dave@picks.force9.co.uk; Fri, 30 Jan 2004 13:21:58 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AmYZg-0004FI-7D for rs_out@blacksheep.org; Fri, 30 Jan 2004 13:20:44 +0000 Received: from [213.218.75.233] (helo=smtp04.freeler.nl) by post.thorcom.com with esmtp (Exim 4.14) id 1AmYZc-0004F9-PZ for rsgb_lf_group@blacksheep.org; Fri, 30 Jan 2004 13:20:40 +0000 Received: (qmail 2566 invoked from network); 30 Jan 2004 13:20:40 -0000 X-Fake-Domain: unknown Received: from unknown (HELO w8k3f0.freeler.nl) ([62.21.137.182]) (envelope-sender ) by smtp04.freeler.nl (qmail-ldap-1.03) with SMTP for ; 30 Jan 2004 13:20:32 -0000 Message-ID: <6.0.1.1.2.20040130133028.02f11dc0@POP3.freeler.nl> X-Sender: FRE0000086604@POP3.freeler.nl (Unverified) X-Mailer: QUALCOMM Windows Eudora Version 6.0.1.1 Date: Fri, 30 Jan 2004 14:03:42 +0100 To: rsgb_lf_group@blacksheep.org From: "Dick Rollema" In-reply-to: References: <6.0.1.1.2.20040129133740.036bcc40@POP3.freeler.nl> MIME-Version: 1.0 Subject: LF: Beaconing by PA0SE Content-Type: multipart/mixed; boundary="------------020801020501060304040205" X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 This is a multi-part message in MIME format. --------------020801020501060304040205 Content-Type: text/html; charset=windows-1252 Content-Transfer-Encoding: 8bit To All from PA0SE

Joe, VO1NA wrote:

PA0SE was detected around 2300 and was full O copy
at 0200.

Joe also sent me a screenshot directly :
3fcd959.jpg

Screenshots were also received from M0BMU, G3AQC, EA1PX and CT1DRP, all showing excellent copy of my 140mW EMRP signal. EA1PX reported he even could hear me!
Many thanks to all who responded!

I have been trying to copy VO1NA's signal during several nights. Though there were traces of his signal at the beginning of the night and also around dawn, none were good enough for a QSO.

I cannot use ARGO because it requires a sampling rate of 5512kHz and that is not supported by the soundcard, as I found out with I2BHD's help (tnx again Alberto).
I therefore use SPECTRAN at a sampling rate of 8000kHz and a bandwidth of 0.031Hz. 
But I don't think that explains the poor copy. I think the local noise level  is too high.  The level fluctuates somewhat with time and it was during a low that I could detect, but not read, Joe's signal.

Perhaps when better propagation is present I will succeed in making a two-way with Joe.

I hope Alan will tell us  when that is the case.

In he meantime congratulations to those accomplished a QSO with Joe.

73, Dick, PA0SE

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ZeANK0X9jH40fEr4NfE6z8f634x+FWvj+2vG3gD9ob9njxFrvw7bwf8AD/xC1xpE/jKKyHiz /hDbhvCV1eaDpfivw9/sN0UV/IPiPFQ4wzaMVaMasYpXbslGyV229kt3d7vU+pwKthqe7vFb tv7KW7b7a93dvVtv/9k= --------------020801020501060304040205-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 19520 invoked from network); 29 Jan 2004 15:26:15 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 29 Jan 2004 15:26:15 -0000 Received: (qmail 13793 invoked from network); 29 Jan 2004 15:26:14 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 29 Jan 2004 15:26:13 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AmE3Z-0003SW-BZ for dave@picks.force9.co.uk; Thu, 29 Jan 2004 15:26:13 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AmE2R-0003TX-EZ for rs_out@blacksheep.org; Thu, 29 Jan 2004 15:25:03 +0000 Received: from [213.218.75.233] (helo=smtp04.freeler.nl) by post.thorcom.com with esmtp (Exim 4.14) id 1AmE2Q-0003TO-Gi for rsgb_lf_group@blacksheep.org; Thu, 29 Jan 2004 15:25:02 +0000 Received: (qmail 32015 invoked from network); 29 Jan 2004 15:25:02 -0000 X-Fake-Domain: unknown Received: from unknown (HELO w8k3f0.freeler.nl) ([62.21.132.44]) (envelope-sender ) by smtp04.freeler.nl (qmail-ldap-1.03) with SMTP for ; 29 Jan 2004 15:25:01 -0000 Message-ID: <6.0.1.1.2.20040129161950.034c0750@POP3.freeler.nl> X-Sender: FRE0000086604@POP3.freeler.nl (Unverified) X-Mailer: QUALCOMM Windows Eudora Version 6.0.1.1 Date: Thu, 29 Jan 2004 16:24:03 +0100 To: "LF-Group" From: "Dick Rollema" MIME-Version: 1.0 Subject: LF: Beaconing by PA0SE Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit To All from PA0SE

The following message was sent before but I now have added a request.

I intend to do beaconing tonight, starting around 2200 UTC and using QRSS30 on 135922Hz.  Will stop about 0800 UTC on 30/1.  Power about 140 milliwatt EMRP.

If you happen to see my signal I would be grateful for a screen shot.  I intend to write an article on LF for our VERON magazine Electron and a screen shot would be a nice illustration.

Thanks!

73, Dick, PA0SE From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 20101 invoked from network); 29 Jan 2004 12:44:35 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 29 Jan 2004 12:44:35 -0000 Received: (qmail 30455 invoked from network); 29 Jan 2004 12:44:34 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 29 Jan 2004 12:44:33 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AmBX6-0007n7-Va for dave@picks.force9.co.uk; Thu, 29 Jan 2004 12:44:33 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AmBVK-00044y-D3 for rs_out@blacksheep.org; Thu, 29 Jan 2004 12:42:42 +0000 Received: from [213.218.75.236] (helo=smtp07.freeler.nl) by post.thorcom.com with esmtp (Exim 4.14) id 1AmBVI-00044f-TJ for rsgb_lf_group@blacksheep.org; Thu, 29 Jan 2004 12:42:40 +0000 Received: (qmail 4820 invoked from network); 29 Jan 2004 12:42:40 -0000 X-Fake-Domain: unknown Received: from unknown (HELO w8k3f0.freeler.nl) ([62.21.168.48]) (envelope-sender ) by smtp07.freeler.nl (qmail-ldap-1.03) with SMTP for ; 29 Jan 2004 12:42:39 -0000 Message-ID: <6.0.1.1.2.20040129133740.036bcc40@POP3.freeler.nl> X-Sender: FRE0000086604@POP3.freeler.nl (Unverified) X-Mailer: QUALCOMM Windows Eudora Version 6.0.1.1 Date: Thu, 29 Jan 2004 13:41:33 +0100 To: "LF-Group" From: "Dick Rollema" MIME-Version: 1.0 Subject: LF: Beaconing by PA0SE Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit To All from PA0SE

I intend to do beaconing tonight, starting around 2200 UTC and using QRSS30 on 135922Hz.  Will stop about 0800 UTC on 30/1.  Power about 140 milliwatt EMRP.

73, Dick, PA0SE From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 6131 invoked from network); 5 Jan 2004 16:45:09 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 5 Jan 2004 16:45:09 -0000 Received: (qmail 78463 invoked from network); 5 Jan 2004 16:45:08 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 5 Jan 2004 16:45:07 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AdXql-000K4C-CV for dave@picks.force9.co.uk; Mon, 05 Jan 2004 16:45:07 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdXqL-0000M4-O4 for rs_out@blacksheep.org; Mon, 05 Jan 2004 16:44:41 +0000 Received: from [213.218.75.230] (helo=smtp01.freeler.nl) by post.thorcom.com with esmtp (Exim 4.14) id 1AdXqK-0000Lv-L4 for rsgb_lf_group@blacksheep.org; Mon, 05 Jan 2004 16:44:40 +0000 Received: (qmail 14398 invoked from network); 5 Jan 2004 16:44:40 -0000 X-Fake-Domain: unknown Received: from unknown (HELO w8k3f0.freeler.nl) ([62.21.135.21]) (envelope-sender ) by smtp01.freeler.nl (qmail-ldap-1.03) with SMTP for ; 5 Jan 2004 16:44:38 -0000 Message-ID: <6.0.1.1.2.20040105172829.027e8860@POP3.freeler.nl> X-Sender: FRE0000086604@POP3.freeler.nl (Unverified) X-Mailer: QUALCOMM Windows Eudora Version 6.0.1.1 Date: Mon, 05 Jan 2004 17:47:50 +0100 To: rsgb_lf_group@blacksheep.org From: "Dick Rollema" In-reply-to: <000201c3d2f3$c4fb5f40$61e4fc3e@l8p8y6> References: <6.0.1.1.2.20031229161651.027e8660@POP3.freeler.nl> <000001c3d009$acf7a620$c7e47f50@Smisan> <6.0.1.1.2.20040103121138.0280f960@POP3.freeler.nl> <000601c3d2c3$2bd34e70$b733f7c2@johnb5a82ea1a4> <6.0.1.1.2.20040104163146.027efbe0@POP3.freeler.nl> <000201c3d2f3$c4fb5f40$61e4fc3e@l8p8y6> MIME-Version: 1.0 Subject: LF: Horizontally polarised radiation Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit To All from PA0SE,

In an earlier e-mail I wrote:

----- Original Message -----
From: Dick Rollema
To: rsgb_lf_group@blacksheep.org
Sent: Sunday, January 04, 2004 3:50 PM
Subject: Re: LF: Re: "T" versus "L"aerial

Dear John,

Computer simulation takes place over perfect ground and shows appreciable horizontally polarised radiation under high elevation angles for the inverted-L aerial .  But even at say 20m height of the horizontal part of the aerial this is only 0.0009 of a wavelength so the aerial is almost on the ground.  This means that over real earth such strong currents will be induced in the earth under the aerial that almost all power in the horizontally polarised field will be converted into heat in its resistance.
Mal, G3KEV commented:


Dick
You are saying that my 4 x inv L antennas each at 120 ft vertical and 400 ft horizontal are only burning up the field under the array.
My signal is reported throughout EU and beyond to Russia and the USA as the strongest on the air only surpassed by MM0ALM when he was active. As far as I can remember he was using 2 x inv L antennas at over 140 ft high using two masts.
I have never used a T antenna, my logic is that the more independent wire in the air the better, you have the benefit in my case of 4 top loaded verticals in parallel. All the bottom ends of the verticals are connected to the top of the loading coil of about 0.3 mh. The top of each L is about 10 feet out from the mast and the drop wires taper to the bottom reducing capacitance to ground.
An inv L antenna is really a top loaded vertical.
I hope you understand what I mean.
Calculations and theoretical assumptions are often way of the mark when it comes to small antenna systems like radio amateurs use on LF.
The only solution is the practical approach, common sense gained with experience and put up the best antenna you can then judge the results. As a matter of interest I have never burnt out any insulators, antenna wires, ground radials or any vegetation underneath the antenna array.
If you are working worldwide on normal CW then you have got it right !!!!!!!
73 de Mal/G3KEV
 
What I said was that the radiation from the horizontal part of a top loaded aerial is largely absorbed in the earth under it because the wire is so near to the surface.
To have a closer look I modeled a 40m long dipole for 136kHz, made of 1.5mm copper wire over real ground at a height  h.  Ground constants are dielectric constant 13; conductivity 5mS/m.

The simulation shows that the maximum of radiation is under an elevation of 90 degrees. The gain is referenced to a half wave dipole in free space.

h in metres    gain in dBd

500                   -2.29
200                   -6.65
100                 -11.84
 50                  -17.44
 20                  -25.40
 10                  -31.48

The numbers speak for themselves.

The radiation by the vertical part of the aerial, that does the work, is not affected by this of course.

73, Dick, PA0SE From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 66194 invoked from network); 5 Jan 2004 16:07:22 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 5 Jan 2004 16:07:22 -0000 Received: (qmail 5058 invoked from network); 5 Jan 2004 16:07:22 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 5 Jan 2004 16:07:19 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AdXGA-0001C2-TM for dave@picks.force9.co.uk; Mon, 05 Jan 2004 16:07:19 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdXFe-00084b-EV for rs_out@blacksheep.org; Mon, 05 Jan 2004 16:06:46 +0000 Received: from [213.218.75.230] (helo=smtp01.freeler.nl) by post.thorcom.com with esmtp (Exim 4.14) id 1AdXFd-00084S-Gb for rsgb_lf_group@blacksheep.org; Mon, 05 Jan 2004 16:06:45 +0000 Received: (qmail 8193 invoked from network); 5 Jan 2004 16:06:45 -0000 X-Fake-Domain: unknown Received: from unknown (HELO w8k3f0.freeler.nl) ([62.21.135.21]) (envelope-sender ) by smtp01.freeler.nl (qmail-ldap-1.03) with SMTP for ; 5 Jan 2004 16:06:44 -0000 Message-ID: <6.0.1.1.2.20040105163748.030b0b60@POP3.freeler.nl> X-Sender: FRE0000086604@POP3.freeler.nl (Unverified) X-Mailer: QUALCOMM Windows Eudora Version 6.0.1.1 Date: Mon, 05 Jan 2004 16:50:54 +0100 To: rsgb_lf_group@blacksheep.org From: "Dick Rollema" In-reply-to: <000f01c3d2e4$db6c7340$0500a8c0@charter.net> References: <6.0.1.1.2.20040103141953.027f19b0@POP3.freeler.nl> <000f01c3d2e4$db6c7340$0500a8c0@charter.net> MIME-Version: 1.0 Subject: Re: LF: Re: TA test PA0SE Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit Dear John,

Though the traces on the screen shots are not too clear I am convinced it is my signal, especially as the frequency tallies with Markus' measurement and there being no other participant on that frequency.
Many thanks John!

Also thanks to KL1X and VO1NA for reporting on my signal.

I am happy that with my small power of 140mW and a moderate aerial I came across.

There were more amateurs who made it over the pond for the first time and I congratulate them all.

I am also grateful to:

* DF6NM for making accurate and high resolution frequency measurements.

*  PA0LQ who lent me his robust valved 300 watt transmitter. At my request Harry even modified his TX so that instead from the internal free running VFO I could drive the transmitter from the W & G SPM12/PS-12 combo at twenty times the transmit frequency.

* I2PHD and ON7YD for writing the receive and transmit software that make these TA tests possible.

73, Dick, PA0SE


At 18:04 4-1-04, you wrote:
Dick,

The original screen shots are posted at:
http://webpages.charter.net/w1tag/files/SNAG-0006.jpg
http://webpages.charter.net/w1tag/files/SNAG-0007.jpg
http://webpages.charter.net/w1tag/files/SNAG-0008.jpg

John Andrews, W1TAG
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 64076 invoked from network); 4 Jan 2004 15:54:07 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 4 Jan 2004 15:54:07 -0000 Received: (qmail 54150 invoked from network); 4 Jan 2004 15:54:07 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 4 Jan 2004 15:54:06 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AdAZp-000Dyb-Bx for dave@picks.force9.co.uk; Sun, 04 Jan 2004 15:54:05 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdAZh-0002TD-4J for rs_out@blacksheep.org; Sun, 04 Jan 2004 15:53:57 +0000 Received: from [213.218.75.235] (helo=smtp06.freeler.nl) by post.thorcom.com with esmtp (Exim 4.14) id 1AdAZf-0002T1-L4 for rsgb_lf_group@blacksheep.org; Sun, 04 Jan 2004 15:53:55 +0000 Received: (qmail 15751 invoked from network); 4 Jan 2004 15:53:55 -0000 X-Fake-Domain: unknown Received: from unknown (HELO w8k3f0.freeler.nl) ([62.21.138.154]) (envelope-sender ) by smtp06.freeler.nl (qmail-ldap-1.03) with SMTP for ; 4 Jan 2004 15:53:52 -0000 Message-ID: <6.0.1.1.2.20040104163146.027efbe0@POP3.freeler.nl> X-Sender: FRE0000086604@POP3.freeler.nl (Unverified) X-Mailer: QUALCOMM Windows Eudora Version 6.0.1.1 Date: Sun, 04 Jan 2004 16:50:19 +0100 To: rsgb_lf_group@blacksheep.org From: "Dick Rollema" In-reply-to: <000601c3d2c3$2bd34e70$b733f7c2@johnb5a82ea1a4> References: <6.0.1.1.2.20031229161651.027e8660@POP3.freeler.nl> <000001c3d009$acf7a620$c7e47f50@Smisan> <6.0.1.1.2.20040103121138.0280f960@POP3.freeler.nl> <000601c3d2c3$2bd34e70$b733f7c2@johnb5a82ea1a4> MIME-Version: 1.0 Subject: Re: LF: Re: "T" versus "L"aerial Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit Dear John,

Computer simulation takes place over perfect ground and shows appreciable horizontally polarised radiation under high elevation angles for the inverted-L aerial .  But even at say 20m height of the horizontal part of the aerial this is only 0.0009 of a wavelength so the aerial is almost on the ground.  This means that over real earth such strong currents will be induced in the earth under the aerial that almost all power in the horizontally polarised field will be converted into heat in its resistance.

 Another point is that for DX the take-off angle should be as low as possible and that is certainly not achieved this way. 

As a ground wave (surface wave) a horizontally polarised cannot exist over a perfect ground and over real earth is so weak that it is of no practical use.

The question has come up before on the reflector and as far as I can remember the conclusion has always been that this is not a viable solution for producing a useful sky wave.

73, Dick, PA0SE

At 10:39 4-1-04, you wrote:
How much horizontally polarised skywave is there and how well does it
propagate?

Would it be worth constructing an aerial that favoured skywave?

73
John Rabson G3PAI

----- Original Message -----
From: "Dick Rollema" <d.w.rollema@freeler.nl>
To: <rsgb_lf_group@blacksheep.org>
Sent: Saturday, January 03, 2004 11:30 AM
Subject: RE: LF: Re: "T" versus "L"aerial


> To All from PA0SE,
>
> Mike,  PC4M, wrote:
>
> At 02:50 1-1-04, you wrote:
> >Dear Dick / Bob and Lofers,
> >
> >Does the computer calculate the earth losses in the return path from the
> >aerial system to the transmitter? If it would then the earth losses in a
T
> >should have been significantly less then the L alternative. There are two
> >separate return currents
> >(parallel resistance) and each with a smaler physical length (lower
> >R-earth)  in a T system resulting in more ERP if compared to an L system.
>
> In the computer simulation no resistances were included. That means that
> the 1 kW fed to the aerial is completely radiated. Even an extremelly
short
> vertical with no top load would do so and produce the calculated 29.9mV/m
> at 10km
>
> Bu the point raised by Bob, ZL2CA, was that the current in the single wire
> topload  of the "L" would generate a horizontally polarised field. In the
> "T" the currents  in the two topload wires flow in opposite directions so
> the horizontally polarised fields caused by these currents would at least
> partially cancel each other.
> The horizontally polarised field is radiated as a sky wave and the power
in
> it detracts from that in the vertically polarised field of the ground
wave.
> If the above reasoning were correct it could be expected that the "T"
would
> produce a stronger ground wave than the "L" because less power disappears
> in the horizontally polarised sky wave.
> The simulation has shown that this is not the case.
>
> The subject of losses in the earth  and surrounding objects has been
> treated very well by Jim, M0BMU, in his e-mail.
>
> 73, Dick, PA0SE
>
>
> >-----Oorspronkelijk bericht-----
> >Van: owner-rsgb_lf_group@blacksheep.org
> >[mailto:owner-rsgb_lf_group@blacksheep.org] Namens Dick Rollema
> >Verzonden: maandag 29 december 2003 16:37
> >Aan: rsgb_lf_group@blacksheep.org
> >Onderwerp: Re: LF: Re: "T" versus "L"aerial
> >
> >To All from PA0SE
> >
> >Bob, ZL2AC wrote:
> >
> >
> >
> >Dick PA0SE,
> >
> >Fine on the test result.  As you stated, the tested T has twice the
amount
> >of top loading wire (2x 20 metres) than the L (1x 20 metres).
> >
> >It would be interesting to know if a T is better than an L for constant
> >length top loading i.e. what the difference is if the upwire joins at the
> >end or the middle of the horizontal top wire (theory suggests the T is
> >better as there is minimal horizontally polarised component).
> >
> >Bob,  I cannot answer your question by a practical experiment but used
> >computer simulation instead by means of K6STI's program Antenna
Optimizer.
> >
> >I modeled two antennas with a vertical element of 20m.  One an Inverted
> >L-antenna with a horizontal top load wire of 40m. The other a T-antenna
> >with a top load of 2 x 20m.
> >Both antennas  without losses, over perfect ground and fed with 1kW.
> >
> >At a distance of 10km (so well outside the near field region) and over
> >perfect ground both antennas produced a vertically polarised field of
> >29.9mV/m. The horizontally polarised field was zero; but this is to be
> >expected because over a perfect conducting ground a horizontal field
> >component cannot exist.
> >
> >73, Dick, PA0SE
> >
> >Original message:
> >
> >
> >To: <mailto:rsgb_lf_group@blacksheep.org>LF-Group
> >Sent: Sunday, December 28, 2003 3:09 AM
> >Subject: LF: "T" versus "L"aerial
> >To All from PA0SE
> >Further to my e-mail of 26 December I measured the field strength as
> >radiated by the aerial in
> >Inverted L-configuration. From this I found EMRP = 57 milliwatt.
> >This confirms the benificial effect of top loading. The T-aerial radiated
> >140 milliwatt.
> >So going from a single 20m top load wire for the "L" to 2 x 20m for the
> >"T" resulted in an improvement by a factor 2.46 (3.9dB) in radiated
power.
> >The vertical part of the "T" consisted of an open wire feedline of 11m
> >with the two wires connected in parallel in the attic shack. For the "L"
> >one of the feedline wires was removed. I assume this did not appreciably
> >affect the EMRP.
> >73, Dick, PA0SE
>
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 83531 invoked from network); 4 Jan 2004 14:59:01 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 4 Jan 2004 14:59:01 -0000 Received: (qmail 1032 invoked from network); 4 Jan 2004 14:59:01 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 4 Jan 2004 14:58:58 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Ad9iT-000Pyb-Vk for dave@picks.force9.co.uk; Sun, 04 Jan 2004 14:58:58 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ad9hx-0001kz-R1 for rs_out@blacksheep.org; Sun, 04 Jan 2004 14:58:25 +0000 Received: from [213.218.75.231] (helo=smtp02.freeler.nl) by post.thorcom.com with esmtp (Exim 4.14) id 1Ad9ho-0001kq-P4 for rsgb_lf_group@blacksheep.org; Sun, 04 Jan 2004 14:58:16 +0000 Received: (qmail 21987 invoked from network); 4 Jan 2004 14:58:13 -0000 X-Fake-Domain: unknown Received: from unknown (HELO w8k3f0.freeler.nl) ([62.21.138.3]) (envelope-sender ) by smtp02.freeler.nl (qmail-ldap-1.03) with SMTP for ; 4 Jan 2004 14:58:11 -0000 Message-ID: <6.0.1.1.2.20040104145328.038a80d0@POP3.freeler.nl> X-Sender: FRE0000086604@POP3.freeler.nl (Unverified) X-Mailer: QUALCOMM Windows Eudora Version 6.0.1.1 Date: Sun, 04 Jan 2004 15:29:15 +0100 To: rsgb_lf_group@blacksheep.org From: "Dick Rollema" In-reply-to: <006401c3d21e$16191420$03c828c3@captbrian> References: <6.0.1.1.2.20031229161651.027e8660@POP3.freeler.nl> <000001c3d009$acf7a620$c7e47f50@Smisan> <6.0.1.1.2.20040103121138.0280f960@POP3.freeler.nl> <006401c3d21e$16191420$03c828c3@captbrian> MIME-Version: 1.0 Subject: Re: LF: Re: "T" versus "L"aerial Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit To All from PA0SE

Bryan, G3GVB wrote:


Then the simulation must surely be wrong.!
 I spent a long time reading a  160/80 m antenna book by ON4 ??  before
realising that the performance of various antenna configurations confidently
reported as  if they actually existed, were in fact only the result of
computer simulations.

The simulation is certainly right under the conditions used as input.  One of the conditions I used was that no resistance existed in the aerial system. This is certainly not realistic; but the effect of resistance is that the actual power radiated is less than  the simulation indicated because power is lost in the resistance of the wire and in the earth that forms part of the return path for the aerial current. But this does not affect the shape of the radiation pattern. 


That you can get vertically radiated horizontally polarised radiation for
_nothing_ using the simulation program has to tell you something about its
limitations .

I had a look at the radiation pattern of the horizontally polarised field. In the case of the "L" there is maximum under 90 degrees elevation: straight up.
For the "T" there is a minimum under 90 degrees. But the pattern is split into two lobes with maxima under 45 and 135 degrees, so there is no complete cancellation.

The radiation pattern for the vertically polarised field over both perfect and real ground is identical for "L" and "T".  When you consider the top load wires as capacitors to earth it is reasonable that the total capacitance is the same for a single wire of 40 m or two wires of 20 m in opposite directions.  So the "extra" current in the vertical leg due to the top loading "capacitors" is also the same. And because the current in the vertical part of the aerial generates the vertically polarised field it is logical that the radiation patterns of "L" and "T" are identical.


Both the book and the programs are very  good indicators but not _absolute.
truths_

Very true.  But both are still very useful as long as the limitations inherent in the modeling of an aerial are kept in mind and the results make sense.

73, Dick, PA0SE



----- Original Message -----
From: "Dick Rollema" <d.w.rollema@freeler.nl>
To: <rsgb_lf_group@blacksheep.org>
Sent: 03 January 2004 11:30
Subject: RE: LF: Re: "T" versus "L"aerial
>

>
> Bu the point raised by Bob, ZL2CA, was that the current in the single wire
> topload  of the "L" would generate a horizontally polarised field. In the
> "T" the currents  in the two topload wires flow in opposite directions so
> the horizontally polarised fields caused by these currents would at least
> partially cancel each other.


> The horizontally polarised field is radiated as a sky wave and the power
in
> it detracts from that in the vertically polarised field of the ground
wave.
> If the above reasoning were correct it could be expected that the "T"
would
> produce a stronger ground wave than the "L" because less power disappears
> in the horizontally polarised sky wave.


> ****The simulation has shown that this is not the case.****
>
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 33861 invoked from network); 3 Jan 2004 13:28:37 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 3 Jan 2004 13:28:37 -0000 Received: (qmail 18138 invoked from network); 3 Jan 2004 13:28:37 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 3 Jan 2004 13:28:34 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AclpS-0004bl-9G for dave@picks.force9.co.uk; Sat, 03 Jan 2004 13:28:34 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Aclp4-0004qa-9B for rs_out@blacksheep.org; Sat, 03 Jan 2004 13:28:10 +0000 Received: from [213.218.75.232] (helo=smtp03.freeler.nl) by post.thorcom.com with esmtp (Exim 4.14) id 1Aclp3-0004qR-RT for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 13:28:09 +0000 Received: (qmail 15125 invoked from network); 3 Jan 2004 13:28:09 -0000 X-Fake-Domain: unknown Received: from unknown (HELO w8k3f0.freeler.nl) ([62.21.149.48]) (envelope-sender ) by smtp03.freeler.nl (qmail-ldap-1.03) with SMTP for ; 3 Jan 2004 13:28:08 -0000 Message-ID: <6.0.1.1.2.20040103141953.027f19b0@POP3.freeler.nl> X-Sender: FRE0000086604@POP3.freeler.nl (Unverified) X-Mailer: QUALCOMM Windows Eudora Version 6.0.1.1 Date: Sat, 03 Jan 2004 14:22:25 +0100 To: "LF-Group" From: "Dick Rollema" MIME-Version: 1.0 Subject: LF: TA test PA0SE Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit To All  from PA0SE

When it stays dry I intend to do some QRSS120 beaconing on 135922kHz, starting at about 2200 UTC today.

73, Dick, PA0SE From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 21508 invoked from network); 3 Jan 2004 12:39:58 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 3 Jan 2004 12:39:58 -0000 Received: (qmail 54998 invoked from network); 3 Jan 2004 12:39:57 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 3 Jan 2004 12:39:57 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Acl4O-000ECU-MS for dave@picks.force9.co.uk; Sat, 03 Jan 2004 12:39:56 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Acl42-000453-BC for rs_out@blacksheep.org; Sat, 03 Jan 2004 12:39:34 +0000 Received: from [213.218.75.232] (helo=smtp03.freeler.nl) by post.thorcom.com with esmtp (Exim 4.14) id 1Acl41-00044u-2o for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 12:39:33 +0000 Received: (qmail 6301 invoked from network); 3 Jan 2004 12:39:32 -0000 X-Fake-Domain: unknown Received: from unknown (HELO w8k3f0.freeler.nl) ([62.21.149.32]) (envelope-sender ) by smtp03.freeler.nl (qmail-ldap-1.03) with SMTP for ; 3 Jan 2004 12:39:30 -0000 Message-ID: <6.0.1.1.2.20040103121138.0280f960@POP3.freeler.nl> X-Sender: FRE0000086604@POP3.freeler.nl (Unverified) X-Mailer: QUALCOMM Windows Eudora Version 6.0.1.1 Date: Sat, 03 Jan 2004 12:30:09 +0100 To: rsgb_lf_group@blacksheep.org From: "Dick Rollema" In-reply-to: <000001c3d009$acf7a620$c7e47f50@Smisan> References: <6.0.1.1.2.20031229161651.027e8660@POP3.freeler.nl> <000001c3d009$acf7a620$c7e47f50@Smisan> MIME-Version: 1.0 Subject: RE: LF: Re: "T" versus "L"aerial Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.2 required=5.0 tests=HTML_FONTCOLOR_BLUE,HTML_FONT_BIG,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit To All from PA0SE,

Mike,  PC4M, wrote:

At 02:50 1-1-04, you wrote:
Dear Dick / Bob and Lofers,
 
Does the computer calculate the earth losses in the return path from the aerial system to the transmitter? If it would then the earth losses in a T should have been significantly less then the L alternative. There are two separate return currents
(parallel resistance) and each with a smaler physical length (lower R-earth)  in a T system resulting in more ERP if compared to an L system.

In the computer simulation no resistances were included. That means that the 1 kW fed to the aerial is completely radiated. Even an extremelly short vertical with no top load would do so and produce the calculated 29.9mV/m at 10km

Bu the point raised by Bob, ZL2CA, was that the current in the single wire topload  of the "L" would generate a horizontally polarised field. In the "T" the currents  in the two topload wires flow in opposite directions so the horizontally polarised fields caused by these currents would at least partially cancel each other.
The horizontally polarised field is radiated as a sky wave and the power in it detracts from that in the vertically polarised field of the ground wave.
If the above reasoning were correct it could be expected that the "T" would produce a stronger ground wave than the "L" because less power disappears in the horizontally polarised sky wave.
The simulation has shown that this is not the case.

The subject of losses in the earth  and surrounding objects has been treated very well by Jim, M0BMU, in his e-mail.

73, Dick, PA0SE


-----Oorspronkelijk bericht-----
Van: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org] Namens Dick Rollema
Verzonden: maandag 29 december 2003 16:37
Aan: rsgb_lf_group@blacksheep.org
Onderwerp: Re: LF: Re: "T" versus "L"aerial
 
To All from PA0SE

Bob, ZL2AC wrote:



Dick PA0SE,
 
Fine on the test result.  As you stated, the tested T has twice the amount of top loading wire (2x 20 metres) than the L (1x 20 metres).
 
It would be interesting to know if a T is better than an L for constant length top loading i.e. what the difference is if the upwire joins at the end or the middle of the horizontal top wire (theory suggests the T is better as there is minimal horizontally polarised component).
 
Bob,  I cannot answer your question by a practical experiment but used computer simulation instead by means of K6STI's program Antenna Optimizer.

I modeled two antennas with a vertical element of 20m.  One an Inverted L-antenna with a horizontal top load wire of 40m. The other a T-antenna with a top load of 2 x 20m.
Both antennas  without losses, over perfect ground and fed with 1kW.

At a distance of 10km (so well outside the near field region) and over perfect ground both antennas produced a vertically polarised field of 29.9mV/m. The horizontally polarised field was zero; but this is to be expected because over a perfect conducting ground a horizontal field component cannot exist.

73, Dick, PA0SE

Original message:


To: LF-Group
Sent: Sunday, December 28, 2003 3:09 AM
Subject: LF: "T" versus "L"aerial
To All from PA0SE
Further to my e-mail of 26 December I measured the field strength as radiated by the aerial in
Inverted L-configuration. From this I found EMRP = 57 milliwatt.
This confirms the benificial effect of top loading. The T-aerial radiated 140 milliwatt.
So going from a single 20m top load wire for the "L" to 2 x 20m for the "T" resulted in an improvement by a factor 2.46 (3.9dB) in radiated power.
The vertical part of the "T" consisted of an open wire feedline of 11m with the two wires connected in parallel in the attic shack. For the "L" one of the feedline wires was removed. I assume this did not appreciably affect the EMRP.
73, Dick, PA0SE
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 76789 invoked from network); 3 Jan 2004 12:39:57 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 3 Jan 2004 12:39:57 -0000 Received: (qmail 56431 invoked from network); 3 Jan 2004 12:39:57 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 3 Jan 2004 12:39:55 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Acl4N-000EZE-B7 for dave@picks.force9.co.uk; Sat, 03 Jan 2004 12:39:55 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Acl44-00045G-CO for rs_out@blacksheep.org; Sat, 03 Jan 2004 12:39:36 +0000 Received: from [213.218.75.232] (helo=smtp03.freeler.nl) by post.thorcom.com with esmtp (Exim 4.14) id 1Acl43-000457-8Q for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 12:39:35 +0000 Received: (qmail 6342 invoked from network); 3 Jan 2004 12:39:35 -0000 X-Fake-Domain: unknown Received: from unknown (HELO w8k3f0.freeler.nl) ([62.21.149.32]) (envelope-sender ) by smtp03.freeler.nl (qmail-ldap-1.03) with SMTP for ; 3 Jan 2004 12:39:34 -0000 Message-ID: <6.0.1.1.2.20040103123034.02811d20@POP3.freeler.nl> X-Sender: FRE0000086604@POP3.freeler.nl (Unverified) X-Mailer: QUALCOMM Windows Eudora Version 6.0.1.1 Date: Sat, 03 Jan 2004 12:36:24 +0100 To: rsgb_lf_group@blacksheep.org From: "Dick Rollema" In-reply-to: <158.2adba09b.2d27ae53@aol.com> References: <158.2adba09b.2d27ae53@aol.com> MIME-Version: 1.0 Subject: LF: T/A success for DF6NM Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit Dear Markus,

It seems you made it over the Atlantic. Congratulations!  And that with a miniMal power of 170 mW!

Am I right that you are the second continental station after CT1DRP that crossed the Atlantic?

I wish you and all LFers a happy, healthy and peaceful 2004 with lots of LF activity.

73, Dick, PA0SE



At 06:34 3-1-04, you wrote:
Hi Laurence,

http://www.kl1x.com/ARGO3/42200275.jpg
- wow, thats much better than I had dared to expect ;-)

Will leave my TX on till ~7:30, past sunrise.

Thanks a lot
Markus


In einer eMail vom 03.01.2004 03:32:28 Westeuropäische Normalzeit schreibt hellozerohellozero@hotmail.com:

0230Z

I have dfcw signal 135,922.3 and 4 (hi) and dot 60 signal on 135,923,36 or
so

Heavy qrn from splurge mucking things up...

Laurence
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 49798 invoked from network); 31 Jan 2004 12:04:35 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 31 Jan 2004 12:04:35 -0000 Received: (qmail 93636 invoked from network); 31 Jan 2004 12:04:35 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 31 Jan 2004 12:04:34 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AmtrW-000OEg-9d for dave@picks.force9.co.uk; Sat, 31 Jan 2004 12:04:34 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Amtqq-0005Mn-QH for rs_out@blacksheep.org; Sat, 31 Jan 2004 12:03:52 +0000 Received: from [194.25.134.21] (helo=mailout10.sul.t-online.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Amtqq-0005Me-Ag for rsgb_lf_group@blacksheep.org; Sat, 31 Jan 2004 12:03:52 +0000 X-Fake-Domain: fwd05.aul.t-online.de Received: from fwd05.aul.t-online.de by mailout10.sul.t-online.com with smtp id 1Amtqp-0004bU-01; Sat, 31 Jan 2004 13:03:51 +0100 X-Fake-Domain: oben Received: from oben (rIJteOZ-ZecEFaPp3Dy5uZ8xtB4wN5CEUMo0bqNYL8Vw7IAARvVR4l@[217.88.169.115]) by fwd05.sul.t-online.com with smtp id 1Amtqn-1k05wW0; Sat, 31 Jan 2004 13:03:49 +0100 X-Bad-Message-ID: no DNS (oben) Message-ID: <000f01c3e7f2$47c1a200$ee9bfea9@oben> From: "dj9dw" To: "LF_group" Date: Sat, 31 Jan 2004 13:03:46 +0100 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2720.3000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Seen: false X-ID: rIJteOZ-ZecEFaPp3Dy5uZ8xtB4wN5CEUMo0bqNYL8Vw7IAARvVR4l Subject: LF: My G0MRF X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-type: text/plain; charset=windows-1252; format=flowed MIME-Version: 1.0 Content-transfer-encoding: 8bit Hi group, some might remember my flee for help, as I had bad ringing on T2, high current and low output. Now I figured, that there was an overlapping in switchtime. SPSUs use to have abt 48% dutycycle on each half. I had over 50% on-time on the FETs. By cutting off the schottkys, I managed to get that thing running. Not yet measured ultimate power, but at 200W in I get somewhat over 160W out. What did that teach me? Never trust nobody, not even a schematic, hi. Thanks to those who tried to help and 73 to all of you, Peter, dj9dw. From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 80535 invoked from network); 20 Jan 2004 14:43:37 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 20 Jan 2004 14:43:37 -0000 Received: (qmail 35810 invoked from network); 20 Jan 2004 14:43:37 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 20 Jan 2004 14:43:35 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Aix6N-0009C9-CO for dave@picks.force9.co.uk; Tue, 20 Jan 2004 14:43:35 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Aix5U-0005zK-Mq for rs_out@blacksheep.org; Tue, 20 Jan 2004 14:42:40 +0000 Received: from [194.25.134.19] (helo=mailout06.sul.t-online.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Aix5T-0005zB-Lo for rsgb_lf_group@blacksheep.org; Tue, 20 Jan 2004 14:42:39 +0000 X-Fake-Domain: fwd00.aul.t-online.de Received: from fwd00.aul.t-online.de by mailout06.sul.t-online.com with smtp id 1Aix5S-0002V9-01; Tue, 20 Jan 2004 15:42:38 +0100 X-Fake-Domain: oben Received: from oben (b7vH2UZY8eVC5RaQOcpwxSBUVS7YL4oZt5-wPNzI-b9eAD4BcR4igH@[217.88.171.213]) by fwd00.sul.t-online.com with smtp id 1Aix4j-0LnXNY0; Tue, 20 Jan 2004 15:41:53 +0100 X-Bad-Message-ID: no DNS (oben) Message-ID: <000d01c3df63$892d0050$ee9bfea9@oben> From: "dj9dw" To: rsgb_lf_group@blacksheep.org References: <1074543877.400c3d051a334@webmail2.kuleuven.be> <5.1.0.14.0.20040120090129.0362e1d0@u0019445.kuleuven.be> Date: Tue, 20 Jan 2004 15:41:48 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2720.3000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Seen: false X-ID: b7vH2UZY8eVC5RaQOcpwxSBUVS7YL4oZt5-wPNzI-b9eAD4BcR4igH Subject: Re: LF: Where to get TC44... and MUR1660?? Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_20_30,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
Hi Dick and Rik,
Farnell sells minimum 100 pieces TC4426.
RS-Component delivers one single chip for abt 2.73 Pounds. G0MRF should have this driver too.
73, Peter, dj9dw.
----- Original Message -----
Sent: Tuesday, January 20, 2004 9:08 AM
Subject: Re: LF: Where to get TC44... and MUR1660??

Dick,

they have all the TC44xx drivers at Farnell.
Be aware that the TC4421/22 are 9 Amp. versions and rather expensive (arround 10 Euro) while the TC4426/27 are 1.5 Amp. versions and cost less than 2 Euro.
The 1.5 Amp. version can drive a couple of FET's without any problem.

You can reach Farnell : 73, Rik  ON7YD

At 22:59 19/01/2004 +0100, you wrote:
Hello all,

I am wondering where I can get (one of) the following components:

TC4421
TC4422
TC4426
MUR1660CT

A google search didn't deliver a resonable result.
I am looking for a store/firm in Holland or Germany, as this is
the easiest way in case of ordering/paying.

Any suggestions??

Meanwhile I started to build the first part for my 136kHz station:
the 1370kHz VFO..........
The rest will be a lot of bits and pieces from various designs, likely
resulting in a QRPP transmitter capable of producing 100Watt or so.

73

Dick, PA4VHF (JO32eh)
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 44659 invoked from network); 11 Jan 2004 22:02:36 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 11 Jan 2004 22:02:36 -0000 Received: (qmail 32955 invoked from network); 11 Jan 2004 22:02:35 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 11 Jan 2004 22:02:34 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AfnfG-0008SZ-J3 for dave@picks.force9.co.uk; Sun, 11 Jan 2004 22:02:34 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Afnem-0006uH-0f for rs_out@blacksheep.org; Sun, 11 Jan 2004 22:02:04 +0000 Received: from [194.25.134.18] (helo=mailout04.sul.t-online.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Afnel-0006u4-9z for rsgb_lf_group@blacksheep.org; Sun, 11 Jan 2004 22:02:03 +0000 X-Fake-Domain: fwd00.aul.t-online.de Received: from fwd00.aul.t-online.de by mailout04.sul.t-online.com with smtp id 1Afnek-0004HU-03; Sun, 11 Jan 2004 23:02:02 +0100 X-Fake-Domain: oben Received: from oben (TDKzieZEQeajnoV6FvyC3BEZI6sOhqdHXmREOXzf+FNuXZPA6jbpcj@[217.88.163.172]) by fwd00.sul.t-online.com with smtp id 1Afnea-09rHii0; Sun, 11 Jan 2004 23:01:52 +0100 X-Bad-Message-ID: no DNS (oben) Message-ID: <001301c3d88e$844a66d0$ee9bfea9@oben> From: "dj9dw" To: rsgb_lf_group@blacksheep.org References: <5047BBB4.205C80C5.0000CE2C@aol.com> Date: Sun, 11 Jan 2004 23:01:50 +0100 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2720.3000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Seen: false X-ID: TDKzieZEQeajnoV6FvyC3BEZI6sOhqdHXmREOXzf+FNuXZPA6jbpcj Subject: Re: LF: T2-ringing X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-type: text/plain; charset=windows-1252; format=flowed MIME-Version: 1.0 Content-transfer-encoding: 8bit the choke is the only device, that I did not change. All the other methods were tried and invain. However, I did not dare connecting D to S for the reasons, you mentioned. I even thought of the PSU, which is stabilized by 5 times 3055. Is that cazy? That's what a problem can make out of me, hi. Running on 32Volts by 8 Amps - still ringing. If I aproximate a t37-core to T2, frequency decreases...shure. C-R-combination on drain makes heat, only. 50 Ohm dirct at T2 still ringing. LPF was hooked on network: PERFECT!. Will try the coke one of these days. Tks so far es 73, Peter, dj9dw. ----- Original Message ----- From: To: Sent: Sunday, January 11, 2004 7:14 PM Subject: Re: LF: T2-ringing > In a message dated 1/11/2004 12:30:03 PM Eastern Standard Time, dj9dw@t-online.de writes: > > > nonconducting side. Eather a steady current and heat on the > > FET's or by > > adding a cap from D to G. > > This may be a mistake, but please remember you may have peaks to 200V on the drains and a limit of 20V (ish) on the gates. Any capacitor as suggested will destroy the devices in an instant. > I have seen a few 'mods' including a zobel network i.e. a capacitor and resistor in series between drain and ground. This does de-Q the circuit quite well. Changes in value of the normal drain to ground 10nF will have some effect but it's likely to change any resonant frequency without reducing the Q or the total peak voltage. Bob G8RW ran his unit at over 300W and had installed 'transorbs' that conducted just below the max drain limit of the FETs. However, Bob's just had a single peak at the switch on / off points and not the 'ringing' described here. It may be worth looking at the T94-2 core / decoupling caps as well if ringing is at 1MHz+ > > 73 > > David G0MRF > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 15999 invoked from network); 6 Jan 2004 21:53:20 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 6 Jan 2004 21:53:20 -0000 Received: (qmail 72993 invoked from network); 6 Jan 2004 21:53:20 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 6 Jan 2004 21:53:19 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Adz8Z-000Isa-DX for dave@picks.force9.co.uk; Tue, 06 Jan 2004 21:53:19 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Adz87-0002Sf-P3 for rs_out@blacksheep.org; Tue, 06 Jan 2004 21:52:51 +0000 Received: from [194.25.134.85] (helo=mailout11.sul.t-online.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Adz87-0002SW-89 for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2004 21:52:51 +0000 X-Fake-Domain: fwd06.aul.t-online.de Received: from fwd06.aul.t-online.de by mailout11.sul.t-online.com with smtp id 1Adz86-00050b-04; Tue, 06 Jan 2004 22:52:50 +0100 X-Fake-Domain: oben Received: from oben (TDxtPuZboef-52v9MMQTYtykuoH1GY1SaN+tD5JRphPRQX3P80GBEE@[217.88.160.209]) by fwd06.sul.t-online.com with smtp id 1Adz7k-0AbCt60; Tue, 6 Jan 2004 22:52:28 +0100 X-Bad-Message-ID: no DNS (oben) Message-ID: <002401c3d49f$5ff22860$ee9bfea9@oben> From: "dj9dw" To: "LF_group" Date: Tue, 6 Jan 2004 22:52:26 +0100 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2720.3000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Seen: false X-ID: TDxtPuZboef-52v9MMQTYtykuoH1GY1SaN+tD5JRphPRQX3P80GBEE Subject: LF: G0MRX-TX X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-type: text/plain; charset=windows-1252; format=flowed MIME-Version: 1.0 Content-transfer-encoding: 8bit Hi Laurence,Alan,Eric and Bernd, tks 4 info on T2. You stopped me from midnightrewinding on that core, and that comes close to fingerbreaking, hi. All the caps are higher voltage but, Laurence, what did you mean by 1000uF close to the board? Should I... So on we go on that miracle. Berst regards, Peter, dj9dw From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 41286 invoked from network); 6 Jan 2004 19:01:34 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 6 Jan 2004 19:01:34 -0000 Received: (qmail 40968 invoked from network); 6 Jan 2004 19:01:34 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 6 Jan 2004 19:01:33 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AdwSL-000AXk-Hg for dave@picks.force9.co.uk; Tue, 06 Jan 2004 19:01:33 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdwRu-0008R1-2u for rs_out@blacksheep.org; Tue, 06 Jan 2004 19:01:06 +0000 Received: from [194.25.134.81] (helo=mailout03.sul.t-online.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AdwRr-0008Qs-GK for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2004 19:01:03 +0000 X-Fake-Domain: fwd09.aul.t-online.de Received: from fwd09.aul.t-online.de by mailout03.sul.t-online.com with smtp id 1AdwRq-0007Tt-01; Tue, 06 Jan 2004 20:01:02 +0100 X-Fake-Domain: oben Received: from oben (bdFf2MZbrelY2VHNrifNUGuqXYvcjVeD744bXcv-MPWB2Ad52fbEZe@[80.128.185.117]) by fwd09.sul.t-online.com with smtp id 1AdwR3-1x51Ae0; Tue, 6 Jan 2004 20:00:13 +0100 X-Bad-Message-ID: no DNS (oben) Message-ID: <001401c3d487$504b2000$ee9bfea9@oben> From: "dj9dw" To: "LF_group" Date: Tue, 6 Jan 2004 20:00:12 +0100 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2720.3000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Seen: false X-ID: bdFf2MZbrelY2VHNrifNUGuqXYvcjVeD744bXcv-MPWB2Ad52fbEZe Subject: LF: 300W-TX-G0MRF X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-type: text/plain; charset=windows-1252; format=flowed MIME-Version: 1.0 Content-transfer-encoding: 8bit Hello group, as I can't get in contact with David, G0MRF, I want to spread out my problem here. The TX works fine except the outputtransformer T2. There is heavy ringing at abt 1 MHz. Now I figured, the inductance seems to be abt 300uH from drain to drain. That shure is far too much. Could it be that David has changed the toroid - type to one with higher u so that 10 turns primary has to be reduced? Your help is very welcom, I am stuck. Regards, dj9dw, Peter. From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 86504 invoked from network); 19 Jan 2004 11:46:51 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 19 Jan 2004 11:46:51 -0000 Received: (qmail 79894 invoked from network); 19 Jan 2004 11:46:51 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-MSMail-Priority: Normal Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 19 Jan 2004 11:46:49 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AiXrl-000KfL-S6 for dave@picks.force9.co.uk; Mon, 19 Jan 2004 11:46:49 +0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AiXr9-0000PU-9s for rs_out@blacksheep.org; Mon, 19 Jan 2004 11:46:11 +0000 X-No-DNS-For: 80.68.4.13 Received: from [80.68.4.13] (helo=relay.dx.ru) by post.thorcom.com with smtp (Exim 4.14) id 1AiXr7-0000PC-T2 for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 11:46:10 +0000 Received: (qmail 88236 invoked from network); 19 Jan 2004 14:45:38 +0300 X-Fake-Domain: ed.dx Received: from ed.dx (10.0.1.11) by unix.dx with SMTP; 19 Jan 2004 14:45:38 +0300 Date: Mon, 19 Jan 2004 11:45:25 +0000 From: "Ed Lesnichy" X-Suspect-Bulk-Mailer: The Bat! X-Mailer: The Bat! (v1.60q) Personal Organization: Ed Lesnichy X-Priority: 3 Message-ID: <4010040925.20040119114525@dx.ru> To: rsgb_lf_group@blacksheep.org In-reply-to: <001301c3de7a$dade8b60$fe79a8c0@PCVONWALTER> References: <001301c3de7a$dade8b60$fe79a8c0@PCVONWALTER> MIME-Version: 1.0 Subject: LF: RU6LA acty Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Dear LF-enthusiasts! I have returned from a Machta (KN97LN) Has received much e-mails (TNX!). The summary later... Some conclusions from last acty: the propagation was very unstable on a distance up to 3000km at the night but for me there was by a surprise a very good and stable propagation to daytime (Jan 18) I made beacons: Jan 16-17 abt 23-6z 135.922+ QRSS60 Jan 17 at daytime 137.7 QRSS3 Jan 17-18 abt 23-4z QRSS60 with some 30min RX 137.777 in QRSS30 Jan 18 at daytime till abt 12z 137.7 QRSS3 Jan 18-19 22-5z 135.922+ QRSS60 Nothing on 137.777 ;-( How in Northen America? Have carried out with Vlad UA6LV some experiments with ANTs on 160/80 (CQ WW 160m at next weekend) - too had surprises 73! Ed RU6LA ed@dx.ru http://136.73.ru P.S. I have no any msgs from Rich's trip and any OM2TW's captures on 136kHz ;-( From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 46268 invoked from network); 14 Jan 2004 13:18:12 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 14 Jan 2004 13:18:12 -0000 Received: (qmail 81863 invoked from network); 14 Jan 2004 13:18:12 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-MSMail-Priority: Normal Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 14 Jan 2004 13:18:02 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AgkuI-000Kw7-5u for dave@picks.force9.co.uk; Wed, 14 Jan 2004 13:18:02 +0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Agku1-0003DC-Ie for rs_out@blacksheep.org; Wed, 14 Jan 2004 13:17:45 +0000 X-No-DNS-For: 80.68.4.13 Received: from [80.68.4.13] (helo=relay.dx.ru) by post.thorcom.com with smtp (Exim 4.14) id 1Agku0-0003CV-M7 for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 13:17:44 +0000 Received: (qmail 893 invoked from network); 14 Jan 2004 16:17:13 +0300 X-Fake-Domain: ed.dx Received: from ed.dx (10.0.1.11) by unix.dx with SMTP; 14 Jan 2004 16:17:13 +0300 Date: Wed, 14 Jan 2004 16:16:57 +0000 X-Bad-From: No DNS (dx.ru) From: "Ed Lesnichy" X-Suspect-Bulk-Mailer: The Bat! X-Mailer: The Bat! (v1.60q) Personal Organization: Ed Lesnichy X-Priority: 3 Message-ID: <02501038.20040114161657@dx.ru> To: "Rik Strobbe" In-reply-to: <5.1.0.14.0.20040114120559.0329e590@u0019445.kuleuven.be> References: <5.1.0.14.0.20040114120559.0329e590@u0019445.kuleuven.be> MIME-Version: 1.0 Subject: LF: Key in QRS?? Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 4 Dear Rik, I for a field/DXpedition conditions should carry an external electronic key or ordinary key for realization CW QSOs. Such external key to me should be connected to TX. It would be convenient to have a key(from PC's keyboard) in QRS. A keyboard's key in the program have all contest-programs. Hot key is standart: ALT-K for enable/disable keyboard CW mode and open/close small window, and ALT-V for set(Vary) CW speed. All external connections PC - TX already are in PC(QRS)- TX Whether probably such to add internal keyboard's key in next QRS's versions and under same interface (as for QRSS) via COM/LPT? TNX for QRS! 73! Ed RU6LA ed@dx.ru http://136.73.ru P.S. Do you received my special QSL-card? From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 25281 invoked from network); 12 Jan 2004 08:40:52 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 12 Jan 2004 08:40:52 -0000 Received: (qmail 68535 invoked from network); 12 Jan 2004 08:40:51 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-MSMail-Priority: Normal Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 12 Jan 2004 08:40:51 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Afxcw-000Hii-VB for dave@picks.force9.co.uk; Mon, 12 Jan 2004 08:40:51 +0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AfxcX-00021f-MY for rs_out@blacksheep.org; Mon, 12 Jan 2004 08:40:25 +0000 X-No-DNS-For: 80.68.4.13 Received: from [80.68.4.13] (helo=relay.dx.ru) by post.thorcom.com with smtp (Exim 4.14) id 1AfxcX-00021E-1X for rsgb_lf_group@blacksheep.org; Mon, 12 Jan 2004 08:40:25 +0000 Received: (qmail 18902 invoked from network); 12 Jan 2004 11:39:54 +0300 X-Fake-Domain: ed.dx Received: from ed.dx (10.0.1.11) by unix.dx with SMTP; 12 Jan 2004 11:39:54 +0300 Date: Mon, 12 Jan 2004 11:39:40 +0000 From: "Ed Lesnichy" X-Suspect-Bulk-Mailer: The Bat! X-Mailer: The Bat! (v1.60q) Personal Organization: Ed Lesnichy X-Priority: 3 Message-ID: <705920758.20040112113940@dx.ru> To: rsgb_lf_group@blacksheep.org In-reply-to: <003101c3d8b1$f0de0900$e4bc7ad5@rogersservices> References: <1d7.17e682e8.2d326c53@aol.com> <003101c3d8b1$f0de0900$e4bc7ad5@rogersservices> MIME-Version: 1.0 Subject: LF: Big Vertical is restored Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Dear LF-enthusiasts! In past weekend (Jan 10-11) I and Vlad UA6LV have restored ours Big Vertical, which was broke in December at very strong ice On the following weekend (Jan 16...18) we plan activity on 136kHz in CW and QRSS. Also I plan to give QRSS60 beacons at 135.922 - 136.923 segment from 22...23z up to sunrise at Machta - abt 0515z 73! Ed RU6LA ed@dx.ru http://136.73.ru From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 84754 invoked from network); 12 Jan 2004 08:19:34 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 12 Jan 2004 08:19:34 -0000 Received: (qmail 35011 invoked from network); 12 Jan 2004 08:19:34 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-MSMail-Priority: Normal Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 12 Jan 2004 08:19:29 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AfxIG-0008wi-Va for dave@picks.force9.co.uk; Mon, 12 Jan 2004 08:19:29 +0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AfxHY-0001c8-60 for rs_out@blacksheep.org; Mon, 12 Jan 2004 08:18:44 +0000 X-No-DNS-For: 80.68.4.13 Received: from [80.68.4.13] (helo=relay.dx.ru) by post.thorcom.com with smtp (Exim 4.14) id 1AfxHW-0001bw-VQ for rsgb_lf_group@blacksheep.org; Mon, 12 Jan 2004 08:18:43 +0000 Received: (qmail 18196 invoked from network); 12 Jan 2004 11:18:07 +0300 X-Fake-Domain: ed.dx Received: from ed.dx (10.0.1.11) by unix.dx with SMTP; 12 Jan 2004 11:18:07 +0300 Date: Mon, 12 Jan 2004 11:17:54 +0000 From: "Ed Lesnichy" X-Suspect-Bulk-Mailer: The Bat! X-Mailer: The Bat! (v1.60q) Personal Organization: Ed Lesnichy X-Priority: 3 Message-ID: <304614133.20040112111754@dx.ru> To: rsgb_lf_group@blacksheep.org In-reply-to: <007a01c3d870$20dd0bc0$0500a8c0@charter.net> References: <007a01c3d870$20dd0bc0$0500a8c0@charter.net> MIME-Version: 1.0 Subject: LF: Re: First WOLF QSO! Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 John, Dex and LF-enthusiasts! My congratulations to John W1TAG and Dex W4DEX! It is remarkable result at such very small ERP! I believe what to RX a very weak signal at 1w DC input max (not 1w ERP!!), and antenna less than 15m on distance abt 1080km it is very difficult in any modes...probably in WOLF is especial...and at the daytime... On what greatest distance it was possible to RX in long QRSS such small ERP at night? US's Lowfers have saved wide experience in reception of very weak signals on LF - when already they will appear on 136 or 160-190kHz for longway 2-way QSO with high-grade ERP? The first(?) reception of Europe signal in North America on WOLF: John W1TAG RX Jim M0BMU at March 9, 2001 at QRB abt 5307km Whether who has made 2-way QSO on WOLF in Europe? When (date) Stewart KK7KA has made WOLF mode? 73! Ed RU6LA ed@dx.ru http://136.73.ru From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 11600 invoked from network); 12 Jan 2004 17:19:38 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 12 Jan 2004 17:19:38 -0000 Content-Transfer-Encoding: 8bit Received: (qmail 76633 invoked from network); 12 Jan 2004 17:19:38 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 12 Jan 2004 17:19:34 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Ag5iw-000JhJ-Ge for dave@picks.force9.co.uk; Mon, 12 Jan 2004 17:19:34 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ag5ie-0004Gj-Np for rs_out@blacksheep.org; Mon, 12 Jan 2004 17:19:16 +0000 Received: from [64.164.98.52] (helo=mtaw4.prodigy.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Ag5id-0004Ga-OG for rsgb_lf_group@blacksheep.org; Mon, 12 Jan 2004 17:19:15 +0000 Received: from willow.nutstreet.net (adsl-66-137-58-174.dsl.tulsok.swbell.net [66.137.58.174]) by mtaw4.prodigy.net (8.12.10/8.12.10) with ESMTP id i0CHJ2jC019327 for ; Mon, 12 Jan 2004 09:19:14 -0800 (PST) Received: from willow.nutstreet.net (localhost [127.0.0.1]) by willow.nutstreet.net (8.12.8/8.12.8) with ESMTP id i0CHJ2cc013913 for ; Mon, 12 Jan 2004 11:19:02 -0600 Received: from localhost (eric@localhost) by willow.nutstreet.net (8.12.8/8.12.8/Submit) with ESMTP id i0CHJ2we013909 for ; Mon, 12 Jan 2004 11:19:02 -0600 Date: Mon, 12 Jan 2004 11:19:02 -0600 (CST) From: "Eric KD5UWL" To: rsgb_lf_group@blacksheep.org In-reply-to: Message-ID: MIME-Version: 1.0 Subject: Re: LF: T/A test Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 > I'll be QRV from 135m high vertical ... ! I'd like to see a picture of that installation! Have fun this weekend. But definitely send me a pic if you can! 73 Eric From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 74121 invoked from network); 11 Jan 2004 18:46:16 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 11 Jan 2004 18:46:16 -0000 Received: (qmail 57638 invoked from network); 11 Jan 2004 18:46:15 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 11 Jan 2004 18:46:14 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AfkbG-000Esa-KE for dave@picks.force9.co.uk; Sun, 11 Jan 2004 18:46:14 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Afkat-00039x-Iq for rs_out@blacksheep.org; Sun, 11 Jan 2004 18:45:51 +0000 Received: from [151.164.30.28] (helo=mta4.rcsntx.swbell.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Afkas-00039o-Gi for rsgb_lf_group@blacksheep.org; Sun, 11 Jan 2004 18:45:50 +0000 Received: from willow.nutstreet.net (adsl-66-137-58-174.dsl.tulsok.swbell.net [66.137.58.174]) by mta4.rcsntx.swbell.net (8.12.10/8.12.10) with ESMTP id i0BIjcES017806; Sun, 11 Jan 2004 12:45:38 -0600 (CST) Received: from willow.nutstreet.net (localhost [127.0.0.1]) by willow.nutstreet.net (8.12.8/8.12.8) with ESMTP id i0BIjcK7011976; Sun, 11 Jan 2004 12:45:38 -0600 Received: from localhost (eric@localhost) by willow.nutstreet.net (8.12.8/8.12.8/Submit) with ESMTP id i0BIjb69011972; Sun, 11 Jan 2004 12:45:37 -0600 Date: Sun, 11 Jan 2004 12:45:36 -0600 (CST) From: "Eric KD5UWL" To: lowfer@mailman.qth.net Cc: rsgb_lf_group@blacksheep.org In-reply-to: <007a01c3d870$20dd0bc0$0500a8c0@charter.net> Message-ID: MIME-Version: 1.0 Subject: LF: Re: [Lowfer] First WOLF QSO! Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Congratulations Dex and John! I'm jealous! Excellent work to all. Good job!! Inspiring to the rest of us. 73 Eric From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 53576 invoked from network); 6 Jan 2004 20:00:03 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 6 Jan 2004 20:00:03 -0000 Content-Transfer-Encoding: 8bit Received: (qmail 26587 invoked from network); 6 Jan 2004 20:00:03 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 6 Jan 2004 20:00:01 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AdxMv-0006nK-Ho for dave@picks.force9.co.uk; Tue, 06 Jan 2004 20:00:01 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdxMT-0000y3-Kd for rs_out@blacksheep.org; Tue, 06 Jan 2004 19:59:33 +0000 Received: from [64.164.98.8] (helo=mta7.pltn13.pbi.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AdxMN-0000xu-UB for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2004 19:59:28 +0000 Received: from willow.nutstreet.net (adsl-66-137-58-174.dsl.tulsok.swbell.net [66.137.58.174]) by mta7.pltn13.pbi.net (8.12.10/8.12.10) with ESMTP id i06JxKHp023362 for ; Tue, 6 Jan 2004 11:59:26 -0800 (PST) Received: from willow.nutstreet.net (localhost [127.0.0.1]) by willow.nutstreet.net (8.12.8/8.12.8) with ESMTP id i06JxJHd019248 for ; Tue, 6 Jan 2004 13:59:19 -0600 Received: from localhost (eric@localhost) by willow.nutstreet.net (8.12.8/8.12.8/Submit) with ESMTP id i06JxJmc019244 for ; Tue, 6 Jan 2004 13:59:19 -0600 Date: Tue, 6 Jan 2004 13:59:19 -0600 (CST) From: "Eric KD5UWL" To: "LF_group" In-reply-to: <001401c3d487$504b2000$ee9bfea9@oben> Message-ID: MIME-Version: 1.0 Subject: Re: LF: 300W-TX-G0MRF Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 I don't know if I can help you or not -- but I believe he changed the type to 3C90 as the 85 is very hard to find now. Eric On Tue, 6 Jan 2004, dj9dw wrote: > Hello group, > as I can't get in contact with David, G0MRF, I want to spread out my problem > here. > The TX works fine except the outputtransformer T2. There is heavy ringing at > abt 1 MHz. Now I figured, the inductance seems to be abt 300uH from drain to > drain. That shure is far too much. > Could it be that David has changed the toroid - type to one with higher u so > that 10 turns primary has to be reduced? > Your help is very welcom, I am stuck. > > Regards, dj9dw, Peter. > > > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 62867 invoked from network); 31 Jan 2004 12:16:21 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 31 Jan 2004 12:16:21 -0000 Received: (qmail 19383 invoked from network); 31 Jan 2004 12:16:20 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 31 Jan 2004 12:16:19 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Amu2t-0004vE-Iv for dave@picks.force9.co.uk; Sat, 31 Jan 2004 12:16:19 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Amu2I-0005Zm-Ua for rs_out@blacksheep.org; Sat, 31 Jan 2004 12:15:42 +0000 Received: from [64.12.136.163] (helo=imo-m08.mx.aol.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Amu2I-0005Za-8L for rsgb_lf_group@blacksheep.org; Sat, 31 Jan 2004 12:15:42 +0000 X-Fake-Domain: G0MRF@aol.com Received: from G0MRF@aol.com by imo-m08.mx.aol.com (mail_out_v36_r4.12.) id l.f6.360ff7d1 (26116) for ; Sat, 31 Jan 2004 07:15:07 -0500 (EST) From: G0MRF@aol.com Message-ID: Date: Sat, 31 Jan 2004 07:15:07 EST To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Mailer: 8.0 for Windows sub 670 Subject: Re: LF: My G0MRF Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.7 required=5.0 tests=HTML_MESSAGE,HTML_TAG_BALANCE_HTML,NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit In a message dated 1/31/04 12:04:33 PM GMT Standard Time, dj9dw@t-online.de writes:

Hi group,
some might remember my flee for help, as I had bad ringing on T2, high
current and low output. Now I figured, that there was an overlapping in
switchtime. SPSUs use to have abt 48%  dutycycle on each half. I had over
50% on-time on the FETs. By cutting off the schottkys, I managed to get that
thing running. Not yet measured ultimate power, but at 200W in I get
somewhat over 160W out.
What did that teach me? Never trust nobody, not even a schematic, hi.

Thanks to those who tried to help and 73 to all of you, Peter, dj9dw.






Self training of the licensee......as it says in the licence.

Well done Peter.

David From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 61455 invoked from network); 31 Jan 2004 12:11:10 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 31 Jan 2004 12:11:10 -0000 Received: (qmail 42348 invoked from network); 31 Jan 2004 12:11:10 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 31 Jan 2004 12:11:05 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Amtxp-0009tM-Nl for dave@picks.force9.co.uk; Sat, 31 Jan 2004 12:11:05 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AmtxD-0005SM-IO for rs_out@blacksheep.org; Sat, 31 Jan 2004 12:10:27 +0000 Received: from [64.12.136.162] (helo=imo-m07.mx.aol.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AmtxC-0005Rx-GK for rsgb_lf_group@blacksheep.org; Sat, 31 Jan 2004 12:10:26 +0000 X-Fake-Domain: G0MRF@aol.com Received: from G0MRF@aol.com by imo-m07.mx.aol.com (mail_out_v36_r4.12.) id l.1ed.185a8c20 (26116) for ; Sat, 31 Jan 2004 07:09:50 -0500 (EST) From: G0MRF@aol.com Message-ID: <1ed.185a8c20.2d4cf50e@aol.com> Date: Sat, 31 Jan 2004 07:09:50 EST To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Mailer: 8.0 for Windows sub 670 Subject: Re: LF: What NTC to use with an transformer Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.7 required=5.0 tests=HTML_MESSAGE,HTML_TAG_BALANCE_HTML,MAILTO_TO_SPAM_ADDR,NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit In a message dated 1/30/04 10:05:34 PM GMT Standard Time, knaap159@zonnet.nl writes:

Hello all,

I am starting with an powersupply in order to have something to feed an amp.
I have some nice transformers here, one of them being 50V/1000VA.
To limit the current when switching on such a large powersupply,
I'm thinking of using an NTC in the primaire part.
Question however is, what value should I take??????
Their nominal value seems to be given at 25 degrees C.
I'm thinking of 1Ohm, and an Imax of 9 Amp.
Will that be good enough??????

Dick, pa4vhf




Hello Dick.

A simple and very reliable alternative is a slow start circuit with a resistor and a relay.

Circuit:

A resistor of about 30 to 150 Ohms is wired in series with the mains live and the transformer primary.

An 'open' relay contact is wired across the resistor.

The relay coil is wired across the DC side of your supply. 

Method of operation:

As the mains is switched on, the inrush current on the primary is limited by the resistor.
The voltage slowly builds up on the secondary side and the big smoothing capacitor charges at a sensible rate.  As the voltage on the capacitor reaches a point where the relay coil energises the relay pulls in and the resistor is shorted out.

I've used this technique on a 50V solid state amp and with a 3-500Z tube which uses a 3500V supply.  Both have been very reliable over many years.

73 es GL

David From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 34781 invoked from network); 22 Jan 2004 22:13:51 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 22 Jan 2004 22:13:51 -0000 Received: (qmail 58020 invoked from network); 22 Jan 2004 22:13:50 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 22 Jan 2004 22:13:49 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Ajn5A-000Ey6-55 for dave@picks.force9.co.uk; Thu, 22 Jan 2004 22:13:49 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ajn4b-0002Od-1v for rs_out@blacksheep.org; Thu, 22 Jan 2004 22:13:13 +0000 Received: from [152.163.225.103] (helo=imo-r07.mx.aol.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Ajn4a-0002OK-8J for rsgb_lf_group@blacksheep.org; Thu, 22 Jan 2004 22:13:12 +0000 X-Fake-Domain: G0MRF@aol.com Received: from G0MRF@aol.com by imo-r07.mx.aol.com (mail_out_v36_r4.12.) id l.53.3a4772a (26116) for ; Thu, 22 Jan 2004 17:12:35 -0500 (EST) From: G0MRF@aol.com Message-ID: <53.3a4772a.2d41a4d2@aol.com> Date: Thu, 22 Jan 2004 17:12:34 EST To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Mailer: 8.0 for Windows sub 670 Subject: Re: LF: 136kHz project cancelled Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.9 required=5.0 tests=HTML_50_60,HTML_MESSAGE,HTML_TAG_BALANCE_HTML,MAILTO_TO_SPAM_ADDR,NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit In a message dated 1/22/04 8:00:11 PM GMT Standard Time, knaap159@zonnet.nl writes:

To give you some examples from problems I ran into:
 
No suitable X-tals to build VXO 's or something with an divider, so I decided
to build an VFO on 1.37MHz followed by an 4017 to divide by 10.
VFO worked perfect but the 10-diveder just wouldn't work!!!!
I spend hours and hours to get it running, tried several different IC's
(I expected speed problems etc) all with no result.........
1.37MHz in ......NOTHING out................
It was a sinple circuit : pin 8,13,15 to ground, VCC on 16, 1.37MHz on pin 14,
and output at pin 12...... so stupid simple, that it really is amazing that things are
not working.
 


Sorry to hear of your problems.  Hope you'll decide to give it another try in time for the next LF season next September.

For  info:

My site has 2 crystals 8.000MHz and 8.274MHz. 
It also has the design for 2 VXO's using a two gates in a 4011 chip and a simple mixer and buffer using the remaining two. All of which can be put together in less than an hour. 

The 274kHz can be divided by 2 in a 4013 and then you can amplify with one 1 Euro FET for 25Watts or a set of four 5 Euro ones with a big PSU for 600 Watts.

There's always a solution somewhere out there and frequently the reward enjoyed is proportional to the effort made.

Good luck es hope to see you on the band next season.

73

David

 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 81820 invoked from network); 22 Jan 2004 21:09:40 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 22 Jan 2004 21:09:40 -0000 Received: (qmail 41273 invoked from network); 22 Jan 2004 21:09:40 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 22 Jan 2004 21:09:39 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Ajm55-000Acj-Dq for dave@picks.force9.co.uk; Thu, 22 Jan 2004 21:09:39 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ajm4u-00010c-7t for rs_out@blacksheep.org; Thu, 22 Jan 2004 21:09:28 +0000 Received: from [152.163.225.104] (helo=imo-r08.mx.aol.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Ajm4t-000109-B1 for rsgb_lf_group@blacksheep.org; Thu, 22 Jan 2004 21:09:27 +0000 X-Fake-Domain: G0MRF@aol.com Received: from G0MRF@aol.com by imo-r08.mx.aol.com (mail_out_v36_r4.12.) id l.28.42bf3e5a (26116) for ; Thu, 22 Jan 2004 16:08:43 -0500 (EST) From: G0MRF@aol.com Message-ID: <28.42bf3e5a.2d4195db@aol.com> Date: Thu, 22 Jan 2004 16:08:43 EST To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Mailer: 8.0 for Windows sub 670 Subject: Re: LF: 136kHz project cancelled Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.9 required=5.0 tests=HTML_50_60,HTML_MESSAGE,HTML_TAG_BALANCE_HTML,MAILTO_TO_SPAM_ADDR,NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit In a message dated 1/22/04 8:00:11 PM GMT Standard Time, knaap159@zonnet.nl writes:

To give you some examples from problems I ran into:
 
No suitable X-tals to build VXO 's or something with an divider, so I decided
to build an VFO on 1.37MHz followed by an 4017 to divide by 10.
VFO worked perfect but the 10-diveder just wouldn't work!!!!
I spend hours and hours to get it running, tried several different IC's
(I expected speed problems etc) all with no result.........
1.37MHz in ......NOTHING out................
It was a sinple circuit : pin 8,13,15 to ground, VCC on 16, 1.37MHz on pin 14,
and output at pin 12...... so stupid simple, that it really is amazing that things are
not working.
 


Sorry to hear of your problems.  Hope you'll decide to give it another try in time for the next LF season next September.

For  info:

My site has 2 crystals 8.000MHz and 8.274MHz. 
It also has the design for 2 VXO's using a two gates in a 4011 chip and a simple mixer and buffer using the remaining two. All of which can be put together in less than an hour. 

The 274kHz can be divided by 2 in a 4013 and then you can amplify with one 1 Euro FET for 25Watts or a set of four 5 Euro ones with a big PSU for 600 Watts.

There's always a solution somewhere out there and frequently the reward enjoyed is proportional to the effort made.

Good luck es hope to see you on the band next season.

73

David

 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 86427 invoked from network); 22 Jan 2004 21:07:44 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 22 Jan 2004 21:07:44 -0000 Received: (qmail 89099 invoked from network); 22 Jan 2004 21:07:44 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 22 Jan 2004 21:07:43 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Ajm3C-000N3m-Sz for dave@picks.force9.co.uk; Thu, 22 Jan 2004 21:07:42 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ajm2i-0000ug-HG for rs_out@blacksheep.org; Thu, 22 Jan 2004 21:07:12 +0000 Received: from [152.163.225.99] (helo=imo-r03.mx.aol.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Ajm2h-0000uQ-KX for rsgb_lf_group@blacksheep.org; Thu, 22 Jan 2004 21:07:11 +0000 X-Fake-Domain: G0MRF@aol.com Received: from G0MRF@aol.com by imo-r03.mx.aol.com (mail_out_v36_r4.12.) id l.12d.397ad668 (26116) for ; Thu, 22 Jan 2004 16:06:38 -0500 (EST) From: G0MRF@aol.com Message-ID: <12d.397ad668.2d41955e@aol.com> Date: Thu, 22 Jan 2004 16:06:38 EST To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Mailer: 8.0 for Windows sub 670 Subject: Re: LF: 136kHz project cancelled Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.9 required=5.0 tests=HTML_50_60,HTML_MESSAGE,HTML_TAG_BALANCE_HTML,MAILTO_TO_SPAM_ADDR,NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit In a message dated 1/22/04 8:00:11 PM GMT Standard Time, knaap159@zonnet.nl writes:

To give you some examples from problems I ran into:
 
No suitable X-tals to build VXO 's or something with an divider, so I decided
to build an VFO on 1.37MHz followed by an 4017 to divide by 10.
VFO worked perfect but the 10-diveder just wouldn't work!!!!
I spend hours and hours to get it running, tried several different IC's
(I expected speed problems etc) all with no result.........
1.37MHz in ......NOTHING out................
It was a sinple circuit : pin 8,13,15 to ground, VCC on 16, 1.37MHz on pin 14,
and output at pin 12...... so stupid simple, that it really is amazing that things are
not working.
 


Sorry to hear of your problems.  Hope you'll decide to give it another try in time for the next LF season next September.

For  info:

My site has 2 crystals 8.000MHz and 8.274MHz. 
It also has the design for 2 VXO's using a two gates in a 4011 chip and a simple mixer and buffer using the remaining two. All of which can be put together in less than an hour. 

The 274kHz can be divided by 2 in a 4013 and then you can amplify with one 1 Euro FET for 25Watts or a set of four 5 Euro ones with a big PSU for 600 Watts.

There's always a solution somewhere out there and frequently the reward enjoyed is proportional to the effort made.

Good luck es hope to see you on the band next season.

73

David

 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 23840 invoked from network); 14 Jan 2004 16:53:08 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 14 Jan 2004 16:53:08 -0000 Received: (qmail 99950 invoked from network); 14 Jan 2004 16:53:08 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 14 Jan 2004 16:53:05 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AgoGP-000Pit-8Z for dave@picks.force9.co.uk; Wed, 14 Jan 2004 16:53:05 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AgoG3-0007kb-JY for rs_out@blacksheep.org; Wed, 14 Jan 2004 16:52:43 +0000 Received: from [205.188.157.37] (helo=imo-d05.mx.aol.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AgoG2-0007kS-Rv for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 16:52:43 +0000 X-Fake-Domain: G0MRF@aol.com Received: from G0MRF@aol.com by imo-d05.mx.aol.com (mail_out_v36_r4.12.) id l.ae.4eec9b53 (2612) for ; Wed, 14 Jan 2004 11:52:07 -0500 (EST) From: G0MRF@aol.com Message-ID: Date: Wed, 14 Jan 2004 11:52:07 EST To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Mailer: 8.0 for Windows sub 670 Subject: LF: 3C90 cores (final mail honest) Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.7 required=5.0 tests=HTML_MESSAGE,HTML_TAG_BALANCE_HTML,NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit Hello again.

Thanks Jim / Michael / Andy for comments on the core saga.

The final outcome is a strange one. 

As from Jan 2004 Ferroxcube are no longer colour coding their toroid products. Apparently the use of ISO9000 type procedures in keeping track of quality / sources and storage make the colour codes unnecessary.

This means that if you order something direct then you should get the correct product.
However, once that quality assurance path is broken, you are on your own.
Not to mention that all the cores appear to be white.......which is the same colour as the 3C11 material pre and post Jan 2004. And it's not the best colour for radiating heat from the core.

Thanks Ferroxcube. (must remember to take the L meter to more radio rallies in future)

73

David.   (who does have some 58mm 3C90 cores after all) From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 81126 invoked from network); 13 Jan 2004 14:57:06 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 13 Jan 2004 14:57:06 -0000 Received: (qmail 230 invoked from network); 13 Jan 2004 14:57:06 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 13 Jan 2004 14:57:05 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AgPyb-000Pvr-3z for dave@picks.force9.co.uk; Tue, 13 Jan 2004 14:57:05 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AgPyG-0004Dc-Gf for rs_out@blacksheep.org; Tue, 13 Jan 2004 14:56:44 +0000 Received: from [64.12.136.162] (helo=imo-m07.mx.aol.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AgPyF-0004DH-RP for rsgb_lf_group@blacksheep.org; Tue, 13 Jan 2004 14:56:43 +0000 X-Fake-Domain: G0MRF@aol.com Received: from G0MRF@aol.com by imo-m07.mx.aol.com (mail_out_v36_r4.8.) id l.d7.1283ea2 (4230) for ; Tue, 13 Jan 2004 09:56:07 -0500 (EST) From: G0MRF@aol.com Message-ID: Date: Tue, 13 Jan 2004 09:56:06 EST To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Mailer: 8.0 for Windows sub 670 Subject: LF: Re: JT65 Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.2 required=5.0 tests=HTML_20_30,HTML_MESSAGE,HTML_TAG_BALANCE_HTML,NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit
Forgot to mention, that although JT65 is intended for EME the Windows source code can also be downloaded for anyone who wants to adapt the programme for different uses.

73

David From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 89796 invoked from network); 13 Jan 2004 10:22:03 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 13 Jan 2004 10:22:03 -0000 Received: (qmail 15377 invoked from network); 13 Jan 2004 10:22:03 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 13 Jan 2004 10:22:02 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AgLgP-0003sy-RI for dave@picks.force9.co.uk; Tue, 13 Jan 2004 10:22:01 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AgLfj-0006zJ-46 for rs_out@blacksheep.org; Tue, 13 Jan 2004 10:21:19 +0000 Received: from [152.163.225.98] (helo=imo-r02.mx.aol.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AgLfh-0006yx-Nl for rsgb_lf_group@blacksheep.org; Tue, 13 Jan 2004 10:21:17 +0000 X-Fake-Domain: G0MRF@aol.com Received: from G0MRF@aol.com by imo-r02.mx.aol.com (mail_out_v36_r4.8.) id l.112.2d7a7cd2 (3988) for ; Tue, 13 Jan 2004 05:20:42 -0500 (EST) From: G0MRF@aol.com Message-ID: <112.2d7a7cd2.2d352079@aol.com> Date: Tue, 13 Jan 2004 05:20:41 EST To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Mailer: 8.0 for Windows sub 670 Subject: LF: WOLF QSO / data modes Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.7 required=5.0 tests=HTML_MESSAGE,HTML_TAG_BALANCE_HTML,NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit In a message dated 1/12/04 2:11:38 PM GMT Standard Time, Alan.Melia@btinternet.com writes:

I think a lot of us were waiting and maybe
hoping for a "instant", real-time version. Then Alberto came along with
Jason as a keyboard decoded mode, and WOLF did not seem to progress.
(Stewart provided  some adaptive code to improve the decoder in Alberto's
system)  I also believe that WOLF is transmit as BPSK which generally
requires a linear PA. (Jason is an FSK mode so can use non-linear PAs)


On the subject of data modes.  I notice there is a new version of the digital (multi tone) mode JT65. This is a weak signal coherent mode in which each station transmits for alternating 30 second periods under computer control.  It's mainly used for EME communication and the signals are 'summed' with each successive TX period. After several 30 second periods a signal many dB into the noise slowly appears on the screen.
Although a tone based system, only one tone is transmitted at a time. This sugests that a class C D or E based amplifier could be used.  Because the system is coherent both computers must run within 1 second of UTC. ( Use the free 'dimension 4' software to dialup and set your PC time to WWV etc) Frequency for the 'A' version must be set to better than 4Hz.
There are 3 versions of JT65 each with a different overall tone spacing hence different bandwidth. One version is 177Hz wide.

JT65 is part of a suite of programmes called WSJT. (Weak Signals by  W1JT)

The download site at Princeton is given in the mail from Joe Taylor W1JT that I've copied below.

73

David  G0MRF

=========             =============           =============


To:      Users of WSJT
Subject: Beta Release 4.3.3
Date:    December 31, 2003
From:    Joe Taylor, K1JT

Dear Friends,

Beta Release 4.3.3 of WSJT is now available for free download at
the WSJT home page, http://pulsar.princeton.edu/~joe/K1JT.  The
principal change from version 4.2.1 is to offer three JT65
submodes.  The submodes differ in tone spacing and total
bandwidth as follows:

    Mode   Spacing  Total BW
   -------------------------
   JT65A    2.7 Hz  177.6 Hz
   JT65B    5.4     355.3
   JT65C   10.8     710.6

Note that JT65A is identical to the original JT65.  If you want
to work people who have not yet upgraded to v4.3.3, be sure to
select mode JT65A.  Otherwise, be sure to use the same mode that
your QSO partner is using.  Cross-mode contacts will not work.

JT65B should be nearly as sensitive as JT65A, and it will be
twice as forgiving of frequency instabilities.  On balance, with
existing "stock" radios, JT65B will probably be better than
JT65A.  JT65C is less sensitive by a small amount, perhaps 1 dB,
but will be even more lenient on stability issues.  By all means
experiment with the different submodes, and be sure to let me
know your conclusions about them!

I am presently inclined to recommend that JT65B should become the
"standard" JT65 mode.  If this tentative conclusion holds up,
future versions of the program may no longer support the A and C
modes.

Other changes from version 4.2.1 include the following:

1. Further improvements have been made to the JT65 decoding
algorithm. These improvements apply to all three submodes.  Some
wave files that would not decode with v4.2.1 now decode properly,
especially in averages over several minutes.

2. The frequency width W of the sync tone (the "red spike") is
now measured and displayed in Hz after DF in the main text box.
In any of the three JT65 modes, W should be no more than 2-4 Hz
under good conditions.  Uncorrected frequency drifts, excessive
oscillator phase noise, and certain propagation effects can make
the width larger. Anything over about about 4 Hz will impair copy
in JT65A.  Similarly, widths greater than about 7 and 15 Hz will
begin to impair copy in JT65B and C, respectively.

3. The utility program CWID.EXE now accepts lower case letters on
the command line.  It also permits you to specify the audio
frequency of the tone in the wave file.  You may wish to place
the tone at 600 Hz or lower so that it lies well below the tones
generated by any of the WSJT operating modes.

4. The "Clip" function has been improved in several ways.  The
yellow and magenta curves in the Big Spectrum display no longer
disappear when Clip > 0.  Setting Clip = 3 does hard clipping, as
before, but it also blanks out any data regions with average
power well above the "baseline" of the green curve.
Experimenting with different values of Clip may help you to
recover good copy from noisy data.

5. I believe that the text window displays in Monitor mode, and
when you are using the Include/Exclude buttons, nor function
correctly.

6. Minor bug fixes: the program no longer crashes in EME Echo
mode if you select "EME Calc | Load | Cancel".  The correct "S"
value is listed on the status bar in JT6M mode.

7. The program's "Fit and finish" is improved in several not very
important ways.

As usual, I will appreciate receiving email with comments,
suggestions, etc., about this new release of WSJT.

                -- 73, Joe, K1JT



 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 22151 invoked from network); 11 Jan 2004 18:15:58 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 11 Jan 2004 18:15:58 -0000 Received: (qmail 75729 invoked from network); 11 Jan 2004 18:15:57 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 11 Jan 2004 18:15:56 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Afk7w-000Jaa-OQ for dave@picks.force9.co.uk; Sun, 11 Jan 2004 18:15:56 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Afk7b-0002ga-8J for rs_out@blacksheep.org; Sun, 11 Jan 2004 18:15:35 +0000 Received: from [205.188.157.35] (helo=imo-d03.mx.aol.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Afk7Y-0002gR-Ef for rsgb_lf_group@blacksheep.org; Sun, 11 Jan 2004 18:15:32 +0000 X-Fake-Domain: G0MRF@aol.com Received: from G0MRF@aol.com by imo-d03.mx.aol.com (mail_out_v36_r4.8.) id l.1df.172b4482 (16109) for ; Sun, 11 Jan 2004 13:14:57 -0500 (EST) Received: from aol.com (mow-m06.webmail.aol.com [64.12.184.134]) by air-id12.mx.aol.com (v97.14) with ESMTP id MAILINID121-3eed400192a12e9; Sun, 11 Jan 2004 13:14:57 -0500 Date: Sun, 11 Jan 2004 13:14:57 -0500 From: G0MRF@aol.com To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 Message-ID: <5047BBB4.205C80C5.0000CE2C@aol.com> X-Mailer: Atlas Mailer 2.0 X-AOL-IP: 195.93.34.8 Subject: Re: LF: T2-ringing Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.3 required=5.0 tests=NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 In a message dated 1/11/2004 12:30:03 PM Eastern Standard Time, dj9dw@t-online.de writes: > nonconducting side. Eather a steady current and heat on the > FET's or by > adding a cap from D to G. This may be a mistake, but please remember you may have peaks to 200V on the drains and a limit of 20V (ish) on the gates. Any capacitor as suggested will destroy the devices in an instant. I have seen a few 'mods' including a zobel network i.e. a capacitor and resistor in series between drain and ground. This does de-Q the circuit quite well. Changes in value of the normal drain to ground 10nF will have some effect but it's likely to change any resonant frequency without reducing the Q or the total peak voltage. Bob G8RW ran his unit at over 300W and had installed 'transorbs' that conducted just below the max drain limit of the FETs. However, Bob's just had a single peak at the switch on / off points and not the 'ringing' described here. It may be worth looking at the T94-2 core / decoupling caps as well if ringing is at 1MHz+ 73 David G0MRF From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 90608 invoked from network); 11 Jan 2004 09:09:32 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 11 Jan 2004 09:09:32 -0000 Received: (qmail 67599 invoked from network); 11 Jan 2004 09:09:32 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 11 Jan 2004 09:09:31 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Afbb9-000HTJ-6n for dave@picks.force9.co.uk; Sun, 11 Jan 2004 09:09:31 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AfbZn-0001hi-BW for rs_out@blacksheep.org; Sun, 11 Jan 2004 09:08:07 +0000 Received: from [64.12.136.161] (helo=imo-m06.mx.aol.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AfbZm-0001hO-Mk for rsgb_lf_group@blacksheep.org; Sun, 11 Jan 2004 09:08:06 +0000 X-Fake-Domain: G0MRF@aol.com Received: from G0MRF@aol.com by imo-m06.mx.aol.com (mail_out_v36_r4.8.) id l.1d7.17e682e8 (4004) for ; Sun, 11 Jan 2004 04:07:31 -0500 (EST) From: G0MRF@aol.com Message-ID: <1d7.17e682e8.2d326c53@aol.com> Date: Sun, 11 Jan 2004 04:07:31 EST To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Mailer: 8.0 for Windows sub 670 Subject: LF: 3C90 Al value? Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.7 required=5.0 tests=HTML_MESSAGE,HTML_TAG_BALANCE_HTML,NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit Hello Group.

After a 4 month wait I've received a batch of 58mm cores claiming to be 3C90, but according to the catalogue they have the wrong colour code. These are white (pos 3C11) not blue/white for 3C90.

The way to confirm is to calculate the Al value and compare to the data on 3C90 3C85 3C11 etc materials. Unfortunately 3C90 is not listed in my old data book.

I've measured the inductance of a 21 turn winding at 1.43mH.
Using  L = Al x N squared, this suggests an Al value of 3249.

Is this a good figure for 3C90?  It does seem far too low for 3C11 (5000+)
Perhaps they've changed the colour code again?

73

David    G0MRF
 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 56192 invoked from network); 10 Jan 2004 01:35:52 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 10 Jan 2004 01:35:52 -0000 Received: (qmail 34585 invoked from network); 10 Jan 2004 01:35:52 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 10 Jan 2004 01:35:51 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Af82Z-0008tA-1s for dave@picks.force9.co.uk; Sat, 10 Jan 2004 01:35:51 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Af82C-0003Qs-Gj for rs_out@blacksheep.org; Sat, 10 Jan 2004 01:35:28 +0000 Received: from [205.188.157.37] (helo=imo-d05.mx.aol.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Af82B-0003QU-SO for rsgb_lf_group@blacksheep.org; Sat, 10 Jan 2004 01:35:27 +0000 X-Fake-Domain: G0MRF@aol.com Received: from G0MRF@aol.com by imo-d05.mx.aol.com (mail_out_v36_r4.8.) id l.1e0.172548b2 (4394) for ; Fri, 9 Jan 2004 20:34:52 -0500 (EST) From: G0MRF@aol.com Message-ID: <1e0.172548b2.2d30b0bc@aol.com> Date: Fri, 9 Jan 2004 20:34:52 EST To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Mailer: 8.0 for Windows sub 670 Subject: LF: test only Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.7 required=5.0 tests=HTML_MESSAGE,HTML_TAG_BALANCE_HTML,NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit test From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 74673 invoked from network); 9 Jan 2004 16:00:01 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 9 Jan 2004 16:00:01 -0000 Received: (qmail 58567 invoked from network); 9 Jan 2004 16:00:01 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 9 Jan 2004 15:59:58 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Aez3F-000EuD-UK for dave@picks.force9.co.uk; Fri, 09 Jan 2004 15:59:58 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Aez1R-0001ve-8i for rs_out@blacksheep.org; Fri, 09 Jan 2004 15:58:05 +0000 Received: from [152.163.225.99] (helo=imo-r03.mx.aol.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Aez1P-0001us-VV for rsgb_lf_group@blacksheep.org; Fri, 09 Jan 2004 15:58:04 +0000 X-Fake-Domain: G0MRF@aol.com Received: from G0MRF@aol.com by imo-r03.mx.aol.com (mail_out_v36_r4.8.) id l.b7.3b3d8074 (4340) for ; Fri, 9 Jan 2004 10:57:27 -0500 (EST) From: G0MRF@aol.com Message-ID: Date: Fri, 9 Jan 2004 10:57:27 EST To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Mailer: 8.0 for Windows sub 670 Subject: LF: 3C90 cores. Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.5 required=5.0 tests=HTML_MESSAGE,HTML_TAG_BALANCE_HTML,LINK_TO_NO_SCHEME,NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit Hello group.

Just a brief note to say that I've just received a delivery of 3C90 toroids.

58mm for high power and the smaller 25mm.

I've not used the 58mm in this material before so I'll check over the next couple of weeks to ensure it does have a similar characteristic to the old 3C85. The 58mm cores in the older material would comfortably handle 800 Watts.  Price details are on kits page of my web site.

73 es HNY

David   G0MRF    www.g0mrf.freeserve.co.uk
 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 93544 invoked from network); 30 Jan 2004 21:27:53 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 30 Jan 2004 21:27:53 -0000 Received: (qmail 91384 invoked from network); 30 Jan 2004 21:27:53 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 30 Jan 2004 21:27:52 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AmgB5-000NXz-TL for dave@picks.force9.co.uk; Fri, 30 Jan 2004 21:27:51 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AmgAD-00067y-IJ for rs_out@blacksheep.org; Fri, 30 Jan 2004 21:26:57 +0000 Received: from [212.135.6.10] (helo=smarthost0.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AmgAD-00067i-52 for rsgb_lf_group@blacksheep.org; Fri, 30 Jan 2004 21:26:57 +0000 Received: from tnt-5-87.easynet.co.uk ([195.40.200.87] helo=erica) by smarthost0.mail.uk.easynet.net with smtp (Exim 4.10) id 1AmgAA-0004Vu-00 for rsgb_lf_group@blacksheep.org; Fri, 30 Jan 2004 21:26:55 +0000 X-Bad-Message-ID: no DNS (erica) Message-ID: <000501c3e779$f5159fc0$57c828c3@erica> From: "g3ldo" To: rsgb_lf_group@blacksheep.org References: <6.0.1.1.2.20040129133740.036bcc40@POP3.freeler.nl> <6.0.1.1.2.20040130133028.02f11dc0@POP3.freeler.nl> Date: Fri, 30 Jan 2004 21:40:48 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Beaconing by PA0SE Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hello Dick Your signal was clearly audible at S5 to 6 all the time. You said: ------------------------------- I have been trying to copy VO1NA's signal during several nights. Though there were traces of his signal at the beginning of the night and also around dawn, none were good enough for a QSO. --------------------------------- Although I have had some very good 'grabs' of Joe's signal, particularly at dawn I don't seem to get as good a signal levels as further north. It might be a signals to noise thing with the noise cause by the Loran sidebands from Lessay Anyway, congratulations at getting such a good signal into VO1 Regards, Peter, G3LDO From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 79580 invoked from network); 28 Jan 2004 12:03:41 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 28 Jan 2004 12:03:41 -0000 Received: (qmail 77417 invoked from network); 28 Jan 2004 12:03:39 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 28 Jan 2004 12:02:14 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AloOa-000FTJ-NU for dave@picks.force9.co.uk; Wed, 28 Jan 2004 12:02:12 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AloNa-0003NF-6K for rs_out@blacksheep.org; Wed, 28 Jan 2004 12:01:10 +0000 Received: from [212.135.6.11] (helo=smarthost1.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AloNZ-0003N6-Q5 for rsgb_lf_group@blacksheep.org; Wed, 28 Jan 2004 12:01:09 +0000 Received: from tnt-5-185.easynet.co.uk ([195.40.200.185] helo=erica) by smarthost1.mail.uk.easynet.net with smtp (Exim 4.10) id 1AloN6-0003Dx-00 for rsgb_lf_group@blacksheep.org; Wed, 28 Jan 2004 12:00:41 +0000 X-Bad-Message-ID: no DNS (erica) Message-ID: <001801c3e598$817dc980$b9c828c3@erica> From: "g3ldo" To: rsgb_lf_group@blacksheep.org References: <005401c3e2ad$3d2d3ba0$6507a8c0@Main> <000a01c3e404$c3453280$fec428c3@erica> <001101c3e533$75938200$d4ce28c3@erica> <000a01c3e53b$527c12c0$e82c7ad5@rogersservices> <000801c3e544$a21492e0$4ec828c3@erica> Date: Wed, 28 Jan 2004 12:15:10 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: Re:: LF TA Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Joe Craig said: > Peter Jim and Group, > > Thank-you for the entertainment tonight. Just finished > reading the email and now having a wee nip to celebrate LF TA #3. > Will run the beacon until dawn. I didn't plan to be on last night. The weather guesser predicted snow blizzards. Went to guitar class and didn't get back until 2300 and the weather was cold, still and dry - ideal for transmitting. Raised the folding antenna in the dark and transmitted part of my call. Switched to receive and saw Joe readability M. Transmitted again then went back to receive and read my report and sent acknowledgment. I have been getting much better reports from Joe over the last few days at around 0700 but the peak is short lived. This is a different pattern from previous years when TA signals often peaked before 2359hrs. Regards, Peter, G3LDO From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 39783 invoked from network); 28 Jan 2004 02:01:09 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore03.plus.net with SMTP; 28 Jan 2004 02:01:09 -0000 Received: (qmail 7682 invoked from network); 28 Jan 2004 02:01:09 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 28 Jan 2004 02:01:08 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Alf0t-0001sU-To for dave@picks.force9.co.uk; Wed, 28 Jan 2004 02:01:07 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Alf0A-0004PF-Er for rs_out@blacksheep.org; Wed, 28 Jan 2004 02:00:22 +0000 Received: from [212.135.6.11] (helo=smarthost1.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Alf0A-0004P6-25 for rsgb_lf_group@blacksheep.org; Wed, 28 Jan 2004 02:00:22 +0000 Received: from tnt-5-78.easynet.co.uk ([195.40.200.78] helo=erica) by smarthost1.mail.uk.easynet.net with smtp (Exim 4.10) id 1Alf07-000AsD-00 for rsgb_lf_group@blacksheep.org; Wed, 28 Jan 2004 02:00:20 +0000 X-Bad-Message-ID: no DNS (erica) Message-ID: <000801c3e544$a21492e0$4ec828c3@erica> From: "g3ldo" To: rsgb_lf_group@blacksheep.org References: <005401c3e2ad$3d2d3ba0$6507a8c0@Main> <000a01c3e404$c3453280$fec428c3@erica> <001101c3e533$75938200$d4ce28c3@erica> <000a01c3e53b$527c12c0$e82c7ad5@rogersservices> Date: Wed, 28 Jan 2004 02:15:01 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re:: LF TA Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Jim, M0BMU said > > Dear Joe, Peter, LF Group, > > VO1NA currently "O" copy here - giving 'LDO an "O" report. See attachment. > Jim, you getting better copy than I am here - I am receiving only M but I did get my O report. This was a random QSO but not as good as yours last October QSO still in progress! Regards, Peter, G3LDO e-mail From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 27796 invoked from network); 27 Jan 2004 23:58:28 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 27 Jan 2004 23:58:28 -0000 Received: (qmail 46624 invoked from network); 27 Jan 2004 23:58:28 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 27 Jan 2004 23:58:27 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Ald6B-000BuB-Fm for dave@picks.force9.co.uk; Tue, 27 Jan 2004 23:58:27 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ald5E-00013T-6g for rs_out@blacksheep.org; Tue, 27 Jan 2004 23:57:28 +0000 Received: from [212.135.6.14] (helo=smarthost4.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Ald5D-00013K-S1 for rsgb_lf_group@blacksheep.org; Tue, 27 Jan 2004 23:57:27 +0000 Received: from tnt-1-212.easynet.co.uk ([195.40.206.212] helo=erica) by smarthost4.mail.uk.easynet.net with smtp (Exim 4.10) id 1Ald5B-0006fq-00 for rsgb_lf_group@blacksheep.org; Tue, 27 Jan 2004 23:57:25 +0000 X-Bad-Message-ID: no DNS (erica) Message-ID: <001101c3e533$75938200$d4ce28c3@erica> From: "g3ldo" To: rsgb_lf_group@blacksheep.org References: <005401c3e2ad$3d2d3ba0$6507a8c0@Main> <000a01c3e404$c3453280$fec428c3@erica> Date: Wed, 28 Jan 2004 00:12:05 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: LF TA Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Will transmit at 0030 for 30 mins on 135.921 QRSS30 Peter G3LDO From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 61356 invoked from network); 27 Jan 2004 00:06:24 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 27 Jan 2004 00:06:24 -0000 Received: (qmail 57272 invoked from network); 27 Jan 2004 00:06:24 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 27 Jan 2004 00:06:23 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AlGkH-000Eli-7G for dave@picks.force9.co.uk; Tue, 27 Jan 2004 00:06:21 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AlGjO-0002yS-Dk for rs_out@blacksheep.org; Tue, 27 Jan 2004 00:05:26 +0000 Received: from [212.135.6.10] (helo=smarthost0.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AlGjN-0002yH-UM for rsgb_lf_group@blacksheep.org; Tue, 27 Jan 2004 00:05:26 +0000 Received: from tnt-18-66.easynet.co.uk ([212.134.224.66] helo=erica) by smarthost0.mail.uk.easynet.net with smtp (Exim 4.10) id 1AlGjL-000Ose-00 for rsgb_lf_group@blacksheep.org; Tue, 27 Jan 2004 00:05:25 +0000 X-Bad-Message-ID: no DNS (erica) Message-ID: <000401c3e46b$6a368f60$42e086d4@erica> From: "g3ldo" To: rsgb_lf_group@blacksheep.org References: <005401c3e2ad$3d2d3ba0$6507a8c0@Main> <000a01c3e404$c3453280$fec428c3@erica> Date: Tue, 27 Jan 2004 00:20:00 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: Re: Running on 2 legs Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Joe VO1NA said > > Thanks for the report from Peter and the ARGO grabs from Brian. > It seems the poor conditions are not affecting reception too > seriously. > Will be looking for you. Conditions this year have been disappointing compared with previous years. I will transmit for a while before hitting the sack, 135.921 QRSS30 Regards, Peter, G3LDO e-mail Web From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 47121 invoked from network); 26 Jan 2004 11:51:51 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 26 Jan 2004 11:51:51 -0000 Received: (qmail 87261 invoked from network); 26 Jan 2004 11:51:51 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 26 Jan 2004 11:51:50 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Al5HS-000MaG-IK for dave@picks.force9.co.uk; Mon, 26 Jan 2004 11:51:50 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Al5GV-0004V6-O2 for rs_out@blacksheep.org; Mon, 26 Jan 2004 11:50:51 +0000 Received: from [212.135.6.13] (helo=smarthost3.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Al5GV-0004Ux-7J for rsgb_lf_group@blacksheep.org; Mon, 26 Jan 2004 11:50:51 +0000 Received: from tnt-2-254.easynet.co.uk ([195.40.196.254] helo=erica) by smarthost3.mail.uk.easynet.net with smtp (Exim 4.10) id 1Al5GL-0008yC-00 for rsgb_lf_group@blacksheep.org; Mon, 26 Jan 2004 11:50:42 +0000 X-Bad-Message-ID: no DNS (erica) Message-ID: <000a01c3e404$c3453280$fec428c3@erica> From: "g3ldo" To: rsgb_lf_group@blacksheep.org References: <005401c3e2ad$3d2d3ba0$6507a8c0@Main> Date: Mon, 26 Jan 2004 12:05:05 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Running on 2 legs Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi Joe > > After trudging up the hill with snow shoes and my axe, > convincing three trees to relinqish one of the 100 metre > wires comprising my LF aerial and reconnecting everything, > the aerial is back to its orginal form. > > The TX will be on again tonight/tomorrow morning on 137.777 kHz > QRSS30. > The antenna work paid off. A clear ident from you received at around 0530 and faded over a period of less than an hour. Peter G3LDO From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 85295 invoked from network); 21 Jan 2004 23:11:30 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 21 Jan 2004 23:11:30 -0000 Received: (qmail 86961 invoked from network); 21 Jan 2004 23:11:29 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 21 Jan 2004 23:11:27 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AjRVP-000MEx-6q for dave@picks.force9.co.uk; Wed, 21 Jan 2004 23:11:27 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AjRUm-0000wq-57 for rs_out@blacksheep.org; Wed, 21 Jan 2004 23:10:48 +0000 Received: from [212.135.6.13] (helo=smarthost3.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AjRUl-0000wh-QP for rsgb_lf_group@blacksheep.org; Wed, 21 Jan 2004 23:10:47 +0000 Received: from tnt-18-82.easynet.co.uk ([212.134.224.82] helo=erica) by smarthost3.mail.uk.easynet.net with smtp (Exim 4.10) id 1AjRUk-000Hc7-00 for rsgb_lf_group@blacksheep.org; Wed, 21 Jan 2004 23:10:46 +0000 X-Bad-Message-ID: no DNS (erica) Message-ID: <000501c3e075$e7aa50c0$52e086d4@erica> From: "g3ldo" To: rsgb_lf_group@blacksheep.org References: <000c01c3e02e$600a21a0$01eafc3e@l8p8y6> <001501c3e058$ba617980$2102000a@ibm> Date: Wed, 21 Jan 2004 23:25:12 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: LF Another test transmission Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Sending a short (0ne hour or so) transmission QRSS30 135.920.5 Conditions not good but local weather here is ideal for transmitting Peter G3LDO From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 84797 invoked from network); 21 Jan 2004 21:06:19 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 21 Jan 2004 21:06:19 -0000 Received: (qmail 6685 invoked from network); 21 Jan 2004 21:06:19 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 21 Jan 2004 21:06:18 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AjPYI-0001bA-0r for dave@picks.force9.co.uk; Wed, 21 Jan 2004 21:06:18 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AjPXe-000730-4X for rs_out@blacksheep.org; Wed, 21 Jan 2004 21:05:38 +0000 Received: from [212.135.6.13] (helo=smarthost3.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AjPXd-00072r-PC for rsgb_lf_group@blacksheep.org; Wed, 21 Jan 2004 21:05:37 +0000 Received: from tnt-13-14.easynet.co.uk ([212.134.22.14] helo=erica) by smarthost3.mail.uk.easynet.net with smtp (Exim 4.10) id 1AjPXb-000NUb-00 for rsgb_lf_group@blacksheep.org; Wed, 21 Jan 2004 21:05:36 +0000 X-Bad-Message-ID: no DNS (erica) Message-ID: <000401c3e064$6b151100$0e1686d4@erica> From: "g3ldo" To: rsgb_lf_group@blacksheep.org References: <001301c3dfbe$cc459b80$6507a8c0@Main> Date: Wed, 21 Jan 2004 21:20:35 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: LF Marconi Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Watched an excellent program on BBC2 TV tonight. A dramatic reconstruction of the first radio signals across the Atlantic by Marconi and his team. Technical details very good - the guys at the transmitting end had cotton wool in their ears to protect them from the noise caused by the arcs! A lot of problems at the receive end. The kite supporting the antenna was at 500ft and several kites were wreaked before the esential three dots were heard. Peter, G3LDO From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 18219 invoked from network); 17 Jan 2004 00:24:08 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 17 Jan 2004 00:24:08 -0000 Received: (qmail 85833 invoked from network); 17 Jan 2004 00:24:08 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 17 Jan 2004 00:24:06 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AheFx-000M6T-VI for dave@picks.force9.co.uk; Sat, 17 Jan 2004 00:24:06 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AheFZ-0005tI-7n for rs_out@blacksheep.org; Sat, 17 Jan 2004 00:23:41 +0000 Received: from [212.135.6.13] (helo=smarthost3.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AheFY-0005t9-Kz for rsgb_lf_group@blacksheep.org; Sat, 17 Jan 2004 00:23:40 +0000 Received: from tnt-5-49.easynet.co.uk ([195.40.200.49] helo=erica) by smarthost3.mail.uk.easynet.net with smtp (Exim 4.10) id 1AheFW-0000si-00 for rsgb_lf_group@blacksheep.org; Sat, 17 Jan 2004 00:23:39 +0000 X-Bad-Message-ID: no DNS (erica) Message-ID: <000601c3dc92$3bba31e0$31c828c3@erica> From: "g3ldo" To: rsgb_lf_group@blacksheep.org References: <002201c3dc88$5900e640$24c828c3@erica> <000801c3dc8b$33fba300$0500a8c0@charter.net> Date: Sat, 17 Jan 2004 00:37:39 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Re: Re: Tx test Content-Type: text/plain; charset=Windows-1252; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 > Started watching at 2345. > > John Andrews I had forgotten that Ed, RU6LA said he would be beaconing from the big vertical. There is a strong signal at about .923 but my Argo is set at the wrong speed to identify it. I will close my transmitter down after it has finished sending my call in case local stations want to monitor RU6LA. Peter G3LDO From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 79609 invoked from network); 16 Jan 2004 23:13:35 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 16 Jan 2004 23:13:35 -0000 Received: (qmail 26900 invoked from network); 16 Jan 2004 23:13:35 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 16 Jan 2004 23:13:34 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Ahd9i-0006sx-Iz for dave@picks.force9.co.uk; Fri, 16 Jan 2004 23:13:34 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ahd96-0004XB-DX for rs_out@blacksheep.org; Fri, 16 Jan 2004 23:12:56 +0000 Received: from [212.135.6.12] (helo=smarthost2.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Ahd96-0004X2-2o for rsgb_lf_group@blacksheep.org; Fri, 16 Jan 2004 23:12:56 +0000 Received: from tnt-5-1.easynet.co.uk ([195.40.200.1] helo=erica) by smarthost2.mail.uk.easynet.net with smtp (Exim 4.10) id 1Ahd94-0007pO-00 for rsgb_lf_group@blacksheep.org; Fri, 16 Jan 2004 23:12:54 +0000 X-Bad-Message-ID: no DNS (erica) Message-ID: <002201c3dc88$5900e640$24c828c3@erica> From: "g3ldo" To: rsgb_lf_group@blacksheep.org References: Date: Fri, 16 Jan 2004 23:26:36 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Tx test Content-Type: text/plain; charset=Windows-1252; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Making a test transmission on 135.921kHz QRSS30 now Peter G3LDO From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 29446 invoked from network); 7 Jan 2004 20:50:59 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 7 Jan 2004 20:50:59 -0000 Received: (qmail 62640 invoked from network); 7 Jan 2004 20:50:59 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 7 Jan 2004 20:50:58 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AeKdm-000GBK-A2 for dave@picks.force9.co.uk; Wed, 07 Jan 2004 20:50:58 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AeKd6-00076A-4P for rs_out@blacksheep.org; Wed, 07 Jan 2004 20:50:16 +0000 Received: from [212.135.6.12] (helo=smarthost2.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AeKd5-000761-Mb for rsgb_lf_group@blacksheep.org; Wed, 07 Jan 2004 20:50:15 +0000 Received: from tnt-1-47.easynet.co.uk ([195.40.206.47] helo=erica) by smarthost2.mail.uk.easynet.net with smtp (Exim 4.10) id 1AeKcz-000H0Z-00 for rsgb_lf_group@blacksheep.org; Wed, 07 Jan 2004 20:50:09 +0000 X-Bad-Message-ID: no DNS (erica) Message-ID: <003101c3d561$e1af1e40$2fce28c3@erica> From: "g3ldo" To: rsgb_lf_group@blacksheep.org References: <000201c3d2f3$c4fb5f40$61e4fc3e@l8p8y6> <6.0.1.1.2.20031229161651.027e8660@POP3.freeler.nl> <000001c3d009$acf7a620$c7e47f50@Smisan> <6.0.1.1.2.20040103121138.0280f960@POP3.freeler.nl> <000601c3d2c3$2bd34e70$b733f7c2@johnb5a82ea1a4> <6.0.1.1.2.20040104163146.027efbe0@POP3.freeler.nl> <000201c3d2f3$c4fb5f40$61e4fc3e@l8p8y6> <5.1.0.14.0.20040106090928.03a8c2a0@u0019445.kuleuven.be> Date: Wed, 7 Jan 2004 20:41:27 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: Horizontally polarised radiation Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.6 required=5.0 tests=CELL_PHONE_BOOST autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Rik, ON4YD said ----------------------------------- It is an "idée fixe" that a horizontal wire must radiate a horizontal polarized EM-wave. A nice example of a mechanical horizontal construction that radiates a vertical polarized signal is the DDRR antenna. So a large horizontal topload close to ground will in most cases improve the antenna efficiency (reduce the loss resistance ... footprint theory) but the radiated signal will be nevertheless mainly vertical polarized. ---------------------------------- Very true. Some years ago I modelled my LF antenna with losses introduced based on measured parameters. My antenna showed a gain of -23dBi. The 3D pattern showed a half doughnut with a -22dBi vertical null. Maximum radiation was indicated at 12 degrees. Polarisation was totally vertical. I then modelled OH1TN's antenna comprising a 500m wire, 28m high. This antenna showed a gain of 16dBi, which was based on average ground - the 'real world' parameters were not known. This antenna showed a broad elevation gain of 16 to 70degrees with no doughnut dip in the centre. In spite of this there was no detectable horizontal polarisation radiation. Judging by signal reports this antenna (and QTH) is exceptionally good as a receiving site. I made a rectangle DDRR antenna for 14MHz for mobile use - it looked like a roof rack. This indicated a small degree of vertical polarisation but this may have been radiating from the vehicle itself. Regards, Peter, G3LDO From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 34214 invoked from network); 6 Jan 2004 13:14:11 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 6 Jan 2004 13:14:11 -0000 Received: (qmail 26773 invoked from network); 6 Jan 2004 13:14:11 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 6 Jan 2004 13:14:10 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Adr2A-0006qz-8I for dave@picks.force9.co.uk; Tue, 06 Jan 2004 13:14:10 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Adr1e-0002XY-CG for rs_out@blacksheep.org; Tue, 06 Jan 2004 13:13:38 +0000 Received: from [212.135.6.13] (helo=smarthost3.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Adr1e-0002XP-1B for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2004 13:13:38 +0000 Received: from tnt-5-77.easynet.co.uk ([195.40.200.77] helo=erica) by smarthost3.mail.uk.easynet.net with smtp (Exim 4.10) id 1Adr1b-000L5R-00 for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2004 13:13:35 +0000 X-Bad-Message-ID: no DNS (erica) Message-ID: <000901c3d458$ebd94080$4dc828c3@erica> From: "g3ldo" To: rsgb_lf_group@blacksheep.org References: Date: Tue, 6 Jan 2004 13:21:51 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: Re: LF 2xTA Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 > XDW on 0235z @ 2.5A - heavy hoar frost on array > > Laurence > kl1x > 137,77355 dot 60 xdw Nothing seen at all Regards, Peter, G3LDO From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 96617 invoked from network); 6 Jan 2004 00:36:48 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 6 Jan 2004 00:36:48 -0000 Received: (qmail 92876 invoked from network); 6 Jan 2004 00:36:47 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 6 Jan 2004 00:36:47 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AdfDD-000O36-1D for dave@picks.force9.co.uk; Tue, 06 Jan 2004 00:36:47 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdfCW-0007hQ-JN for rs_out@blacksheep.org; Tue, 06 Jan 2004 00:36:04 +0000 Received: from [212.135.6.10] (helo=smarthost0.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AdfCW-0007hH-7d for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2004 00:36:04 +0000 Received: from tnt-18-205.easynet.co.uk ([212.134.224.205] helo=erica) by smarthost0.mail.uk.easynet.net with smtp (Exim 4.10) id 1AdfCT-000LQY-00 for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2004 00:36:03 +0000 X-Bad-Message-ID: no DNS (erica) Message-ID: <002001c3d3ef$1af7d580$abce28c3@erica> From: "g3ldo" To: rsgb_lf_group@blacksheep.org References: <001701c3d3e5$55a42c60$abce28c3@erica> Date: Tue, 6 Jan 2004 00:49:51 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Re: Re: LF 2xTA Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Received an N and part of an A. At the moment condx too poor and unstable for a QSO at this time. Switching over to receive on .77355 Peter LDO From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 26925 invoked from network); 5 Jan 2004 23:26:30 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 5 Jan 2004 23:26:30 -0000 Received: (qmail 69703 invoked from network); 5 Jan 2004 23:26:30 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 5 Jan 2004 23:26:29 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Ade7B-000I09-6O for dave@picks.force9.co.uk; Mon, 05 Jan 2004 23:26:29 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ade6r-0006lX-0C for rs_out@blacksheep.org; Mon, 05 Jan 2004 23:26:09 +0000 Received: from [212.135.6.13] (helo=smarthost3.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Ade6q-0006lO-LB for rsgb_lf_group@blacksheep.org; Mon, 05 Jan 2004 23:26:08 +0000 Received: from tnt-1-171.easynet.co.uk ([195.40.206.171] helo=erica) by smarthost3.mail.uk.easynet.net with smtp (Exim 4.10) id 1Ade6p-000H44-00 for rsgb_lf_group@blacksheep.org; Mon, 05 Jan 2004 23:26:08 +0000 X-Bad-Message-ID: no DNS (erica) Message-ID: <001701c3d3e5$55a42c60$abce28c3@erica> From: "g3ldo" To: rsgb_lf_group@blacksheep.org References: Date: Mon, 5 Jan 2004 23:39:50 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Re: LF 2xTA Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Marcus said "We will have to watch both bands to avoid stepping on each others toes. Frequencies already active during the warmup phase were 921.5, 922.1/.2, 922.5/.7, 923.35/.65 (but I won't give away call signs this time ;-)" I am set up on 920.5 Peter LDO From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 20263 invoked from network); 5 Jan 2004 21:38:09 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 5 Jan 2004 21:38:09 -0000 Received: (qmail 87510 invoked from network); 5 Jan 2004 21:38:09 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 5 Jan 2004 21:38:07 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AdcQJ-000MaC-Ht for dave@picks.force9.co.uk; Mon, 05 Jan 2004 21:38:07 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdcPr-0004pc-UU for rs_out@blacksheep.org; Mon, 05 Jan 2004 21:37:39 +0000 Received: from [212.135.6.13] (helo=smarthost3.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AdcPr-0004pQ-Hq for rsgb_lf_group@blacksheep.org; Mon, 05 Jan 2004 21:37:39 +0000 Received: from tnt-5-27.easynet.co.uk ([195.40.200.27] helo=erica) by smarthost3.mail.uk.easynet.net with smtp (Exim 4.10) id 1AdcPq-0009yJ-00 for rsgb_lf_group@blacksheep.org; Mon, 05 Jan 2004 21:37:39 +0000 X-Bad-Message-ID: no DNS (erica) Message-ID: <003a01c3d3d6$2ced09e0$9cce28c3@erica> From: "g3ldo" To: rsgb_lf_group@blacksheep.org References: Date: Mon, 5 Jan 2004 21:51:11 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Closedown Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi Laurence > > KL1X/WD2XDW will be closing down from Anchorage on this Tuesday 6th Jan > 1700Z. The Rhon 45 tower will be taken down this week if the winds abate. > The beacon will be on later this evening from appx 0100Z for the last night > of receiving and transmitter periods. (Also listening Lowfer band too). Rather sad that you are leaving Alaska but you have had a longer innings than expected. Your experimental work on LF has been an inspiration to us all. I am sure that I can speak for all the EU LF guys in wishing you and Sheri all the best at your new QTH. I really would like to try and receive WD2XDW before you go so it will be a maximum effort tonight monitoring .77355. I think Joe's announcement will result in a lot of LF RF from EU tonight! Regards Peter & Erica From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 20272 invoked from network); 5 Jan 2004 21:38:09 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 5 Jan 2004 21:38:09 -0000 Received: (qmail 87640 invoked from network); 5 Jan 2004 21:38:09 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 5 Jan 2004 21:38:07 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AdcQJ-000MaO-Qd for dave@picks.force9.co.uk; Mon, 05 Jan 2004 21:38:07 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdcPq-0004pK-KO for rs_out@blacksheep.org; Mon, 05 Jan 2004 21:37:38 +0000 Received: from [212.135.6.13] (helo=smarthost3.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AdcPq-0004pB-82 for rsgb_lf_group@blacksheep.org; Mon, 05 Jan 2004 21:37:38 +0000 Received: from tnt-5-27.easynet.co.uk ([195.40.200.27] helo=erica) by smarthost3.mail.uk.easynet.net with smtp (Exim 4.10) id 1AdcPp-0009yJ-00 for rsgb_lf_group@blacksheep.org; Mon, 05 Jan 2004 21:37:37 +0000 X-Bad-Message-ID: no DNS (erica) Message-ID: <003901c3d3d6$2c2cc720$9cce28c3@erica> From: "g3ldo" To: rsgb_lf_group@blacksheep.org References: <8e.a662cb.2d2a08f3@aol.com> <001801c3d3b7$66ea1a80$9cce28c3@erica> Date: Mon, 5 Jan 2004 21:41:31 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: LF 2xTA Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi Joe > Thanks Peter, G3LDO for pointing out that I left out the my TX mode. > I'll be running QRSS CW dot 20 and watching dot 60 to start. If > condx are OK will try dot 20 RX. It takes just under half an hour > to send "VO1NA K" at dot 20. After this I'll RX for half an hour. Argo ideally should be set approximately for the dot length expected. If set at dot 30 it should be able to read dot 20 and even dot 60 with some loss in sigs/noise. It would also give a window, centred on 135.22 of 135.919 to 135.925, which might be useful. You might have a lot of customers after your announcement. Even if you don't make a T/A QSO it would be interesting to see how many signals you see. Regards, Peter, G3LDO From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 65406 invoked from network); 5 Jan 2004 17:57:45 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 5 Jan 2004 17:57:45 -0000 Received: (qmail 60972 invoked from network); 5 Jan 2004 17:57:45 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 5 Jan 2004 17:57:43 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AdYz1-000Fe1-Li for dave@picks.force9.co.uk; Mon, 05 Jan 2004 17:57:43 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdYyj-0001YL-Vm for rs_out@blacksheep.org; Mon, 05 Jan 2004 17:57:25 +0000 Received: from [212.135.6.13] (helo=smarthost3.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AdYyj-0001YC-Jm for rsgb_lf_group@blacksheep.org; Mon, 05 Jan 2004 17:57:25 +0000 Received: from tnt-1-156.easynet.co.uk ([195.40.206.156] helo=erica) by smarthost3.mail.uk.easynet.net with smtp (Exim 4.10) id 1AdYyi-000I1X-00 for rsgb_lf_group@blacksheep.org; Mon, 05 Jan 2004 17:57:25 +0000 X-Bad-Message-ID: no DNS (erica) Message-ID: <001801c3d3b7$66ea1a80$9cce28c3@erica> From: "g3ldo" To: rsgb_lf_group@blacksheep.org References: <8e.a662cb.2d2a08f3@aol.com> Date: Mon, 5 Jan 2004 18:11:14 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: LF 2xTA Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi Joe > > Alan G3NYK is predicting favourable condx for possible QSO's > so starting at 2300 tonight, I'll TX 137.777 kHz and > RX 135.922 kHz +- 1.5 Hz starting 2330. Will > repeat this at 0000 and activate beacon if no QSO. > > Good signals have been received from CT1DRP, PA0SE, DF6NM > on a 15 turn 5 foot square loop. > The frequency width of your listening window implies that you will be using 60s dots. If you are using QRSS60 it will take over an hour to send your call. Using DFCW it will take less than half that time. What mode are you considering using? Regards, Peter, G3LDO From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 17783 invoked from network); 4 Jan 2004 10:38:16 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 4 Jan 2004 10:38:16 -0000 Received: (qmail 12620 invoked from network); 4 Jan 2004 10:38:16 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 4 Jan 2004 10:38:15 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Ad5eB-0003AJ-Ey for dave@picks.force9.co.uk; Sun, 04 Jan 2004 10:38:15 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ad5dh-0006Cv-GE for rs_out@blacksheep.org; Sun, 04 Jan 2004 10:37:45 +0000 Received: from [212.135.6.11] (helo=smarthost1.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Ad5dh-0006Cm-5R for rsgb_lf_group@blacksheep.org; Sun, 04 Jan 2004 10:37:45 +0000 Received: from tnt-2-110.easynet.co.uk ([195.40.196.110] helo=erica) by smarthost1.mail.uk.easynet.net with smtp (Exim 4.10) id 1Ad5dg-000EOG-00 for rsgb_lf_group@blacksheep.org; Sun, 04 Jan 2004 10:37:44 +0000 X-Bad-Message-ID: no DNS (erica) Message-ID: <001001c3d2b0$ce572300$6ec428c3@erica> From: "g3ldo" To: rsgb_lf_group@blacksheep.org References: Date: Sun, 4 Jan 2004 10:51:39 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: TA beaconing Sat/Sun 23:20 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Just a trace of a signal on Laurence's frequency at around 0800 this morning. Peter LDO From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 96844 invoked from network); 4 Jan 2004 00:47:14 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 4 Jan 2004 00:47:14 -0000 Received: (qmail 947 invoked from network); 4 Jan 2004 00:47:14 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 4 Jan 2004 00:47:13 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AcwQD-00008N-5A for dave@picks.force9.co.uk; Sun, 04 Jan 2004 00:47:13 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AcwPx-0005Zp-0f for rs_out@blacksheep.org; Sun, 04 Jan 2004 00:46:57 +0000 Received: from [212.135.6.12] (helo=smarthost2.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AcwPw-0005Zg-Jm for rsgb_lf_group@blacksheep.org; Sun, 04 Jan 2004 00:46:56 +0000 Received: from tnt-1-120.easynet.co.uk ([195.40.206.120] helo=erica) by smarthost2.mail.uk.easynet.net with smtp (Exim 4.10) id 1AcwPv-000PlP-00 for rsgb_lf_group@blacksheep.org; Sun, 04 Jan 2004 00:46:56 +0000 X-Bad-Message-ID: no DNS (erica) Message-ID: <002701c3d25e$47c29880$f4c828c3@erica> From: "g3ldo" To: rsgb_lf_group@blacksheep.org References: <9d.43019cc8.2d28aeed@aol.com> Date: Sun, 4 Jan 2004 01:00:46 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: TA beaconing Sat/Sun 23:20 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Markus, DF6NM, said ------------------------------------------------- at 23:20 UT, the following stations were seen on air: 135923.45/.55 CT1DRP dfcw 60s ~-3dBľV/m 135922.50/.70 DK1IS dfcw 150s 36dBľV/m 135922.2/.3 DF6NM dfcw 60+20s (starting 23:40, 0.1Hz lower than yesterday) 135921.93 PA0SE qrss 120s ~13dBľV/m 135921.52 SM6BHZ qrss 60s 18dBľV/m 135920.86 DJ8WX qrss 30s ~10dBľV/m 135919.75 DJ2LF qrss 60s 42dBľV/m -------------------------------------------------------- All signals seen here, some very strong - looks like a snowball fight! Going into listening/looking mode tonight around 137.77kHz. My TS-850 has died and am using the IC-705. With the larger resonated transmitting antenna it seems reasonably sensitive and more stable than the standard 850. Good luck to the transmitting group. Regards, Peter, G3LDO From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 63821 invoked from network); 3 Jan 2004 18:47:11 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 3 Jan 2004 18:47:11 -0000 Received: (qmail 81767 invoked from network); 3 Jan 2004 18:47:11 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 3 Jan 2004 18:47:10 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Acqnm-000LA3-3u for dave@picks.force9.co.uk; Sat, 03 Jan 2004 18:47:10 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AcqnX-0000Ys-FC for rs_out@blacksheep.org; Sat, 03 Jan 2004 18:46:55 +0000 Received: from [212.135.6.13] (helo=smarthost3.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AcqnX-0000Yj-2s for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 18:46:55 +0000 Received: from tnt-5-244.easynet.co.uk ([195.40.200.244] helo=erica) by smarthost3.mail.uk.easynet.net with smtp (Exim 4.10) id 1AcqnW-0007mo-00 for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 18:46:54 +0000 X-Bad-Message-ID: no DNS (erica) Message-ID: <000001c3d22b$f91908e0$f4c828c3@erica> From: "g3ldo" To: rsgb_lf_group@blacksheep.org References: <1d2.1724e332.2d2764e6@aol.com> Date: Sat, 3 Jan 2004 18:59:52 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: TA beaconing Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Markus, DF6NM said: ----------------------------------- Before midnight UT, Peter joined in, and DJ8WO came back on a new QRG: 135923.13 G3LDO qrss 60s (14dBľV/m qsb) 135922.3/.4 DF6NM dfcw 60s/20s (~170mW EMRP) 135921.89 PA0SE qrss 60s (~13dBľV/m qsb) 135920.86 DJ8WO qrss 30s (13dBľV/m) ------------------------------------ Congratulations to Markus and Laurence for the transmission and reception of dfcw signals on 135.92kHz. Quite an achievement with such a low ERP. My frequency checks. My DDS unit read 135.923. My 6667 Philips frequency counter said 135.923.1. This dropped to 135.922.9 at the end of the transmission due to shack temperature rise. This agrees well with the images from Jay and John. Laurence's frequency shows 423.05, which means, I guess, 135.923.05 (a closer setting of the receiver to the actual received signal). Many thanks for the pictures. Regards, Peter, G3LDO e-mail From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 9239 invoked from network); 3 Jan 2004 01:34:55 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 3 Jan 2004 01:34:55 -0000 Received: (qmail 30224 invoked from network); 3 Jan 2004 01:34:55 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 3 Jan 2004 01:34:54 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Acago-0007kp-F1 for dave@picks.force9.co.uk; Sat, 03 Jan 2004 01:34:54 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AcagL-0004SD-Ko for rs_out@blacksheep.org; Sat, 03 Jan 2004 01:34:25 +0000 Received: from [212.135.6.13] (helo=smarthost3.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AcagJ-0004S4-7K for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 01:34:23 +0000 Received: from tnt-5-49.easynet.co.uk ([195.40.200.49] helo=erica) by smarthost3.mail.uk.easynet.net with smtp (Exim 4.10) id 1AcagE-000Igf-00 for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 01:34:19 +0000 X-Bad-Message-ID: no DNS (erica) Message-ID: <002e01c3d19b$bb172c60$11c828c3@erica> From: "g3ldo" To: rsgb_lf_group@blacksheep.org References: <1d2.1724e332.2d2764e6@aol.com> Date: Sat, 3 Jan 2004 01:47:47 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: TA beaconing update Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Vester@aol.com To: rsgb_lf_group@blacksheep.org Sent: Saturday, January 03, 2004 12:20 AM Subject: LF: TA beaconing update Markus said: ---------------------------------- Before midnight UT, Peter joined in, and DJ8WO came back on a new QRG: 135923.13 G3LDO qrss 60s (14dBľV/m qsb) 135922.3/.4 DF6NM dfcw 60s/20s (~170mW EMRP) 135921.89 PA0SE qrss 60s (~13dBľV/m qsb) 135920.86 DJ8WO qrss 30s (13dBľV/m) ---------------------------------- I had taken part of my Decca transmitter apart to take some photos. When I put it back together this evening I noticed a lot of activity from EU so decided to fire the transmitter up. The night is fine and dry with a sharp frost. Ideal for my fold-over antenna. The power supply is struggling with long transmissions of QRSS60 but I think I will leave it on following encouraging e-mails. Must go to bed - it is 0130, past my bedtime! Peter LDO From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 90894 invoked from network); 1 Jan 2004 23:03:53 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 1 Jan 2004 23:03:53 -0000 Received: (qmail 72897 invoked from network); 1 Jan 2004 23:03:52 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 1 Jan 2004 23:03:51 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AcBr5-000Ir4-QG for dave@picks.force9.co.uk; Thu, 01 Jan 2004 23:03:51 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AcBqj-0003LB-DI for rs_out@blacksheep.org; Thu, 01 Jan 2004 23:03:29 +0000 Received: from [212.135.6.12] (helo=smarthost2.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AcBqi-0003L2-Vw for rsgb_lf_group@blacksheep.org; Thu, 01 Jan 2004 23:03:29 +0000 Received: from tnt-2-117.easynet.co.uk ([195.40.196.117] helo=erica) by smarthost2.mail.uk.easynet.net with smtp (Exim 4.10) id 1AcBqh-000ERb-00 for rsgb_lf_group@blacksheep.org; Thu, 01 Jan 2004 23:03:28 +0000 X-Bad-Message-ID: no DNS (erica) Message-ID: <000001c3d0bd$774df560$75c428c3@erica> From: "g3ldo" To: rsgb_lf_group@blacksheep.org References: <000001c3d009$acf7a620$c7e47f50@Smisan> Date: Thu, 1 Jan 2004 22:31:13 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: Re: "T" versus "L"aerial Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Mike, PC4M said ----------------------------------- Does the computer calculate the earth losses in the return path from the aerial system to the transmitter? If it would then the earth losses in a T should have been significantly less then the L alternative. There are two separate return currents (parallel resistance) and each with a smaller physical length (lower R-earth) in a T system resulting in more ERP if compared to an L system. ----------------------------------- In the early days of LF experimenting we all thought Ts and Ls from available LF commercial knowledge. It soon became apparent that for a suburban QTH the shape of the antenna was unimportant. The trick seemed to be to put up as much wire covering the greatest area and as high as possible. John, G4JVC had a long wire running the length of the garden, 3m high at the feed end and 12m high at the other. With this antenna and a TS-850 he was able to hear a lot of DX that we couldn't (he was the first to hear OH5TN). All very electrically small antennas have the same half doughnut shaped 3-D polar diagram on a computer model. Ground parameters have a huge effect on small LF antenna performances so I guess they must compute return path losses. Regards, Peter, G3LDO e-mail From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 83237 invoked from network); 31 Jan 2004 13:47:15 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore03.plus.net with SMTP; 31 Jan 2004 13:47:15 -0000 Received: (qmail 8141 invoked from network); 31 Jan 2004 13:47:15 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 31 Jan 2004 13:47:12 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AmvSq-0001rg-HJ for dave@picks.force9.co.uk; Sat, 31 Jan 2004 13:47:12 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AmvS8-00019y-Nj for rs_out@blacksheep.org; Sat, 31 Jan 2004 13:46:28 +0000 Received: from [213.40.2.23] (helo=bodum.sout.netline.net.uk) by post.thorcom.com with esmtp (Exim 4.14) id 1AmvS8-00019P-96 for rsgb_lf_group@blacksheep.org; Sat, 31 Jan 2004 13:46:28 +0000 Received: from [213.40.201.135] (helo=taylormade) by bodum.sout.netline.net.uk with smtp (Exim 4.24) id 1AmvRc-000403-Ui for rsgb_lf_group@blacksheep.org; Sat, 31 Jan 2004 13:45:57 +0000 From: "G4WGT - Gary" To: "Rsgb_Lf_Group" Date: Sat, 31 Jan 2004 13:46:03 -0000 Message-ID: MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0) X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Importance: Normal Subject: LF: G0MRF 300 w Tx Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Hi all at LF, Can anyone advise me regarding using an external vfo on the 300 w transmitter external vfo option. Has anyone used this feature? Connecting to the external vfo input pin produces no output. I have just built the KG6CYN DDS VFO offered by the G-QRP CLUB. Output: Buffered 1 Vpp into 50 Ohms for 50KHz to 40 MHz - Non Buffered Output also provided. The original can be found at http://www.qsl.net/kg6cyn/DDS_Project.htm Similar e-mail to David direct. Thanks & 73 Gary - G4WGT From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 99233 invoked from network); 24 Jan 2004 19:45:53 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 24 Jan 2004 19:45:53 -0000 Received: (qmail 70506 invoked from network); 24 Jan 2004 19:45:53 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 24 Jan 2004 19:45:52 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AkTj5-000IEG-Rr for dave@picks.force9.co.uk; Sat, 24 Jan 2004 19:45:51 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AkTil-00012k-Dd for rs_out@blacksheep.org; Sat, 24 Jan 2004 19:45:31 +0000 Received: from [213.40.2.14] (helo=gourd.sout.netline.net.uk) by post.thorcom.com with esmtp (Exim 4.14) id 1AkTik-00012R-Hd for rsgb_lf_group@blacksheep.org; Sat, 24 Jan 2004 19:45:30 +0000 Received: from [213.40.201.76] (helo=taylormade) by gourd.sout.netline.net.uk with smtp (Exim 4.24) id 1AkTiF-0007NW-4c for rsgb_lf_group@blacksheep.org; Sat, 24 Jan 2004 19:44:59 +0000 From: "G4WGT - Gary" To: rsgb_lf_group@blacksheep.org Date: Sat, 24 Jan 2004 19:45:14 -0000 Message-ID: MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0) Importance: Normal In-reply-to: <000d01c3e212$ba8e9120$73338751@rogersservices> X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: RE: 137 kHz project......Handy cost-saving tip Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.6 required=5.0 tests=HTML_40_50,HTML_FONTCOLOR_BLUE,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit
Hi Jim & LF,
 
I am using a core from a VGA computer monitor scanning coil yoke for the core in my LF antenna matching transformer wound with 2.5 mm mains wire with 10 turns primary & 20 turns secondary  (tapped every other turn from turn 10), for matching to the loading coil & antenna & seems to work ok .
 
73
 
Gary - G4WGT
-----Original Message-----
From: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org]On Behalf Of James Moritz
Sent: 24 January 2004 00:40
To: rsgb_lf_group@blacksheep.org
Subject: LF: 137 kHz project......Handy cost-saving tip

Dear Dick, LF Group,
 
Thinking of cheap sources of ferrite, I have used the cores from old computer monitor line output transformers for some time for supression purposes - but the type of ferrite they are made from is very similar to the 3C8/3C85/3C90 grades often used on LF PA circuits.
 
 
Cheers, Jim Moritz
73 de M0BMU
 
 
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 31467 invoked from network); 22 Jan 2004 20:47:47 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by mailstore with SMTP; 22 Jan 2004 20:47:47 -0000 Received: (qmail 62486 invoked from network); 22 Jan 2004 20:47:45 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 22 Jan 2004 20:47:43 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Ajljr-000G3f-Hp for dave@picks.force9.co.uk; Thu, 22 Jan 2004 20:47:43 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ajljd-0000Xu-0v for rs_out@blacksheep.org; Thu, 22 Jan 2004 20:47:29 +0000 Received: from [213.40.2.14] (helo=gourd.sout.netline.net.uk) by post.thorcom.com with esmtp (Exim 4.14) id 1Ajljc-0000Xj-4b for rsgb_lf_group@blacksheep.org; Thu, 22 Jan 2004 20:47:28 +0000 Received: from [213.40.203.201] (helo=taylormade) by gourd.sout.netline.net.uk with smtp (Exim 4.24) id 1Ajlj6-0000O6-UD for rsgb_lf_group@blacksheep.org; Thu, 22 Jan 2004 20:46:57 +0000 From: "G4WGT - Gary" To: rsgb_lf_group@blacksheep.org Date: Thu, 22 Jan 2004 20:47:59 -0000 Message-ID: MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0) Importance: Normal In-reply-to: <000c01c3e02e$600a21a0$01eafc3e@l8p8y6> X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: RE: SOFT START Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.5 required=5.0 tests=HTML_30_40,HTML_FONTCOLOR_BLUE,HTML_MESSAGE,SUBJ_ALL_CAPS autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit
Hi to Mal & LF Group,
 
What Mal has said reminds me of when I used to do TV repairs in the days of VALVES (before solid state). A TV which I had on the bench monitoring for a fault must have had a faulty power supply electrolytic cap or had gone over-voltage on the supply rail, the cap had got very hot & exploded & the metal case of the cap fired like a mortor shell & burst half way thro' the top of the wooden cabinet (and yes it was real wood, not chipboard like today). I hate to think of the fact that I had been peering in the thing a few minutes before.
 
73
 
Gary - G4WGT
-----Original Message-----
From: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org]On Behalf Of hamilton mal
Sent: 21 January 2004 14:53
To: rsgb_lf_group@blacksheep.org
Subject: LF: SOFT START

 Most Amateurs that I have spoken to do not realize the danger involved. One of the bean can size electrolytics 200 mfd capacity exploding would be like firing a mortar, probably demolish the house in some cases.
73 de Mal/G3KEV
 
 
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 35627 invoked from network); 17 Jan 2004 13:29:28 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 17 Jan 2004 13:29:28 -0000 Received: (qmail 52518 invoked from network); 17 Jan 2004 13:29:28 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 17 Jan 2004 13:29:27 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AhqVz-000DYS-I5 for dave@picks.force9.co.uk; Sat, 17 Jan 2004 13:29:27 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AhqVE-00032M-9m for rs_out@blacksheep.org; Sat, 17 Jan 2004 13:28:40 +0000 Received: from [213.40.2.15] (helo=bedpan.sout.netline.net.uk) by post.thorcom.com with esmtp (Exim 4.14) id 1AhqVD-00032D-Fm for rsgb_lf_group@blacksheep.org; Sat, 17 Jan 2004 13:28:39 +0000 Received: from [213.40.202.155] (helo=taylormade) by bedpan.sout.netline.net.uk with smtp (Exim 4.24) id 1AhqUh-0007K2-SN for rsgb_lf_group@blacksheep.org; Sat, 17 Jan 2004 13:28:08 +0000 From: "G4WGT - Gary" To: "Rsgb_Lf_Group" Date: Sat, 17 Jan 2004 13:29:02 -0000 Message-ID: MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0) Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: LF Signals overnight Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Hi All at LF, Monitoring with Spectrum Lab QRS10 started at 2315 gmt saw G3LDO (135,921) very strong and first capture at about 0045 gmt showing RU6LA (135,922.5 according to my screen using Peter's signal as reference) signal faint but fully visible & complete alongside G3LDO (very strong & dog-bone effect), RU6LA signals came up quite strong from about 0120 gmt & all through the night until fading started at 0545 gmt but still good complete visible signals until about 0610 then nothing after that (possibly end of transmission). Later just after 0730 gmt saw complete signals from CT1DRP (DFCW about 135,923.5)on my last capture but still strong signals up to almost 1040 gmt when monitoring live, nothing more after 1045 gmt (possibly end of transmission). 73 Gary - G4WGT. From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 60166 invoked from network); 4 Jan 2004 20:08:17 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 4 Jan 2004 20:08:17 -0000 Received: (qmail 5246 invoked from network); 4 Jan 2004 20:08:16 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 4 Jan 2004 20:08:16 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AdEXn-0001Fq-PS for dave@picks.force9.co.uk; Sun, 04 Jan 2004 20:08:15 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdEXR-0006GF-Hw for rs_out@blacksheep.org; Sun, 04 Jan 2004 20:07:53 +0000 Received: from [213.40.2.14] (helo=gourd.sout.netline.net.uk) by post.thorcom.com with esmtp (Exim 4.14) id 1AdEXR-0006G2-07 for rsgb_lf_group@blacksheep.org; Sun, 04 Jan 2004 20:07:53 +0000 Received: from [213.40.202.193] (helo=taylormade) by gourd.sout.netline.net.uk with smtp (Exim 4.24) id 1AdEWv-0003bI-NQ for rsgb_lf_group@blacksheep.org; Sun, 04 Jan 2004 20:07:22 +0000 From: "G4WGT - Gary" To: rsgb_lf_group@blacksheep.org Date: Sun, 04 Jan 2004 20:07:44 -0000 X-Priority: 3 In-reply-to: <000201c3d2db$27f8e680$6ce4fc3e@l8p8y6> X-Bad-Message-ID: no DNS (taylormade) Message-ID: <613WA6ZYUPYVZVTRMA0PJ2XC83X84LG.3ff87290@taylormade> MIME-Version: 1.0 X-Mailer: Opera 6.03 build 1107 Subject: Re: LF: Re: Antenna's Content-Type: text/plain; charset=iso-8859-1; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 04/01/2004 14:19:22, "hamilton mal" wrote: >My suggestion is to use the mast as a support for a vertical arrangement. >Connect all horizontal wires regardless of configuration together at the top >of your 14 metre mast and use a vertical drop lead to connect to your >loading/matching coil. ie a top loaded vertical. Keep the drop wire about 1 >metre out and away from the mast, the wire does not have to be exactly >vertical pull it out at the bottom end about 2 metres. I am assuming your >mast is earthed, if not use the mast as the vertical radiator with the top >wires connected directly to it at the top and feed the bottom end of mast to >the loading coil. Resonate the coil for your preferred frequency on 136 khz >and use a smaller coil at he bottom feed end in series to earth as a 50 ohm >matching device. Earth the coax braid and tap the coax centre conductor up a >few turns from earth to get the perfect match. A small call is preferable to >get an accurate match, tapping up the large coil from the bottom is too >coarse. >Hope this helps you but maybe you know all of this already hi >73 de Mal/G3KEV Hi Mal, Thanks for your reply & comments, most of the info I am already aware of, I was just considering wether to feed at the centre of the inverted V (bow tie shape) or at one end of the inverted V. I know its probably a case of "suck it & see" never-the-less I do appreciate any-ones comments on the matter. At the moment I am matching the coil with a transformer wound on a TV scan coil core with 10 turns pri & 20 turns tapped on sec & it gives me 1 : 1 match as far as my equipment shows. 73 Gary - G4WGT From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 54582 invoked from network); 22 Jan 2004 07:25:24 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 22 Jan 2004 07:25:24 -0000 Received: (qmail 81278 invoked from network); 22 Jan 2004 07:25:24 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 22 Jan 2004 07:25:23 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AjZDO-000L1z-WB for dave@picks.force9.co.uk; Thu, 22 Jan 2004 07:25:23 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AjZCp-0001LI-PY for rs_out@blacksheep.org; Thu, 22 Jan 2004 07:24:47 +0000 Received: from [192.108.125.11] (helo=alpha.sbs.sk) by post.thorcom.com with esmtp (Exim 4.14) id 1AjZCp-0001L9-0n for rsgb_lf_group@blacksheep.org; Thu, 22 Jan 2004 07:24:47 +0000 Received: from hermes.sbs.sk (hermes.sbs.sk [192.108.125.51]) by alpha.sbs.sk (Postfix) with ESMTP id 66E6B3ECB for ; Thu, 22 Jan 2004 08:24:44 +0100 (CET) X-Fake-Domain: btss005a.sbs.sk Received: from btss005a.sbs.sk (btss.swh.sk [139.24.136.180]) by hermes.sbs.sk (8.12.6/8.12.6/SuSE Linux 0.6) with ESMTP id i0M7OiCc005166 for ; Thu, 22 Jan 2004 08:24:44 +0100 Received: by btss.siemens-pse.sk with Internet Mail Service (5.5.2653.19) id ; Thu, 22 Jan 2004 08:24:43 +0100 X-Bad-Message-ID: no DNS (btss.siemens-pse.sk) Message-ID: From: "Gasparik Richard" To: rsgb_lf_group@blacksheep.org Date: Thu, 22 Jan 2004 08:24:41 +0100 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2653.19) Subject: LF: RE: TDA2030 amplifier by OM2TW Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.6 required=5.0 tests=HTML_40_50,HTML_FONTCOLOR_BLUE,HTML_MESSAGE,MAILTO_TO_SPAM_ADDR autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
Hi Dick,
 
L3/L4 is a step up transformer. Normaly the TDA 2030 have 4-8 Ohm output impedance. You must look for an toroid with very high permeability (2000 and more) and make an L3:L4 = 1:3 transformer (in my case 11 turns primary:33turns secondary) whitch is 1:9 impedance transformer.
 
73 de Rich OM2TW
 
 -----Original Message-----
From: Dick [mailto:knaap159@zonnet.nl]
Sent: Wednesday, January 21, 2004 8:35 PM
To: rsgb_lf_group@blacksheep.org
Subject: LF: TDA2030 amplifier by OM2TW

Hello all,
 
As I haven't OM2TW's emailadress right now, I'll ask here.
I found an pdf.drawing of the TDA2030 amplifier giving 5Watts or so on 136kHz.
however, at hte output stage there are two coils L3/L4 (ouput transformer) with no
further details mentioned.
Can anyone help me with detailed info about the value/or how to construct these coils?
Also some uncertainty about C21 and C22, are they elco's or normal C's????
 
73 Dick, pa4vhf
 
(now probably first try to create QRP in an easy way.......)
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 24890 invoked from network); 19 Jan 2004 17:01:35 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 19 Jan 2004 17:01:35 -0000 Received: (qmail 11981 invoked from network); 19 Jan 2004 17:01:34 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 19 Jan 2004 17:01:33 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AicmL-000304-LN for dave@picks.force9.co.uk; Mon, 19 Jan 2004 17:01:33 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Aicm1-0007ST-DQ for rs_out@blacksheep.org; Mon, 19 Jan 2004 17:01:13 +0000 Received: from [192.108.125.11] (helo=alpha.sbs.sk) by post.thorcom.com with esmtp (Exim 4.14) id 1Aicm0-0007SK-VD for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 17:01:13 +0000 Received: from hermes.sbs.sk (hermes.sbs.sk [192.108.125.51]) by alpha.sbs.sk (Postfix) with ESMTP id 9D5D14317 for ; Mon, 19 Jan 2004 18:01:03 +0100 (CET) X-Fake-Domain: btss005a.sbs.sk Received: from btss005a.sbs.sk (btss.swh.sk [139.24.136.180]) by hermes.sbs.sk (8.12.6/8.12.6/SuSE Linux 0.6) with ESMTP id i0JH12Rk022120 for ; Mon, 19 Jan 2004 18:01:02 +0100 Received: by btss.siemens-pse.sk with Internet Mail Service (5.5.2653.19) id ; Mon, 19 Jan 2004 18:01:02 +0100 X-Bad-Message-ID: no DNS (btss.siemens-pse.sk) Message-ID: From: "Gasparik Richard" To: rsgb_lf_group@blacksheep.org Date: Mon, 19 Jan 2004 18:00:58 +0100 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2653.19) Subject: LF: RE: Re: AC feeder... Content-Type: text/plain; charset=ISO-8859-2; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Yes, this is idea. But there are lights and they can't be switched off (there are not fuses, fuser are 500m away on the TX site...hi). Rich -----Original Message----- From: Alan Melia [mailto:Alan.Melia@btinternet.com] Sent: Monday, January 19, 2004 5:01 PM To: rsgb_lf_group@blacksheep.org Subject: LF: Re: AC feeder... Hi Rich, it may be right off and impossible ( I am not a BC engineer !! or a power engineer) But would it be possible to put a capacitor in parallel with the light-feed chokes to parallel tune them to nearer 136kHz and increase their impedance to that frequency ?? Flames accepted if that is a silly idea. !! It would need to be a high voltage rated cap of course. Cheers de Alan G3NYK alan.melia@btinternet.com ----- Original Message ----- From: "Gasparik Richard" To: "Rsgb_Lf_Group (E-mail)" Sent: 19 January 2004 15:36 Subject: LF: AC feeder... > Here is the feeding of AC through the RF line...inside the feeder....very > well coupling... > > Rich OM2TW > <> > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 17672 invoked from network); 19 Jan 2004 15:37:16 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 19 Jan 2004 15:37:16 -0000 Received: (qmail 98402 invoked from network); 19 Jan 2004 15:37:15 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 19 Jan 2004 15:37:14 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AibSi-000PSZ-0t for dave@picks.force9.co.uk; Mon, 19 Jan 2004 15:37:12 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AibSW-0005Ku-SH for rs_out@blacksheep.org; Mon, 19 Jan 2004 15:37:00 +0000 Received: from [192.108.125.11] (helo=alpha.sbs.sk) by post.thorcom.com with esmtp (Exim 4.14) id 1AibSV-0005Kj-Dy for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 15:36:59 +0000 Received: from hermes.sbs.sk (hermes.sbs.sk [192.108.125.51]) by alpha.sbs.sk (Postfix) with ESMTP id 0165C4116 for ; Mon, 19 Jan 2004 16:36:59 +0100 (CET) X-Fake-Domain: btss005a.sbs.sk Received: from btss005a.sbs.sk (btss.swh.sk [139.24.136.180]) by hermes.sbs.sk (8.12.6/8.12.6/SuSE Linux 0.6) with ESMTP id i0JFavRk014372 for ; Mon, 19 Jan 2004 16:36:58 +0100 Received: by btss.siemens-pse.sk with Internet Mail Service (5.5.2653.19) id ; Mon, 19 Jan 2004 16:36:57 +0100 X-Bad-Message-ID: no DNS (btss.siemens-pse.sk) Message-ID: From: "Gasparik Richard" To: "Rsgb_Lf_Group \(E-mail\)" Date: Mon, 19 Jan 2004 16:36:53 +0100 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2653.19) Subject: LF: AC feeder... Content-Type: multipart/mixed; boundary="------------020003060802010406000806" X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 This is a multi-part message in MIME format. --------------020003060802010406000806 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit Here is the feeding of AC through the RF line...inside the feeder....very well coupling... 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Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AibRS-0005JA-2S for rs_out@blacksheep.org; Mon, 19 Jan 2004 15:35:54 +0000 Received: from [192.108.125.11] (helo=alpha.sbs.sk) by post.thorcom.com with esmtp (Exim 4.14) id 1AibRQ-0005J1-TS for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 15:35:53 +0000 Received: from hermes.sbs.sk (hermes.sbs.sk [192.108.125.51]) by alpha.sbs.sk (Postfix) with ESMTP id E20893FD1 for ; Mon, 19 Jan 2004 16:35:18 +0100 (CET) X-Fake-Domain: btss005a.sbs.sk Received: from btss005a.sbs.sk (btss.swh.sk [139.24.136.180]) by hermes.sbs.sk (8.12.6/8.12.6/SuSE Linux 0.6) with ESMTP id i0JFZHRk014198 for ; Mon, 19 Jan 2004 16:35:18 +0100 Received: by btss.siemens-pse.sk with Internet Mail Service (5.5.2653.19) id ; Mon, 19 Jan 2004 16:35:17 +0100 X-Bad-Message-ID: no DNS (btss.siemens-pse.sk) Message-ID: From: "Gasparik Richard" To: "Rsgb_Lf_Group \(E-mail\)" Date: Mon, 19 Jan 2004 16:35:12 +0100 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2653.19) Subject: LF: Re: test failed.... Content-Type: multipart/mixed; boundary="------------050504010209060105010709" X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 This is a multi-part message in MIME format. --------------050504010209060105010709 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit Here are chokes for AC/RF insulation... 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Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Aib6Q-000GIg-MX for dave@picks.force9.co.uk; Mon, 19 Jan 2004 15:14:10 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Aib6I-0004ze-UV for rs_out@blacksheep.org; Mon, 19 Jan 2004 15:14:02 +0000 Received: from [192.108.125.11] (helo=alpha.sbs.sk) by post.thorcom.com with esmtp (Exim 4.14) id 1Aib6I-0004zV-CZ for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 15:14:02 +0000 Received: from hermes.sbs.sk (hermes.sbs.sk [192.108.125.51]) by alpha.sbs.sk (Postfix) with ESMTP id D7DFE45D6 for ; Mon, 19 Jan 2004 16:14:01 +0100 (CET) X-Fake-Domain: btss005a.sbs.sk Received: from btss005a.sbs.sk (btss.swh.sk [139.24.136.180]) by hermes.sbs.sk (8.12.6/8.12.6/SuSE Linux 0.6) with ESMTP id i0JFE0Rk011029 for ; Mon, 19 Jan 2004 16:14:00 +0100 Received: by btss.siemens-pse.sk with Internet Mail Service (5.5.2653.19) id ; Mon, 19 Jan 2004 16:14:00 +0100 X-Bad-Message-ID: no DNS (btss.siemens-pse.sk) Message-ID: From: "Gasparik Richard" To: rsgb_lf_group@blacksheep.org Date: Mon, 19 Jan 2004 16:13:56 +0100 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2653.19) Subject: RE: LF: Test failed... Content-Type: text/plain; charset=ISO-8859-2; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi Rik and others... After I discuss this problems with Bob OK2BVG and we found the problem. The tower itsefs is DC isolated, but...on the tower are 4 lihgts (2x in 70m and 2x in 135m) powered by 410m of twisted-pair cable. So, this is total 820m of wire well cupled with the antenna. This antenna has been on air for about 20 year on the frequency 1097kHz. The filters are designed for this frequency and have a very low reactance on 136kHz. Any idea? 73 de Rich OM2TW -----Original Message----- From: Rik Strobbe [mailto:rik.strobbe@fys.kuleuven.ac.be] Sent: Monday, January 19, 2004 2:58 PM To: rsgb_lf_group@blacksheep.org Subject: Re: LF: Test failed... Hello Rich, According to MMAMA the antenna capacitance should be something like 2.7nF, thus a loadingcoil of +/- 500uH would be needed. I assume that at least one of the variometers covered this range. It is a wild guess, but maybe the power is "DC grounded" using a coil from the antenna base to ground. If this coil is dimensioned for a much higher frequency (MF) it can cause rather strange effects on LF. Eg. : Assume the original use of the tower was a lambda/4 antenna at MF, for a 135 m tower that would be +/- 550 kHz. Antenna impedance (at 550kHz) would be +/- 36 Ohm, so "good engineering" would require a DC path to ground (for safety) with a Z of at least 10 times the antenna impedance = 360 Ohm. At 550 kHz this would mean a +/- 100 uH inductor. So, instead of seeing the antenna as a 2.7nF capacitor to ground it should be seen as a L-C parallel circuit (100 uH // 2.7 nF). Or in terms of reactances (at 136 kHz) : +j85 Ohm // -j433 Ohm = +j106 Ohm (= +/- 124 uH at 136 kHz). To get the antenna tuned (brought to resonance) you would need a series capacitor (not inductor !) with a reactance of -j106 Ohm at 136 kHz = +/- 11 nF. This kind of tuning will also cause impedance transformation : If the resistive component (radiation resistance + loss) is 20 Ohm it will be transformed to 1.2 Ohm and the "system Q" will rise from 22 to 108 (making tuning rather critical). 73, Rik ON7YD >We will try tu tune the antenna with your help, if anybody can help me. >I'll be very happy. >I'll give you all necessary datas: > >Vertical is 135m high with 170cm in diameter (no cap hat), there are 120 >radials in range from the base and 50m, after that are 240 radials between >range 50-130m. Each radial is from 6mm Cu wire about 30cm under the ground >level. Ground conductivity is 14,3mS. From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 28614 invoked from network); 19 Jan 2004 12:14:49 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 19 Jan 2004 12:14:49 -0000 Received: (qmail 92418 invoked from network); 19 Jan 2004 12:14:49 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 19 Jan 2004 12:14:46 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AiYIo-000Nq1-AG for dave@picks.force9.co.uk; Mon, 19 Jan 2004 12:14:46 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AiYIP-0000rq-P5 for rs_out@blacksheep.org; Mon, 19 Jan 2004 12:14:21 +0000 Received: from [192.108.125.11] (helo=alpha.sbs.sk) by post.thorcom.com with esmtp (Exim 4.14) id 1AiYIO-0000rh-QN for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 12:14:20 +0000 Received: from hermes.sbs.sk (hermes.sbs.sk [192.108.125.51]) by alpha.sbs.sk (Postfix) with ESMTP id 5945B3F30 for ; Mon, 19 Jan 2004 13:14:20 +0100 (CET) X-Fake-Domain: btss005a.sbs.sk Received: from btss005a.sbs.sk (btss.swh.sk [139.24.136.180]) by hermes.sbs.sk (8.12.6/8.12.6/SuSE Linux 0.6) with ESMTP id i0JCEJRk019715 for ; Mon, 19 Jan 2004 13:14:19 +0100 Received: by btss.siemens-pse.sk with Internet Mail Service (5.5.2653.19) id ; Mon, 19 Jan 2004 13:14:18 +0100 X-Bad-Message-ID: no DNS (btss.siemens-pse.sk) Message-ID: From: "Gasparik Richard" To: "'Rsgb_Lf_Group \(E-mail\)'" Date: Mon, 19 Jan 2004 13:14:18 +0100 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2653.19) Subject: LF: Test failed... Content-Type: multipart/mixed; boundary="------------030303010600020200000301" X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 This is a multi-part message in MIME format. --------------030303010600020200000301 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit Hi LF-ers... Here is a small story from our expedition. At 1400 local time we were on site. WX was good and we start tuning the antenna. Receiving problems has been solved very quickly and we heard DFC39 extremly strong, the same SVX. But after we key the TX, we found problem. It was realy problem to tune antenna. I don't know why. We tried to do it until 2200 local time with 3 coils and 3 variometers from 200uH until 2mH and still nothing. We called to Peter OK1FIG and Bob OK2BVG for the help, but still nothing. We measure some current, but very very low. I was absolutely sad. We have now a possibility to operate from this site for some days during the daytime. We will try tu tune the antenna with your help, if anybody can help me. I'll be very happy. I'll give you all necessary datas: Vertical is 135m high with 170cm in diameter (no cap hat), there are 120 radials in range from the base and 50m, after that are 240 radials between range 50-130m. Each radial is from 6mm Cu wire about 30cm under the ground level. Ground conductivity is 14,3mS. Best regards...enjoy LF... 73 de Rich OM2TW <> --------------030303010600020200000301 Content-Type: image/jpeg; name="P1010001.JPG" Content-Transfer-Encoding: base64 Content-Disposition: inline; filename="P1010001.JPG" /9j/4AAQSkZJRgABAQEASABIAAD/2wBDAAYEBQYFBAYGBQYHBwYIChAKCgkJChQODwwQFxQY GBcUFhYaHSUfGhsjHBYWICwgIyYnKSopGR8tMC0oMCUoKSj/2wBDAQcHBwoIChMKChMoGhYa KCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCj/wAAR CAHgAWgDASIAAhEBAxEB/8QAHwAAAQUBAQEBAQEAAAAAAAAAAAECAwQFBgcICQoL/8QAtRAA AgEDAwIEAwUFBAQAAAF9AQIDAAQRBRIhMUEGE1FhByJxFDKBkaEII0KxwRVS0fAkM2JyggkK FhcYGRolJicoKSo0NTY3ODk6Q0RFRkdISUpTVFVWV1hZWmNkZWZnaGlqc3R1dnd4eXqDhIWG h4iJipKTlJWWl5iZmqKjpKWmp6ipqrKztLW2t7i5usLDxMXGx8jJytLT1NXW19jZ2uHi4+Tl 5ufo6erx8vP09fb3+Pn6/8QAHwEAAwEBAQEBAQEBAQAAAAAAAAECAwQFBgcICQoL/8QAtREA AgECBAQDBAcFBAQAAQJ3AAECAxEEBSExBhJBUQdhcRMiMoEIFEKRobHBCSMzUvAVYnLRChYk NOEl8RcYGRomJygpKjU2Nzg5OkNERUZHSElKU1RVVldYWVpjZGVmZ2hpanN0dXZ3eHl6goOE 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HHMvPJHbipVeTpg46c1tNp0/3Wx7dsULYOQrY6jr/SizC5mB5M5OM9iDUqSS4AHfrz09qutp 8gBIGN3oCPzpv2SYKVVSfXimBXDyY+6SO9ORskAgBsc5P61OLecEFI2bPTn86ettcYG2I465 9qAIgCcABevJqUoNh37Tzzin/Z7hUJ8vJJ6GoxHINwMRyPamhCeWCoJPXGOc/pU/lRYXcgBP qCKhEbkj37VI1vIRyr8cnNAEgWDg7MAe9SxmBcFB8vbmqckTDtwBkg55pvlPyFiYAc/SmBfS WAkgIT+OafmI9IiO/BFZoQ5wY247E0oAG4hSM9ODQgLzR5KmOMZ/lRVLf93IYZP8PNFAz//Z --------------030303010600020200000301-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 1982 invoked from network); 14 Jan 2004 14:56:35 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 14 Jan 2004 14:56:35 -0000 Received: (qmail 73258 invoked from network); 14 Jan 2004 14:56:34 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 14 Jan 2004 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Internet Mail Service (5.5.2653.19) id ; Wed, 14 Jan 2004 15:56:07 +0100 X-Bad-Message-ID: no DNS (btss.siemens-pse.sk) Message-ID: From: "Gasparik Richard" To: rsgb_lf_group@blacksheep.org Date: Wed, 14 Jan 2004 15:56:06 +0100 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2653.19) Subject: RE: LF: RE: Key in QRS?? Content-Type: text/plain; charset=iso-8859-2; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 DX4WIN, WriteLog, CT by K1EA and other programs using following interface: Pin numbers from the LPT DB25 male connector: Pin1 = CW keying (Strobe signal) Pin16 = PTT (Init signal) 73 de Rich OM2TW -----Original Message----- From: Rik Strobbe [mailto:rik.strobbe@fys.kuleuven.ac.be] Sent: Wednesday, January 14, 2004 3:49 PM To: rsgb_lf_group@blacksheep.org Subject: Re: LF: RE: Key in QRS?? Hello Ed and Rich, Implementing a fast CW keyer with all the goodies such as variable speed, memo etc.. is not a simple task. So far I stayed away from this as I believed that there is plenty of fast CW software available and there is no need of re-inventing the wheel. A much simpler task however is to change the configuration of the LPT (or COM) port in QRS, to make it identical to DX4WIN or whatever is your favorite fast CW software. Just let me know what pins are used (for key and for PTT) ... 73, Rik ON7YD >Good idea. I have 2 interfaces build (for CW and also for QRSS) and switched >by LPT switch. For CW I'm using internal keyer from logging program DX4WIN >and QRSS with QRS (ON7YD). Problem is that both are working on LPT, but >intrefaces are not identical. > >Rich OM2TW > >Btw, all HW is ready for expedition to the 135m high tower, weather is very >good, snow is melting away. We will be QRV direct from PI-match under the >antenna. > > > >-----Original Message----- >From: Ed Lesnichy [mailto:ed@dx.ru] >Sent: Wednesday, January 14, 2004 5:17 PM >To: Rik Strobbe >Subject: LF: Key in QRS?? > > >Dear Rik, > >I for a field/DXpedition conditions should carry an external electronic key >or ordinary key for realization CW QSOs. Such external key to me should be >connected to TX. > >It would be convenient to have a key(from PC's keyboard) in QRS. >A keyboard's key in the program have all contest-programs. >Hot key is standart: ALT-K for enable/disable keyboard CW mode and >open/close small window, and ALT-V for set(Vary) CW speed. >All external connections PC - TX already are in PC(QRS)- TX > >Whether probably such to add internal keyboard's key in next QRS's >versions and under same interface (as for QRSS) via COM/LPT? > >TNX for QRS! > >73! Ed RU6LA ed@dx.ru http://136.73.ru > >P.S. Do you received my special QSL-card? From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 6131 invoked from network); 14 Jan 2004 13:42:36 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 14 Jan 2004 13:42:36 -0000 Received: (qmail 62144 invoked from network); 14 Jan 2004 13:42:35 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 14 Jan 2004 13:42:34 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AglI2-000G3L-Oc for dave@picks.force9.co.uk; Wed, 14 Jan 2004 13:42:34 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AglHl-0003t0-Rh for rs_out@blacksheep.org; Wed, 14 Jan 2004 13:42:17 +0000 Received: from [192.108.125.11] (helo=alpha.sbs.sk) by post.thorcom.com with esmtp (Exim 4.14) id 1AglHl-0003sr-Bq for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 13:42:17 +0000 Received: from hermes.sbs.sk (hermes.sbs.sk [192.108.125.51]) by alpha.sbs.sk (Postfix) with ESMTP id 7AF422531 for ; Wed, 14 Jan 2004 14:40:17 +0100 (CET) X-Fake-Domain: btss005a.sbs.sk Received: from btss005a.sbs.sk (btss.swh.sk [139.24.136.180]) by hermes.sbs.sk (8.12.6/8.12.6/SuSE Linux 0.6) with ESMTP id i0EDeGRk024059 for ; Wed, 14 Jan 2004 14:40:16 +0100 Received: by btss.siemens-pse.sk with Internet Mail Service (5.5.2653.19) id ; Wed, 14 Jan 2004 14:40:16 +0100 X-Bad-Message-ID: no DNS (btss.siemens-pse.sk) Message-ID: From: "Gasparik Richard" To: rsgb_lf_group@blacksheep.org Date: Wed, 14 Jan 2004 14:40:16 +0100 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2653.19) Subject: LF: RE: Re: new here..little introduction Content-Type: text/plain; charset=iso-8859-1; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 -----Original Message----- From: Marek SQ5BPM [mailto:sq5bpm@wp.pl] Sent: Wednesday, January 14, 2004 2:33 PM To: rsgb_lf_group@blacksheep.org Subject: LF: Re: new here..little introduction > Sofar I haven't seen any reports of interference caused by 136kHz > stations to consumers electronic devices. > Wonder how serious is the possibility of interfering in audio-equipement > in the neighbourhood?? Hi all, The only interference we found in our club was with our remote HF antenna switching equipment: LEDs connected to long, ca. 40m long cables going to remote relays glow during the transmission. These are probably not fully decoupled from RF, but this is not at all annoying, even better, this gives a visual sign of the transmitted signal HI. Additionally there is one rotor controller's "mouse" which is easy to get interferred by LF as well as HF. It has it's cable unshielded and connected straight to the uP inside the controller, so this is normal. Apart of that there is no known interference in our club and it's surrounding caused by LF at all. Which unfortunately cannot be said about higher frequencies, which easily get into audio & TV equipment ca. 100-150m around the club... 25W of average power ATV on 70cm makes visual "ghosts" on other TV signals. 50W on 50MHz or 144MHz usually causes a total "blackout" in our closest neighbours' TVs, don't ask what happens if we transmit using a little more power. HF causes interference only above ca. 250W, most problematic being the highest HF bands. However 400W of input power on 136kHz makes zero interference. === I will try to be active on LF this weekend at last, starting on Friday. It takes me more than an hour to prepare the TX and antenna plus QRSS QSOs are time-consuming so I must be certain I have at least a few hours of spare time, if I want to get active... 73! Marek SQ5BPM SP5ZCC Scouts Radio Club From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 77204 invoked from network); 14 Jan 2004 13:31:49 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 14 Jan 2004 13:31:49 -0000 Received: (qmail 9876 invoked from network); 14 Jan 2004 13:31:48 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 14 Jan 2004 13:31:45 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Agl7Z-0002S3-Hy for dave@picks.force9.co.uk; Wed, 14 Jan 2004 13:31:45 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Agl7F-0003a9-0B for rs_out@blacksheep.org; Wed, 14 Jan 2004 13:31:25 +0000 Received: from [192.108.125.11] (helo=alpha.sbs.sk) by post.thorcom.com with esmtp (Exim 4.14) id 1Agl7E-0003a0-9x for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 13:31:24 +0000 Received: from hermes.sbs.sk (hermes.sbs.sk [192.108.125.51]) by alpha.sbs.sk (Postfix) with ESMTP id 6EF2A3EA1 for ; Wed, 14 Jan 2004 14:31:23 +0100 (CET) X-Fake-Domain: btss005a.sbs.sk Received: from btss005a.sbs.sk (btss.swh.sk [139.24.136.180]) by hermes.sbs.sk (8.12.6/8.12.6/SuSE Linux 0.6) with ESMTP id i0EDVMRk022848 for ; Wed, 14 Jan 2004 14:31:22 +0100 Received: by btss.siemens-pse.sk with Internet Mail Service (5.5.2653.19) id ; Wed, 14 Jan 2004 14:31:22 +0100 X-Bad-Message-ID: no DNS (btss.siemens-pse.sk) Message-ID: From: "Gasparik Richard" To: rsgb_lf_group@blacksheep.org Date: Wed, 14 Jan 2004 14:31:19 +0100 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2653.19) Subject: LF: RE: Key in QRS?? Content-Type: text/plain; charset=iso-8859-2; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Good idea. I have 2 interfaces build (for CW and also for QRSS) and switched by LPT switch. For CW I'm using internal keyer from logging program DX4WIN and QRSS with QRS (ON7YD). Problem is that both are working on LPT, but intrefaces are not identical. Rich OM2TW Btw, all HW is ready for expedition to the 135m high tower, weather is very good, snow is melting away. We will be QRV direct from PI-match under the antenna. -----Original Message----- From: Ed Lesnichy [mailto:ed@dx.ru] Sent: Wednesday, January 14, 2004 5:17 PM To: Rik Strobbe Subject: LF: Key in QRS?? Dear Rik, I for a field/DXpedition conditions should carry an external electronic key or ordinary key for realization CW QSOs. Such external key to me should be connected to TX. It would be convenient to have a key(from PC's keyboard) in QRS. A keyboard's key in the program have all contest-programs. Hot key is standart: ALT-K for enable/disable keyboard CW mode and open/close small window, and ALT-V for set(Vary) CW speed. All external connections PC - TX already are in PC(QRS)- TX Whether probably such to add internal keyboard's key in next QRS's versions and under same interface (as for QRSS) via COM/LPT? TNX for QRS! 73! Ed RU6LA ed@dx.ru http://136.73.ru P.S. Do you received my special QSL-card? From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 69621 invoked from network); 13 Jan 2004 11:34:11 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 13 Jan 2004 11:34:11 -0000 Received: (qmail 11646 invoked from network); 13 Jan 2004 11:34:11 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 13 Jan 2004 11:34:10 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AgMoE-0002rF-7C for dave@picks.force9.co.uk; Tue, 13 Jan 2004 11:34:10 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AgMnk-00007N-AP for rs_out@blacksheep.org; Tue, 13 Jan 2004 11:33:40 +0000 Received: from [192.108.125.11] (helo=alpha.sbs.sk) by post.thorcom.com with esmtp (Exim 4.14) id 1AgMni-00006n-TK for rsgb_lf_group@blacksheep.org; Tue, 13 Jan 2004 11:33:39 +0000 Received: from hermes.sbs.sk (hermes.sbs.sk [192.108.125.51]) by alpha.sbs.sk (Postfix) with ESMTP id 388CF2DCE for ; Tue, 13 Jan 2004 12:33:05 +0100 (CET) X-Fake-Domain: btss005a.sbs.sk Received: from btss005a.sbs.sk (btss.swh.sk [139.24.136.180]) by hermes.sbs.sk (8.12.6/8.12.6/SuSE Linux 0.6) with ESMTP id i0DBX4Rk017548 for ; Tue, 13 Jan 2004 12:33:04 +0100 Received: by btss.siemens-pse.sk with Internet Mail Service (5.5.2653.19) id ; Tue, 13 Jan 2004 12:33:04 +0100 X-Bad-Message-ID: no DNS (btss.siemens-pse.sk) Message-ID: From: "Gasparik Richard" To: rsgb_lf_group@blacksheep.org Date: Tue, 13 Jan 2004 12:33:03 +0100 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2653.19) Subject: LF: RE: TA 13 Jan Content-Type: text/plain; charset=iso-8859-2; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi Joe, I which mode/speed you received DJ8WX? Rich OM2TW -----Original Message----- From: Joe Craig [mailto:jcraig@mun.ca] Sent: Tuesday, January 13, 2004 12:28 PM To: rsgb_lf_group@blacksheep.org Subject: LF: TA 13 Jan Just a trace of CT1DRP on 2fcw but very strong sigs from DJ8WX. Joe VO1NA From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 44188 invoked from network); 13 Jan 2004 09:33:23 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 13 Jan 2004 09:33:23 -0000 Received: (qmail 16016 invoked from network); 13 Jan 2004 09:33:22 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 13 Jan 2004 09:33:18 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AgKvG-0003sy-0d for dave@picks.force9.co.uk; Tue, 13 Jan 2004 09:33:18 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AgKur-00067s-Lh for rs_out@blacksheep.org; Tue, 13 Jan 2004 09:32:53 +0000 Received: from [192.108.125.11] (helo=alpha.sbs.sk) by post.thorcom.com with esmtp (Exim 4.14) id 1AgKur-00067j-7m for rsgb_lf_group@blacksheep.org; Tue, 13 Jan 2004 09:32:53 +0000 Received: from hermes.sbs.sk (hermes.sbs.sk [192.108.125.51]) by alpha.sbs.sk (Postfix) with ESMTP id 68A0D3EA9 for ; Tue, 13 Jan 2004 10:32:52 +0100 (CET) X-Fake-Domain: btss005a.sbs.sk Received: from btss005a.sbs.sk (btss.swh.sk [139.24.136.180]) by hermes.sbs.sk (8.12.6/8.12.6/SuSE Linux 0.6) with ESMTP id i0D9WjRk000878 for ; Tue, 13 Jan 2004 10:32:47 +0100 Received: by btss.siemens-pse.sk with Internet Mail Service (5.5.2653.19) id ; Tue, 13 Jan 2004 10:32:45 +0100 X-Bad-Message-ID: no DNS (btss.siemens-pse.sk) Message-ID: From: "Gasparik Richard" To: "Rsgb_Lf_Group \(E-mail\)" Date: Tue, 13 Jan 2004 10:32:44 +0100 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2653.19) Subject: LF: T/A test OM2TW - more info Content-Type: text/plain; charset=iso-8859-2; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi LF-ers... 1400-2130Z - TRX CW mostly, some QRSS/DFCW3 (still no skeds) 2130-2200Z - TX CQ in DFCW20 on 135.923 (dot 135.922.75) for VO1NA, CT1DRP, etc 2200-2230Z - RX QRSS20 on 137.777 for VO1NA, CT1DRP, etc If no QSO, than this procedure repeat every hour untill morning 0600Z If yes, we will beaconing untill 0600Z. 0600-1200Z - TRX on CW and QRSS/DFCW3 (still no skeds) If you want sked with me, please let me know, because we will be QRV only 22 hours maximum. We will have internet during the trip, look for us via E-mail: om2tw@nextra.sk or via phone +421 903 416609 (SMS). 73 de Rich OM2TW From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 63742 invoked from network); 12 Jan 2004 17:41:08 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 12 Jan 2004 17:41:08 -0000 Received: (qmail 78242 invoked from network); 12 Jan 2004 17:41:08 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 12 Jan 2004 17:41:07 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Ag63n-000KF0-HW for dave@picks.force9.co.uk; Mon, 12 Jan 2004 17:41:07 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ag63G-0004wn-Q1 for rs_out@blacksheep.org; Mon, 12 Jan 2004 17:40:34 +0000 Received: from [192.108.125.11] (helo=alpha.sbs.sk) by post.thorcom.com with esmtp (Exim 4.14) id 1Ag63G-0004we-CA for rsgb_lf_group@blacksheep.org; Mon, 12 Jan 2004 17:40:34 +0000 Received: from hermes.sbs.sk (hermes.sbs.sk [192.108.125.51]) by alpha.sbs.sk (Postfix) with ESMTP id F36AA3D07 for ; Mon, 12 Jan 2004 18:40:33 +0100 (CET) X-Fake-Domain: btss005a.sbs.sk Received: from btss005a.sbs.sk (btss.swh.sk [139.24.136.180]) by hermes.sbs.sk (8.12.6/8.12.6/SuSE Linux 0.6) with ESMTP id i0CHeQEk020648 for ; Mon, 12 Jan 2004 18:40:28 +0100 Received: by btss.siemens-pse.sk with Internet Mail Service (5.5.2653.19) id ; Mon, 12 Jan 2004 18:40:26 +0100 X-Bad-Message-ID: no DNS (btss.siemens-pse.sk) Message-ID: From: "Gasparik Richard" To: rsgb_lf_group@blacksheep.org Date: Mon, 12 Jan 2004 18:40:17 +0100 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2653.19) Subject: RE: LF: T/A test Content-Type: text/plain; charset=iso-8859-2; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi Eric, I'll operate from near BC station which is about 6 months QRT and it will be destroyed this year. This is the last chance to be QRV from that site. I'll send you some pictures of course. 73 de Rich OM2TW -----Original Message----- From: Eric KD5UWL [mailto:eric@willow.nutstreet.net] Sent: Monday, January 12, 2004 6:19 PM To: 'rsgb_lf_group@blacksheep.org' Subject: Re: LF: T/A test > I'll be QRV from 135m high vertical ... ! I'd like to see a picture of that installation! Have fun this weekend. But definitely send me a pic if you can! 73 Eric From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 81930 invoked from network); 12 Jan 2004 17:10:36 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 12 Jan 2004 17:10:36 -0000 Received: (qmail 75940 invoked from network); 12 Jan 2004 17:10:35 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 12 Jan 2004 17:10:30 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Ag5aA-000J3s-7p for dave@picks.force9.co.uk; Mon, 12 Jan 2004 17:10:30 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ag5Zg-00047O-KG for rs_out@blacksheep.org; Mon, 12 Jan 2004 17:10:00 +0000 Received: from [192.108.125.11] (helo=alpha.sbs.sk) by post.thorcom.com with esmtp (Exim 4.14) id 1Ag5Zf-00047A-Ve for rsgb_lf_group@blacksheep.org; Mon, 12 Jan 2004 17:10:00 +0000 Received: from hermes.sbs.sk (hermes.sbs.sk [192.108.125.51]) by alpha.sbs.sk (Postfix) with ESMTP id 9694B3CD5 for ; Mon, 12 Jan 2004 18:09:59 +0100 (CET) X-Fake-Domain: btss005a.sbs.sk Received: from btss005a.sbs.sk (btss.swh.sk [139.24.136.180]) by hermes.sbs.sk (8.12.6/8.12.6/SuSE Linux 0.6) with ESMTP id i0CH9tEk017969 for ; Mon, 12 Jan 2004 18:09:56 +0100 Received: by btss.siemens-pse.sk with Internet Mail Service (5.5.2653.19) id ; Mon, 12 Jan 2004 18:09:55 +0100 X-Bad-Message-ID: no DNS (btss.siemens-pse.sk) Message-ID: From: "Gasparik Richard" To: rsgb_lf_group@blacksheep.org Date: Mon, 12 Jan 2004 18:09:48 +0100 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2653.19) Subject: LF: T/A test Content-Type: text/plain; charset=iso-8859-2; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi LF-ers... I'll be QRV from 135m high vertical this weekend with the call OM2TW, OM5KM and maybe OM100TS. Mostly on CW, but also some QRSS acty. I'll try also T/A during the night time, maybe also QSO with VO1NA. Start: friday March 16. at 1400Z QRT: saturday March 17. at 1200Z Btw, still need some countries from Eu - EA, EI, GI, GW, CT, LX, OH0...etc... Skeds are welcome. Email: om2tw@nextra.sk Phone: +421 903 416609 (SMS) ICQ: 109360511 Best regards 73 de Rich OM2TW From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 10292 invoked from network); 31 Jan 2004 17:06:31 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore03.plus.net with SMTP; 31 Jan 2004 17:06:31 -0000 Received: (qmail 76462 invoked from network); 31 Jan 2004 17:06:31 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 31 Jan 2004 17:06:30 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AmyZh-000Jlv-TD for dave@picks.force9.co.uk; Sat, 31 Jan 2004 17:06:29 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AmyYr-0001I0-Bs for rs_out@blacksheep.org; Sat, 31 Jan 2004 17:05:37 +0000 Received: from [62.253.164.43] (helo=mta3-svc.business.ntl.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AmyYq-0001Hr-Oe for rsgb_lf_group@blacksheep.org; Sat, 31 Jan 2004 17:05:36 +0000 X-Fake-Domain: l8p8y6 Received: from l8p8y6 ([62.252.233.225]) by mta3-svc.business.ntl.com (InterMail vM.4.01.03.37 201-229-121-137-20020806) with SMTP id <20040131170535.WEPD8999.mta3-svc.business.ntl.com@l8p8y6> for ; Sat, 31 Jan 2004 17:05:35 +0000 X-Bad-Message-ID: no DNS (l8p8y6) Message-ID: <001801c3e80d$73b88fc0$e1e9fc3e@l8p8y6> From: "hamilton mal" To: rsgb_lf_group@blacksheep.org References: <6.0.1.1.2.20040129133740.036bcc40@POP3.freeler.nl> <6.0.1.1.2.20040130133028.02f11dc0@POP3.freeler.nl> Date: Sat, 31 Jan 2004 15:17:46 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4807.1700 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Beaconing by PA0SE Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.8 required=5.0 tests=HTML_30_40,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
 
----- Original Message -----
Sent: Friday, January 30, 2004 1:03 PM
Subject: LF: Beaconing by PA0SE

To All from PA0SE


I have been trying to copy VO1NA's signal during several nights. Though there were traces of his signal at the beginning of the night and also around dawn, none were good enough for a QSO.

Hi Dick
VO1NA is generally very strong with me most of the time, especially around 0600-0700 when he is active at this time.
If you cannot improve your antenna for receiving, try a remote LF antenna and a repeater like they do in the South of England. I remember one VA station in Canada doing a similar thing a few years ago and his remote antenna was hundreds of miles away from his shack. 
If you are really stuck I could try and relay the signal for you on 80 metres.
I am not sure if these methods would qualify for any rewards or count as a QSO.
73 de Mal/G3KEV/Scarborough
 


 
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 27440 invoked from network); 28 Jan 2004 08:07:31 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 28 Jan 2004 08:07:31 -0000 Received: (qmail 92541 invoked from network); 28 Jan 2004 08:07:31 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 28 Jan 2004 08:07:30 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AlkjS-000NxH-8k for dave@picks.force9.co.uk; Wed, 28 Jan 2004 08:07:30 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AlkiR-00057W-54 for rs_out@blacksheep.org; Wed, 28 Jan 2004 08:06:27 +0000 Received: from [62.253.164.44] (helo=mta4-svc.business.ntl.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AlkiQ-00057I-Iw for rsgb_lf_group@blacksheep.org; Wed, 28 Jan 2004 08:06:26 +0000 X-Fake-Domain: l8p8y6 Received: from l8p8y6 ([62.252.204.35]) by mta4-svc.business.ntl.com (InterMail vM.4.01.03.37 201-229-121-137-20020806) with SMTP id <20040128080625.PZL13664.mta4-svc.business.ntl.com@l8p8y6> for ; Wed, 28 Jan 2004 08:06:25 +0000 X-Bad-Message-ID: no DNS (l8p8y6) Message-ID: <000c01c3e4ac$5d4ad900$23ccfc3e@l8p8y6> From: "hamilton mal" To: rsgb_lf_group@blacksheep.org Date: Tue, 27 Jan 2004 08:05:12 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4807.1700 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: VO1NA Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.8 required=5.0 tests=HTML_30_40,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
Hi All
Having to go out early this morning I looked into the shack and checked 137 khz. I only had a few minutes but VO1NA was booming in at 0658 utu, perfect copy at QRS 30, ideal for a qrs QSO for those travelling at that speed!!!
The signal was strong enough for QRS 3 and possibly normal CW.
Antenna in use 80 metre perimiter vertical loop E/W
WX - light covering of snow on the ground.
73 de Mal/G3KEV
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 6224 invoked from network); 23 Jan 2004 16:45:53 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 23 Jan 2004 16:45:53 -0000 Received: (qmail 12718 invoked from network); 23 Jan 2004 16:45:53 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 23 Jan 2004 16:45:46 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Ak4RF-0002r6-JZ for dave@picks.force9.co.uk; Fri, 23 Jan 2004 16:45:45 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ak4Po-00084K-9g for rs_out@blacksheep.org; Fri, 23 Jan 2004 16:44:16 +0000 Received: from [62.253.164.44] (helo=mta4-svc.business.ntl.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Ak4Pn-00084B-LF for rsgb_lf_group@blacksheep.org; Fri, 23 Jan 2004 16:44:15 +0000 X-Fake-Domain: l8p8y6 Received: from l8p8y6 ([62.252.229.64]) by mta4-svc.business.ntl.com (InterMail vM.4.01.03.37 201-229-121-137-20020806) with SMTP id <20040123164413.JYCO13664.mta4-svc.business.ntl.com@l8p8y6> for ; Fri, 23 Jan 2004 16:44:13 +0000 X-Bad-Message-ID: no DNS (l8p8y6) Message-ID: <000201c3e18c$03c4b540$40e5fc3e@l8p8y6> From: "hamilton mal" To: rsgb_lf_group@blacksheep.org References: <000c01c3e02e$600a21a0$01eafc3e@l8p8y6> <001501c3e058$ba617980$2102000a@ibm> <002501c3e121$12a54fe0$2102000a@ibm> Date: Fri, 23 Jan 2004 03:54:33 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4807.1700 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: 136kHz project cancelled Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.9 required=5.0 tests=DATE_IN_PAST_12_24,HTML_40_50,HTML_MESSAGE,MAILTO_TO_SPAM_ADDR autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
 
----- Original Message -----
From: Dick
Sent: Thursday, January 22, 2004 7:44 PM
Subject: LF: 136kHz project cancelled

 
Hi Dick
Get rid of your troubles immediately by building the G3YXM or G0MRF designed 137 khz transmitters/amplifiers.
I have used a modified YXM design for years and it has proved very reliable. There is no point re-inventing the WHEEL
The components including chips are cheap. I have replaced the output transformer 3C85 core with an old TV line output core and it works just as well, I cannot detect any difference in RF output or heat etc. I have always used a fan blowing across this transformer and the LPF inductors plus another fan blowing across the MOSFET heatsink compartment.
The amplifier runs very COOL, heatsink just warm and the output transformer and LFP cold.
I use an ICOM 706 on 13.7 mhz and divide down to the required 137 khz frequency.
I use 4 mosfets 75N10 type and with a suitable PSU these are capable of nearly 1KW output. It depends what you have available but try 12 - 20 Volts, the current could be up to 50 plus amps !!!!!!!.
Good Luck and be careful AVOID smoke
de Mal/G3KEV
 
 
 
 
 
 
 
 
 
 
 
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 22533 invoked from network); 22 Jan 2004 19:55:56 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by mailstore with SMTP; 22 Jan 2004 19:55:56 -0000 Received: (qmail 74264 invoked from network); 22 Jan 2004 19:55:55 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 22 Jan 2004 19:55:54 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Ajkvi-000JBr-IE for dave@picks.force9.co.uk; Thu, 22 Jan 2004 19:55:54 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AjkuS-0007kr-Ma for rs_out@blacksheep.org; Thu, 22 Jan 2004 19:54:36 +0000 Received: from [62.253.164.41] (helo=mta1-svc.business.ntl.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AjkuS-0007kg-4V for rsgb_lf_group@blacksheep.org; Thu, 22 Jan 2004 19:54:36 +0000 X-Fake-Domain: l8p8y6 Received: from l8p8y6 ([62.252.232.58]) by mta1-svc.business.ntl.com (InterMail vM.4.01.03.37 201-229-121-137-20020806) with SMTP id <20040122195435.HILL12372.mta1-svc.business.ntl.com@l8p8y6> for ; Thu, 22 Jan 2004 19:54:35 +0000 X-Bad-Message-ID: no DNS (l8p8y6) Message-ID: <000201c3e0e1$dcea1e60$3ae8fc3e@l8p8y6> From: "hamilton mal" To: rsgb_lf_group@blacksheep.org References: <000c01c3e02e$600a21a0$01eafc3e@l8p8y6> <006801c3e102$8c730c00$6633f7c2@johnb5a82ea1a4> Date: Thu, 22 Jan 2004 12:15:11 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4807.1700 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Re: SOFT START Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.6 required=5.0 tests=DATE_IN_PAST_06_12 autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 ----- Original Message ----- From: "John Rabson" To: Sent: Thursday, January 22, 2004 4:11 PM Subject: LF: Re: SOFT START > It's when a bank of capacitors totalling a quarter of a Farad at 24 volts is > connected with wrong polarity that things start to get spectacular. How could that happen, impossible except the constructor had too much GLENGARRAGCT Mc NAHT > > 73 > John G3PAI > > ----- Original Message ----- > From: "hamilton mal" > To: > Sent: Wednesday, January 21, 2004 2:53 PM > Subject: LF: SOFT START > > > Hi All > Surprisingly, most high power amps do not have a SOFT START, and judging by > the thump at times on switch on, it is even more surprising that the power > supply does not explode. In recent times I use a variac and gradually adjust > it to full voltages. > This is overkill and a more simple cct would suffice. I lost one mains > transformer a few years ago and the replacement cost more than the amp was > worth. Some of the PSU'S for low voltage high current FET AMPS used in LF > applications are even more vunerable ie 12 - 24 V at 20 - 100 A. Most > Amateurs that I have spoken to do not realize the danger involved. One of > the bean can size electrolytics 200 mfd capacity exploding would be like > firing a mortar, probably demolish the house in some cases. The stone built > country house would probably survive.If you are dabbling with QRP there is > no need to worry. > > 73 de Mal/G3KEV > > > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 34665 invoked from network); 21 Jan 2004 18:42:46 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 21 Jan 2004 18:42:46 -0000 Received: (qmail 25779 invoked from network); 21 Jan 2004 18:42:46 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 21 Jan 2004 18:42:44 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AjNJM-0006V1-Fw for dave@picks.force9.co.uk; Wed, 21 Jan 2004 18:42:44 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AjNIa-0004fq-BE for rs_out@blacksheep.org; Wed, 21 Jan 2004 18:41:56 +0000 Received: from [62.253.164.43] (helo=mta3-svc.business.ntl.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AjNIX-0004fV-Ol for rsgb_lf_group@blacksheep.org; Wed, 21 Jan 2004 18:41:53 +0000 X-Fake-Domain: l8p8y6 Received: from l8p8y6 ([62.252.234.1]) by mta3-svc.business.ntl.com (InterMail vM.4.01.03.37 201-229-121-137-20020806) with SMTP id <20040121184149.QNFJ8999.mta3-svc.business.ntl.com@l8p8y6> for ; Wed, 21 Jan 2004 18:41:49 +0000 X-Bad-Message-ID: no DNS (l8p8y6) Message-ID: <000c01c3e02e$600a21a0$01eafc3e@l8p8y6> From: "hamilton mal" To: rsgb_lf_group@blacksheep.org Date: Wed, 21 Jan 2004 14:53:17 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4807.1700 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: SOFT START Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.7 required=5.0 tests=DATE_IN_PAST_03_06,HTML_20_30,HTML_MESSAGE,SUBJ_ALL_CAPS autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
Hi All
Surprisingly, most high power amps do not have a SOFT START, and judging by the thump at times on switch on, it is even more surprising that the power supply does not explode. In recent times I use a variac and gradually adjust it to full voltages.
This is overkill and a more simple cct would suffice. I lost  one mains transformer a few years ago and the replacement cost more than the amp was worth. Some of the PSU'S for low voltage high current  FET AMPS used in LF applications are even more vunerable ie 12 - 24 V at 20 - 100 A. Most Amateurs that I have spoken to do not realize the danger involved. One of the bean can size electrolytics 200 mfd capacity exploding would be like firing a mortar, probably demolish the house in some cases. The stone built country house would probably survive.If you are dabbling with QRP there is no need to worry.
 
73 de Mal/G3KEV
 
 
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 53607 invoked from network); 21 Jan 2004 16:33:40 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 21 Jan 2004 16:33:40 -0000 Received: (qmail 62377 invoked from network); 21 Jan 2004 16:33:39 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 21 Jan 2004 16:33:34 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AjLIM-000Fqr-6w for dave@picks.force9.co.uk; Wed, 21 Jan 2004 16:33:34 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AjLHk-0002KB-C1 for rs_out@blacksheep.org; Wed, 21 Jan 2004 16:32:56 +0000 Received: from [62.253.164.43] (helo=mta3-svc.business.ntl.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AjLHj-0002K2-Lc for rsgb_lf_group@blacksheep.org; Wed, 21 Jan 2004 16:32:55 +0000 X-Fake-Domain: l8p8y6 Received: from l8p8y6 ([62.252.232.172]) by mta3-svc.business.ntl.com (InterMail vM.4.01.03.37 201-229-121-137-20020806) with SMTP id <20040121163254.IAJP8999.mta3-svc.business.ntl.com@l8p8y6> for ; Wed, 21 Jan 2004 16:32:54 +0000 X-Bad-Message-ID: no DNS (l8p8y6) Message-ID: <001f01c3e01c$5db11ba0$ace8fc3e@l8p8y6> From: "hamilton mal" To: rsgb_lf_group@blacksheep.org Date: Wed, 21 Jan 2004 12:44:07 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4807.1700 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: IAN GI8AYZ Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.7 required=5.0 tests=DATE_IN_PAST_03_06,HTML_20_30,HTML_MESSAGE,SUBJ_ALL_CAPS autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
Hi Ian.
That is an elaborate antenna in your garden and it worked well. Your signal was up there with the best and DX into the bargain hi. Sri to hear that you are going QRT, but I understand the reasons. It looks like activity from all of Ireland has ceased. The two EI stns and PDN have gone as well. I suppose I will have to take my rig every time that I go across. there and get cracking and renew my EI2AE callsign and pop across to Monaghan just down the road from Tullywiggan bridge.
73 and hpe the health improves.
de Mal/G3KEV/Scarboro
 
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 53596 invoked from network); 21 Jan 2004 16:33:39 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 21 Jan 2004 16:33:39 -0000 Received: (qmail 62219 invoked from network); 21 Jan 2004 16:33:38 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 21 Jan 2004 16:33:34 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AjLIM-000Fqe-6W for dave@picks.force9.co.uk; Wed, 21 Jan 2004 16:33:34 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AjLHi-0002Jy-GG for rs_out@blacksheep.org; Wed, 21 Jan 2004 16:32:54 +0000 Received: from [62.253.164.43] (helo=mta3-svc.business.ntl.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AjLHd-0002Jo-7I for rsgb_lf_group@blacksheep.org; Wed, 21 Jan 2004 16:32:49 +0000 X-Fake-Domain: l8p8y6 Received: from l8p8y6 ([62.252.232.172]) by mta3-svc.business.ntl.com (InterMail vM.4.01.03.37 201-229-121-137-20020806) with SMTP id <20040121163248.IAFT8999.mta3-svc.business.ntl.com@l8p8y6> for ; Wed, 21 Jan 2004 16:32:48 +0000 X-Bad-Message-ID: no DNS (l8p8y6) Message-ID: <001e01c3e01c$59e51f80$ace8fc3e@l8p8y6> From: "hamilton mal" To: rsgb_lf_group@blacksheep.org Date: Wed, 21 Jan 2004 12:33:52 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4807.1700 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: 8875 tubes Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.8 required=5.0 tests=DATE_IN_PAST_03_06,HTML_60_70,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
Hi All
I am looking for a couple of 8875 tubes for my Dentron Amplifier.
73 de Mal/G3KEV
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 62671 invoked from network); 19 Jan 2004 16:07:07 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 19 Jan 2004 16:07:07 -0000 Received: (qmail 88343 invoked from network); 19 Jan 2004 16:07:07 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 19 Jan 2004 16:07:06 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Aibve-000Ms6-GU for dave@picks.force9.co.uk; Mon, 19 Jan 2004 16:07:06 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AibvV-0006A0-Dz for rs_out@blacksheep.org; Mon, 19 Jan 2004 16:06:57 +0000 Received: from [62.253.164.42] (helo=mta2-svc.business.ntl.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AibvQ-00069r-9E for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 16:06:52 +0000 X-Fake-Domain: l8p8y6 Received: from l8p8y6 ([62.252.233.86]) by mta2-svc.business.ntl.com (InterMail vM.4.01.03.37 201-229-121-137-20020806) with SMTP id <20040119160651.CMAC6359.mta2-svc.business.ntl.com@l8p8y6> for ; Mon, 19 Jan 2004 16:06:51 +0000 X-Bad-Message-ID: no DNS (l8p8y6) Message-ID: <009b01c3de92$e6d4c0c0$56e9fc3e@l8p8y6> From: "hamilton mal" To: rsgb_lf_group@blacksheep.org References: <001701c3de64$01d15de0$27e8fc3e@l8p8y6> <400BB94E.1010307@virgin.net> Date: Mon, 19 Jan 2004 13:47:22 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4807.1700 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: Manuals Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 ----- Original Message ----- From: "Stewart Bryant" To: Sent: Monday, January 19, 2004 11:02 AM Subject: Re: LF: Manuals > Mal > > The full manual was at the reference that I posted a few days ago, > including a circuit diagram. Admitedly it was scanned as a bunch > of pages, but it appears to all be there and scissors and tape would > fix it back together. > > The file on the site is in .djvu format, but if you want me > to render it to .pdf and send it to you, let me know. The circuit is > 246K. The full manual will be much larger, and probably needs to be > posted on a web site somewhere. > > 73 > > Stewart G3YSX > > > Hi Stewart Tnx for ur info but I cannot get a connection to that site. It states page not available. All the other web sites seem to work for me but not this one hi If you can send it to me via my email address that would be appreciated g3kev.ham@virgin.net 73 and agn tnx Mal/G3KEV From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 23351 invoked from network); 19 Jan 2004 10:32:55 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 19 Jan 2004 10:32:55 -0000 Received: (qmail 74221 invoked from network); 19 Jan 2004 10:32:55 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 19 Jan 2004 10:32:54 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AiWiD-000J41-9t for dave@picks.force9.co.uk; Mon, 19 Jan 2004 10:32:53 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AiWgc-00079X-9O for rs_out@blacksheep.org; Mon, 19 Jan 2004 10:31:14 +0000 Received: from [62.253.164.42] (helo=mta2-svc.business.ntl.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AiWgb-00079O-Ks for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 10:31:13 +0000 X-Fake-Domain: l8p8y6 Received: from l8p8y6 ([62.252.232.39]) by mta2-svc.business.ntl.com (InterMail vM.4.01.03.37 201-229-121-137-20020806) with SMTP id <20040119103110.HPPP6359.mta2-svc.business.ntl.com@l8p8y6> for ; Mon, 19 Jan 2004 10:31:10 +0000 X-Bad-Message-ID: no DNS (l8p8y6) Message-ID: <001701c3de64$01d15de0$27e8fc3e@l8p8y6> From: "hamilton mal" To: rsgb_lf_group@blacksheep.org Date: Mon, 19 Jan 2004 08:11:45 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4807.1700 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Manuals Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_40_50,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
Hi All
Anyone looking for original manuals for AR88 rx, BRT400 rx, EDDYSTONE 1590 rx. Let me know
Looking for HEATH SB 221 manual. I got a lot of info from Internet but cannot find a good cct  diagram.
I have an AMPLIFIER Collins 30L-1 round emblem spare if anyone is interested.
Pse reply direct via email
 
de Mal/G3KEV
 
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 34310 invoked from network); 17 Jan 2004 18:32:13 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 17 Jan 2004 18:32:13 -0000 Received: (qmail 21904 invoked from network); 17 Jan 2004 18:32:13 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 17 Jan 2004 18:32:12 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AhvEy-0005aQ-AC for dave@picks.force9.co.uk; Sat, 17 Jan 2004 18:32:12 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AhvDy-00005G-Eq for rs_out@blacksheep.org; Sat, 17 Jan 2004 18:31:10 +0000 Received: from [62.253.164.45] (helo=mta5-svc.business.ntl.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AhvDx-000057-Uz for rsgb_lf_group@blacksheep.org; Sat, 17 Jan 2004 18:31:10 +0000 X-Fake-Domain: l8p8y6 Received: from l8p8y6 ([62.252.233.76]) by mta5-svc.business.ntl.com (InterMail vM.4.01.03.37 201-229-121-137-20020806) with SMTP id <20040117183109.UWBY7725.mta5-svc.business.ntl.com@l8p8y6> for ; Sat, 17 Jan 2004 18:31:09 +0000 X-Bad-Message-ID: no DNS (l8p8y6) Message-ID: <000c01c3dd19$5f560660$4ce9fc3e@l8p8y6> From: "hamilton mal" To: rsgb_lf_group@blacksheep.org References: Date: Sat, 17 Jan 2004 12:55:32 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4807.1700 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: LF Signals overnight Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.7 required=5.0 tests=DATE_IN_PAST_03_06 autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 ----- Original Message ----- From: "G4WGT - Gary" To: "Rsgb_Lf_Group" Sent: Saturday, January 17, 2004 1:29 PM Subject: LF: LF Signals overnight > Hi All at LF, > > Monitoring with Spectrum Lab QRS10 started at 2315 gmt saw G3LDO (135,921) > very strong and first capture at about 0045 gmt showing RU6LA (135,922.5 > according to my screen using Peter's signal as reference) signal faint but > fully visible & complete alongside G3LDO (very strong & dog-bone effect), > RU6LA signals came up quite strong from about 0120 gmt & all through the > night until fading started at 0545 gmt but still good complete visible > signals until about 0610 then nothing after that (possibly end of > transmission) Hi Gary I have been copying RU6LA all day long, solid signal and audible on 137.7 khz. He is on beacon mode, repeating callsign. 73 de Mal/G3KEV . Later just after 0730 gmt saw complete signals from CT1DRP > (DFCW about 135,923.5)on my last capture but still strong signals up to > almost 1040 gmt when monitoring live, nothing more after 1045 gmt (possibly > end of transmission). > > 73 > > Gary - G4WGT. > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 33484 invoked from network); 17 Jan 2004 14:33:01 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 17 Jan 2004 14:33:01 -0000 Received: (qmail 2668 invoked from network); 17 Jan 2004 14:33:00 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 17 Jan 2004 14:32:59 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AhrVT-0000UL-6Y for dave@picks.force9.co.uk; Sat, 17 Jan 2004 14:32:59 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AhrUu-00044M-2h for rs_out@blacksheep.org; Sat, 17 Jan 2004 14:32:24 +0000 Received: from [62.253.164.42] (helo=mta2-svc.business.ntl.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AhrUt-00044D-IJ for rsgb_lf_group@blacksheep.org; Sat, 17 Jan 2004 14:32:23 +0000 X-Fake-Domain: l8p8y6 Received: from l8p8y6 ([62.252.206.107]) by mta2-svc.business.ntl.com (InterMail vM.4.01.03.37 201-229-121-137-20020806) with SMTP id <20040117143222.KSLP6359.mta2-svc.business.ntl.com@l8p8y6> for ; Sat, 17 Jan 2004 14:32:22 +0000 X-Bad-Message-ID: no DNS (l8p8y6) Message-ID: <001c01c3dcf8$049b69c0$6bcefc3e@l8p8y6> From: "hamilton mal" To: rsgb_lf_group@blacksheep.org Date: Sat, 17 Jan 2004 12:42:43 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4807.1700 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: RU6LA Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_40_50,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
Hi All
For info to Ed and all on LF. I switched on abt 0838utc this morning and saw RU6LA beacon mode and the signal has been constant and strong all day so far at 1450 utc.
Using my 80 metre perimeter loop resonated on 137.7 khz. and directed E/W, Rx-Hagenuk-EE430, Audio DSP unit, Argo display.
No rx preamp
 
73 de Mal/G3KEV
 
 
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 5328 invoked from network); 17 Jan 2004 14:32:59 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 17 Jan 2004 14:32:59 -0000 Received: (qmail 63656 invoked from network); 17 Jan 2004 14:32:59 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 17 Jan 2004 14:32:58 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AhrVS-000GS4-Ir for dave@picks.force9.co.uk; Sat, 17 Jan 2004 14:32:58 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AhrV0-00044Z-Bz for rs_out@blacksheep.org; Sat, 17 Jan 2004 14:32:30 +0000 Received: from [62.253.164.42] (helo=mta2-svc.business.ntl.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AhrUv-00044Q-8M for rsgb_lf_group@blacksheep.org; Sat, 17 Jan 2004 14:32:25 +0000 X-Fake-Domain: l8p8y6 Received: from l8p8y6 ([62.252.206.107]) by mta2-svc.business.ntl.com (InterMail vM.4.01.03.37 201-229-121-137-20020806) with SMTP id <20040117143224.KSMT6359.mta2-svc.business.ntl.com@l8p8y6> for ; Sat, 17 Jan 2004 14:32:24 +0000 X-Bad-Message-ID: no DNS (l8p8y6) Message-ID: <001d01c3dcf8$05af98e0$6bcefc3e@l8p8y6> From: "hamilton mal" To: rsgb_lf_group@blacksheep.org Date: Sat, 17 Jan 2004 12:46:34 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4807.1700 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: HEATH SB221 amp Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.2 required=5.0 tests=HTML_50_60,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
Many thanks to all that responded and all the useful info that I was able to follow up.
73 and agn many tnx
de Mal/G3KEV
 
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 84270 invoked from network); 16 Jan 2004 18:31:45 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 16 Jan 2004 18:31:45 -0000 Received: (qmail 78753 invoked from network); 16 Jan 2004 18:31:45 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 16 Jan 2004 18:31:44 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AhYky-000KNE-0z for dave@picks.force9.co.uk; Fri, 16 Jan 2004 18:31:44 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AhYjk-0007jM-98 for rs_out@blacksheep.org; Fri, 16 Jan 2004 18:30:28 +0000 Received: from [62.253.164.41] (helo=mta1-svc.business.ntl.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AhYjj-0007jD-N7 for rsgb_lf_group@blacksheep.org; Fri, 16 Jan 2004 18:30:27 +0000 X-Fake-Domain: l8p8y6 Received: from l8p8y6 ([62.252.229.85]) by mta1-svc.business.ntl.com (InterMail vM.4.01.03.37 201-229-121-137-20020806) with SMTP id <20040116183026.ZARL12372.mta1-svc.business.ntl.com@l8p8y6> for ; Fri, 16 Jan 2004 18:30:26 +0000 X-Bad-Message-ID: no DNS (l8p8y6) Message-ID: <001001c3dc55$337a74a0$55e5fc3e@l8p8y6> From: "hamilton mal" To: rsgb_lf_group@blacksheep.org Date: Fri, 16 Jan 2004 17:21:10 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4807.1700 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: HEATH SB221 AMP Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.0 required=5.0 tests=HTML_40_50,HTML_MESSAGE,SUBJ_ALL_CAPS autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
    Hi All
Does anyone have info about the HEATHKIT AMP SB221. Cover 80 - 10 metres. Mods for 160 m, cct details etc
I have tried the internet but cannot get a hit on this amp.
73 de Mal/G3KEV
 
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 23020 invoked from network); 14 Jan 2004 16:40:43 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 14 Jan 2004 16:40:43 -0000 Received: (qmail 33600 invoked from network); 14 Jan 2004 16:40:43 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 14 Jan 2004 16:40:42 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Ago4Q-0008bi-I3 for dave@picks.force9.co.uk; Wed, 14 Jan 2004 16:40:42 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ago3g-0007Pd-52 for rs_out@blacksheep.org; Wed, 14 Jan 2004 16:39:56 +0000 Received: from [62.253.164.41] (helo=mta1-svc.business.ntl.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Ago3a-0007PS-Td for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 16:39:50 +0000 X-Fake-Domain: l8p8y6 Received: from l8p8y6 ([62.252.232.100]) by mta1-svc.business.ntl.com (InterMail vM.4.01.03.37 201-229-121-137-20020806) with SMTP id <20040114163925.CTSU12372.mta1-svc.business.ntl.com@l8p8y6> for ; Wed, 14 Jan 2004 16:39:25 +0000 X-Bad-Message-ID: no DNS (l8p8y6) Message-ID: <000201c3dab3$9b52c580$64e8fc3e@l8p8y6> From: "hamilton mal" To: rsgb_lf_group@blacksheep.org References: <1d7.17e682e8.2d326c53@aol.com> <003101c3d8b1$f0de0900$e4bc7ad5@rogersservices> <705920758.20040112113940@dx.ru> Date: Tue, 13 Jan 2004 17:37:20 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4807.1700 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Big Vertical is restored Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.4 required=5.0 tests=DATE_IN_PAST_12_24 autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 ----- Original Message ----- From: "Ed Lesnichy" To: Sent: Monday, January 12, 2004 11:39 AM Subject: LF: Big Vertical is restored > Dear LF-enthusiasts! > > In past weekend (Jan 10-11) I and Vlad UA6LV have restored ours Big Vertical, > which was broke in December at very strong ice > > On the following weekend (Jan 16...18) we plan activity on 136kHz in CW and QRSS. > Also I plan to give QRSS60 beacons at 135.922 - 136.923 segment from 22...23z up > to sunrise at Machta - abt 0515z Hi Ed If you also listen on 7025 khz CW when u are active I will give u a report for a xband qso. I can always copy ur signals when u are active. 73 de Mal/G3KEV > > 73! Ed RU6LA ed@dx.ru http://136.73.ru > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 77653 invoked from network); 8 Jan 2004 18:36:22 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 8 Jan 2004 18:36:22 -0000 Received: (qmail 86163 invoked from network); 8 Jan 2004 18:36:21 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 8 Jan 2004 18:36:20 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Aef12-000MIr-1L for dave@picks.force9.co.uk; Thu, 08 Jan 2004 18:36:20 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AeezU-0003eY-7A for rs_out@blacksheep.org; Thu, 08 Jan 2004 18:34:44 +0000 Received: from [62.253.164.43] (helo=mta3-svc.business.ntl.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AeezR-0003eP-Kv for rsgb_lf_group@blacksheep.org; Thu, 08 Jan 2004 18:34:41 +0000 X-Fake-Domain: l8p8y6 Received: from l8p8y6 ([62.252.228.162]) by mta3-svc.business.ntl.com (InterMail vM.4.01.03.37 201-229-121-137-20020806) with SMTP id <20040108183440.SBAX6084.mta3-svc.business.ntl.com@l8p8y6> for ; Thu, 8 Jan 2004 18:34:40 +0000 X-Bad-Message-ID: no DNS (l8p8y6) Message-ID: <001701c3d611$e3eaa660$a2e4fc3e@l8p8y6> From: "hamilton mal" To: rsgb_lf_group@blacksheep.org References: <003a01c3d3d6$2ced09e0$9cce28c3@erica> Date: Thu, 8 Jan 2004 18:04:11 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4807.1700 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Re: Closedown Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 ----- Original Message ----- From: "g3ldo" To: Sent: Monday, January 05, 2004 9:51 PM Subject: LF: Re: Closedown > > Hi Laurence > > > > KL1X/WD2XDW will be closing down from Anchorage on this Tuesday 6th Jan > > 1700Z. The Rhon 45 tower will be taken down this week if the winds abate. > > The beacon will be on later this evening from appx 0100Z for the last > night > > of receiving and transmitter periods. (Also listening Lowfer band too). > > Rather sad that you are leaving Alaska but you have had a longer innings > than expected. Your experimental work on LF has been an inspiration Inspiration is one of the hit words in the English royal procedures as decribed by others about a person to obtain a Knighthood. How about an LF Knight. To qualify there must be four hits equal to or higher than Inspiration in this case. That could be the difficulty. To qualify for a lesser title Fair to Poor entitles one to a MBE G3KEV to us > all. > I am sure that I can speak for all the EU LF guys in wishing you and Sheri > all the best at your new QTH. > > I really would like to try and receive WD2XDW before you go so it will be a > maximum effort tonight monitoring .77355. I think Joe's announcement will > result in a lot of LF RF from EU tonight! > > Regards > > Peter & Erica > > > > > > > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 81285 invoked from network); 6 Jan 2004 14:09:56 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 6 Jan 2004 14:09:56 -0000 Received: (qmail 89063 invoked from network); 6 Jan 2004 14:09:54 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 6 Jan 2004 14:09:40 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Adrts-000MH4-Cx for dave@picks.force9.co.uk; Tue, 06 Jan 2004 14:09:40 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Adrte-0003iN-4O for rs_out@blacksheep.org; Tue, 06 Jan 2004 14:09:26 +0000 Received: from [62.253.164.44] (helo=mta4-svc.business.ntl.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Adrtd-0003iE-La for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2004 14:09:25 +0000 X-Fake-Domain: l8p8y6 Received: from l8p8y6 ([62.252.228.85]) by mta4-svc.business.ntl.com (InterMail vM.4.01.03.37 201-229-121-137-20020806) with SMTP id <20040106140924.XFNM13664.mta4-svc.business.ntl.com@l8p8y6> for ; Tue, 6 Jan 2004 14:09:24 +0000 X-Bad-Message-ID: no DNS (l8p8y6) Message-ID: <001501c3d45a$81152e60$55e4fc3e@l8p8y6> From: "hamilton mal" To: rsgb_lf_group@blacksheep.org Date: Tue, 6 Jan 2004 13:38:51 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4807.1700 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Atlantic Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.8 required=5.0 tests=HTML_30_40,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
I was monitoring carefully last night on the specified 137.77 khz frequencies and although I did see what appeared to be activity at times it was totally inconclusive, too many drop outs, not one letter recognisable.
Activity on a frequency, no matter how accurate is not sufficient proof that a station was seen. There was also bits on other frequencies nearby at times but except I see a few complete letters of a callsign then it is not reported.
 
de Mal/G3KEV
 
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 81069 invoked from network); 6 Jan 2004 14:09:54 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 6 Jan 2004 14:09:53 -0000 Received: (qmail 88823 invoked from network); 6 Jan 2004 14:09:53 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 6 Jan 2004 14:09:40 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Adrts-000MLj-Mk for dave@picks.force9.co.uk; Tue, 06 Jan 2004 14:09:40 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Adrtc-0003iA-Fh for rs_out@blacksheep.org; Tue, 06 Jan 2004 14:09:24 +0000 Received: from [62.253.164.44] (helo=mta4-svc.business.ntl.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Adrtb-0003i1-Sl for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2004 14:09:23 +0000 X-Fake-Domain: l8p8y6 Received: from l8p8y6 ([62.252.228.85]) by mta4-svc.business.ntl.com (InterMail vM.4.01.03.37 201-229-121-137-20020806) with SMTP id <20040106140922.XFJZ13664.mta4-svc.business.ntl.com@l8p8y6> for ; Tue, 6 Jan 2004 14:09:22 +0000 X-Bad-Message-ID: no DNS (l8p8y6) Message-ID: <001401c3d45a$7fb4b400$55e4fc3e@l8p8y6> From: "hamilton mal" To: rsgb_lf_group@blacksheep.org References: <000201c3d2f3$c4fb5f40$61e4fc3e@l8p8y6> <6.0.1.1.2.20031229161651.027e8660@POP3.freeler.nl> <000001c3d009$acf7a620$c7e47f50@Smisan> <6.0.1.1.2.20040103121138.0280f960@POP3.freeler.nl> <000601c3d2c3$2bd34e70$b733f7c2@johnb5a82ea1a4> <6.0.1.1.2.20040104163146.027efbe0@POP3.freeler.nl> <000201c3d2f3$c4fb5f40$61e4fc3e@l8p8y6> <5.1.0.14.0.20040106090928.03a8c2a0@u0019445.kuleuven.be> Date: Tue, 6 Jan 2004 13:25:09 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4807.1700 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: Horizontally polarised radiation Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_40_50,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
 
----- Original Message -----
Sent: Tuesday, January 06, 2004 8:16 AM
Subject: Re: LF: Horizontally polarised radiation

Hello group,

It is an "idée fixe" that a horizontal wire must radiate a horizontal polarized EM-wave.
A nice example of a mechanical horizontal construction that radiates a vertical polarized signal is the DDRR antenna.
So a large horizontal topload close to ground will in most cases improve the antenna efficiency (reduce the loss resistance ... footprint theory) but the radiated signal will be nevertheless mainly vertical polarized.

73, Rik  ON7YD

At 17:47 5/01/2004 +0100, you wrote:
 
Rik
I agree with your observations. Some are being misled by computer modelling and antenna theory not applicable to the type of small LF antennas used by radio amateurs.
73 de Mal/G3KEV

 
 


 
 


 
 
 
 
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 79834 invoked from network); 4 Jan 2004 19:18:38 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 4 Jan 2004 19:18:38 -0000 Received: (qmail 73234 invoked from network); 4 Jan 2004 19:18:38 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 4 Jan 2004 19:18:37 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AdDlk-000Iw9-Mn for dave@picks.force9.co.uk; Sun, 04 Jan 2004 19:18:36 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdDkq-0005YJ-Po for rs_out@blacksheep.org; Sun, 04 Jan 2004 19:17:40 +0000 Received: from [62.253.164.44] (helo=mta4-svc.business.ntl.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AdDkp-0005YA-E8 for rsgb_lf_group@blacksheep.org; Sun, 04 Jan 2004 19:17:39 +0000 X-Fake-Domain: l8p8y6 Received: from l8p8y6 ([62.252.228.97]) by mta4-svc.business.ntl.com (InterMail vM.4.01.03.37 201-229-121-137-20020806) with SMTP id <20040104191735.TJIU13664.mta4-svc.business.ntl.com@l8p8y6> for ; Sun, 4 Jan 2004 19:17:35 +0000 X-Bad-Message-ID: no DNS (l8p8y6) Message-ID: <000201c3d2f3$c4fb5f40$61e4fc3e@l8p8y6> From: "hamilton mal" To: rsgb_lf_group@blacksheep.org References: <6.0.1.1.2.20031229161651.027e8660@POP3.freeler.nl> <000001c3d009$acf7a620$c7e47f50@Smisan> <6.0.1.1.2.20040103121138.0280f960@POP3.freeler.nl> <000601c3d2c3$2bd34e70$b733f7c2@johnb5a82ea1a4> <6.0.1.1.2.20040104163146.027efbe0@POP3.freeler.nl> Date: Sun, 4 Jan 2004 16:39:45 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4807.1700 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: Re: "T" versus "L"aerial Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
 
----- Original Message -----
Sent: Sunday, January 04, 2004 3:50 PM
Subject: Re: LF: Re: "T" versus "L"aerial

Dear John,

Computer simulation takes place over perfect ground and shows appreciable horizontally polarised radiation under high elevation angles for the inverted-L aerial .  But even at say 20m height of the horizontal part of the aerial this is only 0.0009 of a wavelength so the aerial is almost on the ground.  This means that over real earth such strong currents will be induced in the earth under the aerial that almost all power in the horizontally polarised field will be converted into heat in its resistance. 
Dick
You are saying that my 4 x inv L antennas each at 120 ft vertical and 400 ft horizontal are only burning up the field under the array.
My signal is reported throughout EU and beyond to Russia and the USA as the strongest on the air only surpassed by MM0ALM when he was active. As far as I can remember he was using 2 x inv L antennas at over 140 ft high using two masts.
I have never used a T antenna, my logic is that the more independent wire in the air the better, you have the benefit in my case of 4 top loaded verticals in parallel. All the bottom ends of the verticals are connected to the top of the loading coil of about 0.3 mh. The top of each L is about 10 feet out from the mast and the drop wires taper to the bottom reducing capacitance to ground.
An inv L antenna is really a top loaded vertical.
I hope you understand what I mean.
Calculations and theoretical assumptions are often way of the mark when it comes to small antenna systems like radio amateurs use on LF.
The only solution is the practical approach, common sense gained with experience and put up the best antenna you can then judge the results. As a matter of interest I have never burnt out any insulators, antenna wires, ground radials or any vegetation underneath the antenna array.
If you are working worldwide on normal CW then you have got it right !!!!!!!
73 de Mal/G3KEV
 
I 
 

 Another point is that for DX the take-off angle should be as low as possible and that is certainly not achieved this way. 

As a ground wave (surface wave) a horizontally polarised cannot exist over a perfect ground and over real earth is so weak that it is of no practical use.

The question has come up before on the reflector and as far as I can remember the conclusion has always been that this is not a viable solution for producing a useful sky wave.

73, Dick, PA0SE

At 10:39 4-1-04, you wrote:
How much horizontally polarised skywave is there and how well does it
propagate?

Would it be worth constructing an aerial that favoured skywave?

73
John Rabson G3PAI

----- Original Message -----
From: "Dick Rollema" <d.w.rollema@freeler.nl>
To: <rsgb_lf_group@blacksheep.org>
Sent: Saturday, January 03, 2004 11:30 AM
Subject: RE: LF: Re: "T" versus "L"aerial


> To All from PA0SE,
>
> Mike,  PC4M, wrote:
>
> At 02:50 1-1-04, you wrote:
> >Dear Dick / Bob and Lofers,
> >
> >Does the computer calculate the earth losses in the return path from the
> >aerial system to the transmitter? If it would then the earth losses in a
T
> >should have been significantly less then the L alternative. There are two
> >separate return currents
> >(parallel resistance) and each with a smaler physical length (lower
> >R-earth)  in a T system resulting in more ERP if compared to an L system.
>
> In the computer simulation no resistances were included. That means that
> the 1 kW fed to the aerial is completely radiated. Even an extremelly
short
> vertical with no top load would do so and produce the calculated 29.9mV/m
> at 10km
>
> Bu the point raised by Bob, ZL2CA, was that the current in the single wire
> topload  of the "L" would generate a horizontally polarised field. In the
> "T" the currents  in the two topload wires flow in opposite directions so
> the horizontally polarised fields caused by these currents would at least
> partially cancel each other.
> The horizontally polarised field is radiated as a sky wave and the power
in
> it detracts from that in the vertically polarised field of the ground
wave.
> If the above reasoning were correct it could be expected that the "T"
would
> produce a stronger ground wave than the "L" because less power disappears
> in the horizontally polarised sky wave.
> The simulation has shown that this is not the case.
>
> The subject of losses in the earth  and surrounding objects has been
> treated very well by Jim, M0BMU, in his e-mail.
>
> 73, Dick, PA0SE
>
>
> >-----Oorspronkelijk bericht-----
> >Van: owner-rsgb_lf_group@blacksheep.org
> >[mailto:owner-rsgb_lf_group@blacksheep.org] Namens Dick Rollema
> >Verzonden: maandag 29 december 2003 16:37
> >Aan: rsgb_lf_group@blacksheep.org
> >Onderwerp: Re: LF: Re: "T" versus "L"aerial
> >
> >To All from PA0SE
> >
> >Bob, ZL2AC wrote:
> >
> >
> >
> >Dick PA0SE,
> >
> >Fine on the test result.  As you stated, the tested T has twice the
amount
> >of top loading wire (2x 20 metres) than the L (1x 20 metres).
> >
> >It would be interesting to know if a T is better than an L for constant
> >length top loading i.e. what the difference is if the upwire joins at the
> >end or the middle of the horizontal top wire (theory suggests the T is
> >better as there is minimal horizontally polarised component).
> >
> >Bob,  I cannot answer your question by a practical experiment but used
> >computer simulation instead by means of K6STI's program Antenna
Optimizer.
> >
> >I modeled two antennas with a vertical element of 20m.  One an Inverted
> >L-antenna with a horizontal top load wire of 40m. The other a T-antenna
> >with a top load of 2 x 20m.
> >Both antennas  without losses, over perfect ground and fed with 1kW.
> >
> >At a distance of 10km (so well outside the near field region) and over
> >perfect ground both antennas produced a vertically polarised field of
> >29.9mV/m. The horizontally polarised field was zero; but this is to be
> >expected because over a perfect conducting ground a horizontal field
> >component cannot exist.
> >
> >73, Dick, PA0SE
> >
> >Original message:
> >
> >
> >To: <mailto:rsgb_lf_group@blacksheep.org>LF-Group
> >Sent: Sunday, December 28, 2003 3:09 AM
> >Subject: LF: "T" versus "L"aerial
> >To All from PA0SE
> >Further to my e-mail of 26 December I measured the field strength as
> >radiated by the aerial in
> >Inverted L-configuration. From this I found EMRP = 57 milliwatt.
> >This confirms the benificial effect of top loading. The T-aerial radiated
> >140 milliwatt.
> >So going from a single 20m top load wire for the "L" to 2 x 20m for the
> >"T" resulted in an improvement by a factor 2.46 (3.9dB) in radiated
power.
> >The vertical part of the "T" consisted of an open wire feedline of 11m
> >with the two wires connected in parallel in the attic shack. For the "L"
> >one of the feedline wires was removed. I assume this did not appreciably
> >affect the EMRP.
> >73, Dick, PA0SE
>
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 7176 invoked from network); 4 Jan 2004 16:21:53 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 4 Jan 2004 16:21:53 -0000 Received: (qmail 97042 invoked from network); 4 Jan 2004 16:21:53 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 4 Jan 2004 16:21:52 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AdB0i-000P8O-Ak for dave@picks.force9.co.uk; Sun, 04 Jan 2004 16:21:52 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdB0I-0002w1-9E for rs_out@blacksheep.org; Sun, 04 Jan 2004 16:21:26 +0000 Received: from [62.253.164.42] (helo=mta2-svc.business.ntl.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AdB0H-0002vs-P2 for rsgb_lf_group@blacksheep.org; Sun, 04 Jan 2004 16:21:25 +0000 X-Fake-Domain: l8p8y6 Received: from l8p8y6 ([62.252.228.108]) by mta2-svc.business.ntl.com (InterMail vM.4.01.03.37 201-229-121-137-20020806) with SMTP id <20040104162124.UQHU19255.mta2-svc.business.ntl.com@l8p8y6> for ; Sun, 4 Jan 2004 16:21:24 +0000 X-Bad-Message-ID: no DNS (l8p8y6) Message-ID: <000201c3d2db$27f8e680$6ce4fc3e@l8p8y6> From: "hamilton mal" To: rsgb_lf_group@blacksheep.org References: Date: Sun, 4 Jan 2004 14:19:22 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4807.1700 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Antenna's Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 ----- Original Message ----- From: "G4WGT Gary" To: "Rsgb_Lf_Group" Sent: Sunday, January 04, 2004 10:55 AM Subject: LF: Antenna's > > Hello again to all at LF, > > Happy New Year to you all. > > I have had a few days away over NY so I had quite a lot of e-mails to look > thro'. > I see that there has been some debate on antenna's again which suits me fine > because I am considering trying to improve my LF antenna system. I need to > improve on the support & insulation of the antenna since my recent > experience with corona bringing down part of the antenna, so I going to try > a different antenna arrangement at the same time. > > I have only got a small back garden & at the moment the arrangement is like > a 80 to 90 mtr loop pulled in to the centre from the middle of the sides & > then pulled upwards to the top of my 14 mtr mast & secured at the lower > corners, this makes it take up a lot less space for the amount of wire used > (An example of the shape is like a Maltese Cross with the centre up in a > peak & the wide sides of the cross sloping steeply downwards). The "loop" is > fed with 72 ohm twin feeder at the peak which allowed me to use it on the 80 > M (3.5 Mhz) band with a balanced matching unit. Using this gave a great > increase over the umberella top loading with 4 wires following the criteria > set out on one of the web sites (I think Rik ON7YD). Hi Gary My suggestion is to use the mast as a support for a vertical arrangement. Connect all horizontal wires regardless of configuration together at the top of your 14 metre mast and use a vertical drop lead to connect to your loading/matching coil. ie a top loaded vertical. Keep the drop wire about 1 metre out and away from the mast, the wire does not have to be exactly vertical pull it out at the bottom end about 2 metres. I am assuming your mast is earthed, if not use the mast as the vertical radiator with the top wires connected directly to it at the top and feed the bottom end of mast to the loading coil. Resonate the coil for your preferred frequency on 136 khz and use a smaller coil at he bottom feed end in series to earth as a 50 ohm matching device. Earth the coax braid and tap the coax centre conductor up a few turns from earth to get the perfect match. A small call is preferable to get an accurate match, tapping up the large coil from the bottom is too coarse. Hope this helps you but maybe you know all of this already hi 73 de Mal/G3KEV > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 70344 invoked from network); 4 Jan 2004 13:00:56 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 4 Jan 2004 13:00:56 -0000 Received: (qmail 24875 invoked from network); 4 Jan 2004 13:00:56 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 4 Jan 2004 13:00:54 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Ad7sE-0006Fk-CJ for dave@picks.force9.co.uk; Sun, 04 Jan 2004 13:00:54 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ad7rk-0008Hz-LE for rs_out@blacksheep.org; Sun, 04 Jan 2004 13:00:24 +0000 Received: from [62.253.164.46] (helo=mta6-svc.business.ntl.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Ad7rk-0008Hq-3e for rsgb_lf_group@blacksheep.org; Sun, 04 Jan 2004 13:00:24 +0000 X-Fake-Domain: l8p8y6 Received: from l8p8y6 ([62.252.232.213]) by mta6-svc.business.ntl.com (InterMail vM.4.01.03.37 201-229-121-137-20020806) with SMTP id <20040104130023.UUEZ7358.mta6-svc.business.ntl.com@l8p8y6> for ; Sun, 4 Jan 2004 13:00:23 +0000 X-Bad-Message-ID: no DNS (l8p8y6) Message-ID: <000c01c3d2bf$128b2040$d5e8fc3e@l8p8y6> From: "hamilton mal" To: rsgb_lf_group@blacksheep.org Date: Sun, 4 Jan 2004 12:33:44 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4807.1700 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: RADIALS Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_20_30,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
HI All
 
I use insulated 2.5 mm wire lying on top of the grass for my ground system in conjunction with my vertical. I have several of these radials each one about 130 metres long fanned out around the base of a vertical. This is the next best arrangement after an elevated radial system.
I thought about trying insulated multi core cable as radials and putting the wires in series ie with a 7 core cable 130 metres long I should theoritically have a 910 metre long radial. I tend to think in practice  this might not be the case, the return current might only see a 130 metre radial underneath the antenna structure, which consists of the vertical and the horizontal wire.
Has anyone tried this arrangement on LF. I remember reading something away back about using a two core cable, or coax and joing the far end thereby increasing the length by a factor of 2.ie inner and outer of coax in series.
 
73 de Mal/G3KEV
 
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 62488 invoked from network); 4 Jan 2004 09:34:09 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 4 Jan 2004 09:34:09 -0000 Received: (qmail 34608 invoked from network); 4 Jan 2004 09:34:09 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 4 Jan 2004 09:34:08 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Ad4e8-0008tQ-4l for dave@picks.force9.co.uk; Sun, 04 Jan 2004 09:34:08 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ad4da-0005Jw-BE for rs_out@blacksheep.org; Sun, 04 Jan 2004 09:33:34 +0000 Received: from [62.253.164.42] (helo=mta2-svc.business.ntl.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Ad4dZ-0005Jn-Mf for rsgb_lf_group@blacksheep.org; Sun, 04 Jan 2004 09:33:33 +0000 X-Fake-Domain: l8p8y6 Received: from l8p8y6 ([62.252.208.206]) by mta2-svc.business.ntl.com (InterMail vM.4.01.03.37 201-229-121-137-20020806) with SMTP id <20040104093331.DELN19255.mta2-svc.business.ntl.com@l8p8y6> for ; Sun, 4 Jan 2004 09:33:31 +0000 X-Bad-Message-ID: no DNS (l8p8y6) Message-ID: <000201c3d2a2$2c797c80$ced0fc3e@l8p8y6> From: "hamilton mal" To: rsgb_lf_group@blacksheep.org References: <158.2adba09b.2d27ae53@aol.com> <6.0.1.1.2.20040103123034.02811d20@POP3.freeler.nl> Date: Sat, 3 Jan 2004 16:33:00 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4807.1700 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: T/A success for DF6NM Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.2 required=5.0 tests=DATE_IN_PAST_12_24,HTML_30_40,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
 
----- Original Message -----
Sent: Saturday, January 03, 2004 11:36 AM
Subject: LF: T/A success for DF6NM

Dear Markus,

It seems you made it over the Atlantic. Congratulations!  And that with a miniMal power of 170 mW!
Dick
miniMAL is as good as maxiMAL when propagation condx are right. My transatlantic qso's were conducted using QRP a couple of hundred watts. I do have reserve power but seldom run it flat out.
I use my home built mosfet TX/PA max 1kw out which is very reliable although I have two DECCA power amps that would run about 2.4 kw out if strapped/matched to the antenna.
With my antenna system only a few watts are required to get to 1w erp out. I suppose I could try QRO into a wet match stick.
de Mal/G3KEV
 

Am I right that you are the second continental station after CT1DRP that crossed the Atlantic?

I wish you and all LFers a happy, healthy and peaceful 2004 with lots of LF activity.

73, Dick, PA0SE



At 06:34 3-1-04, you wrote:
Hi Laurence,

http://www.kl1x.com/ARGO3/42200275.jpg
- wow, thats much better than I had dared to expect ;-)

Will leave my TX on till ~7:30, past sunrise.

Thanks a lot
Markus


In einer eMail vom 03.01.2004 03:32:28 Westeuropäische Normalzeit schreibt hellozerohellozero@hotmail.com:

0230Z

I have dfcw signal 135,922.3 and 4 (hi) and dot 60 signal on 135,923,36 or
so

Heavy qrn from splurge mucking things up...

Laurence
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 46610 invoked from network); 3 Jan 2004 16:37:04 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 3 Jan 2004 16:37:04 -0000 Received: (qmail 34746 invoked from network); 3 Jan 2004 16:37:03 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 3 Jan 2004 16:37:02 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Acolq-0008vW-P2 for dave@picks.force9.co.uk; Sat, 03 Jan 2004 16:37:02 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AcolP-0007BR-54 for rs_out@blacksheep.org; Sat, 03 Jan 2004 16:36:35 +0000 Received: from [62.253.164.45] (helo=mta5-svc.business.ntl.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AcolO-0007BI-MP for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 16:36:34 +0000 X-Fake-Domain: l8p8y6 Received: from l8p8y6 ([62.252.228.90]) by mta5-svc.business.ntl.com (InterMail vM.4.01.03.37 201-229-121-137-20020806) with SMTP id <20040103163633.XELT25709.mta5-svc.business.ntl.com@l8p8y6> for ; Sat, 3 Jan 2004 16:36:33 +0000 X-Bad-Message-ID: no DNS (l8p8y6) Message-ID: <000c01c3d214$1be558a0$5ae4fc3e@l8p8y6> From: "hamilton mal" To: rsgb_lf_group@blacksheep.org Date: Sat, 3 Jan 2004 16:10:00 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4807.1700 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: 136 khz acty Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_40_50,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
Dave/GM3YXM very strong last night working OM2 on QRS3. 137.7 khz.
First acty hrd from GM for a long time, it looks like all the GI stns have given up also EI.
73 de Mal/G3KEV
 
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 96504 invoked from network); 1 Jan 2004 12:28:06 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 1 Jan 2004 12:28:06 -0000 Received: (qmail 38427 invoked from network); 1 Jan 2004 12:28:06 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 1 Jan 2004 12:28:05 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Ac1vp-0009tA-2y for dave@picks.force9.co.uk; Thu, 01 Jan 2004 12:28:05 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ac1vC-0003pz-HO for rs_out@blacksheep.org; Thu, 01 Jan 2004 12:27:26 +0000 Received: from [62.253.164.41] (helo=mta1-svc.business.ntl.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Ac1vB-0003pq-O2 for rsgb_lf_group@blacksheep.org; Thu, 01 Jan 2004 12:27:25 +0000 X-Fake-Domain: l8p8y6 Received: from l8p8y6 ([62.252.208.100]) by mta1-svc.business.ntl.com (InterMail vM.4.01.03.37 201-229-121-137-20020806) with SMTP id <20040101122723.PQLF281.mta1-svc.business.ntl.com@l8p8y6> for ; Thu, 1 Jan 2004 12:27:23 +0000 X-Bad-Message-ID: no DNS (l8p8y6) Message-ID: <001301c3d05e$f7c08b40$64d0fc3e@l8p8y6> From: "hamilton mal" To: rsgb_lf_group@blacksheep.org References: <1f0.1684d3c0.2d234ce8@aol.com> Date: Wed, 31 Dec 2003 16:26:55 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4807.1700 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: TA beaconing Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.9 required=5.0 tests=DATE_IN_PAST_12_24,HTML_20_30,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
 
----- Original Message -----
Sent: Tuesday, December 30, 2003 9:49 PM
Subject: LF: TA beaconing

Dear Mal and LF group,

good, I promise I will be among the first to congratulate when you have crossed the pond in "honest CW". But my views on QRSS transatlantic beaconing are quite different.

The extra hop we need from central Europe makes it much more difficult to get across, and of course most of us LFers don't own large rusty antenna arrays or live near near the seashore. Many countries have not been seen stateside once ever. Personally, I still find it very rewarding to even see only a couple of bright noise pixels on the right frequency in one of the screenshots, or to receive Joe's signal once in a couple of weeks.

What worries me a little right now is the increasing Eu transmitting activity in the 137775 region. Even at QRSS30, the key clicks of a local station can easily clutter up a few Hz and cover potential DX signals. I would much prefer sticking to the proven scheme of us transmitting around 135922, and watching for stateside/ZL signals at the top end of the band.
Hi Markus
I have mentioned this a number of times. Some sort of bandplan is necessary. EU stns use 135.922 khz and outside EU use 137.700 khz. Most nights 137.7 khz is occupied by EU stns. So how do we get the bandplan to work??
Most ignore sensible suggestions. Inter EU working would have to be 135.922 khz plus/minus a little like it used to be and not the present 137.7 khz area. Maybe we could suggest a START date for the changes.
73 de Mal/G3KEV
 


Last night, VO1NA was visible four times between 2 and 5 UT. I transmitted 135922.3/.4 DFCW for a couple of hours before local sunrise (~7 UT), and if all goes well I'll try again tonight.

73 and best wishes to everyone,
Markus, DF6NM


In einer eMail vom 30.12.2003 19:57:04 Westeuropäische Normalzeit schreibt g3kev.ham@virgin.net:

Hi Dexter

I can send you plenty of LF RF as you already know from previous
observations your end. What I want in return is a proper QSO on normal CW. I
will TX on 136 and you TX on say 7025 khz. If any others are interested so
much the better. I do not want to send out repeative and meaningless Beacon
signals, I and others already know we can get across the Atlantic and vice
versa from VE to Europe.
I have an array of LF antennas just rusting away.

de Mal/G3KEV


From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 42033 invoked from network); 1 Jan 2004 12:28:06 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 1 Jan 2004 12:28:06 -0000 Received: (qmail 47284 invoked from network); 1 Jan 2004 12:28:06 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 1 Jan 2004 12:28:04 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Ac1vo-000C5M-JY for dave@picks.force9.co.uk; Thu, 01 Jan 2004 12:28:04 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ac1vE-0003qC-Vq for rs_out@blacksheep.org; Thu, 01 Jan 2004 12:27:28 +0000 Received: from [62.253.164.41] (helo=mta1-svc.business.ntl.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Ac1vE-0003q3-Ca for rsgb_lf_group@blacksheep.org; Thu, 01 Jan 2004 12:27:28 +0000 X-Fake-Domain: l8p8y6 Received: from l8p8y6 ([62.252.208.100]) by mta1-svc.business.ntl.com (InterMail vM.4.01.03.37 201-229-121-137-20020806) with SMTP id <20040101122727.PQME281.mta1-svc.business.ntl.com@l8p8y6> for ; Thu, 1 Jan 2004 12:27:27 +0000 X-Bad-Message-ID: no DNS (l8p8y6) Message-ID: <001401c3d05e$f9b68ee0$64d0fc3e@l8p8y6> From: "hamilton mal" To: rsgb_lf_group@blacksheep.org Date: Wed, 31 Dec 2003 19:03:54 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4807.1700 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: TA XBAND Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.9 required=5.0 tests=DATE_IN_PAST_12_24,HTML_20_30,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
Hi Dex
Tnx for ur reply.
I will be off to GI3KEV QTH soon for a few weeks so will not be active from Scarborough for a while. My dxpeditions are a one man affair and I have to do in a couple of day what others take weeks to do. Get the 120 ft tower unparked and extended, rig the antennas for LF and the HF bands. After all this effort when I get active on 136 Khz I might be lucky to work a couple of station on CW, most these days seem to be on QRS although perfectly audible and workable on CW to me. 
On the other hand GI/Tyrone on HF is still rare especially on CW and I get a pile up on any band that I choose to operate.
I often have to pull the plug or the pile up would go on for ever !! On a recent trip to CT1/Algarve it was the same on HF.
LF activities do not justify the effort.
I have offered other amateurs both in Scarboro and Tyrone the antenna facilities but none are interested. Most do not have the equipment or cannot be bothered.
VE1ZJ and VE1ZZ are good cw ops but they have gone QRT, the only other active VE stn these days seems to work QRS only. The Russian stns also seem to have gone QRT this year so it is not very encouraging.
Maybe later next year.
By the way most weekends there is a lot of EU activity from OH, SM, PA, DL ,S52, I5 YU7 etc all on QRS these days on 137.7 khz and I am surprised that you have not copied any of them. They are all very strong with me.
 
 
73 and HNY
de Mal/G3KEV
 
 
  
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 42560 invoked from network); 11 Jan 2004 12:22:32 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 11 Jan 2004 12:22:32 -0000 Received: (qmail 1662 invoked from network); 11 Jan 2004 12:22:32 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 11 Jan 2004 12:22:31 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Afebv-0000JY-Kt for dave@picks.force9.co.uk; Sun, 11 Jan 2004 12:22:31 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Afebd-0004z0-Nd for rs_out@blacksheep.org; Sun, 11 Jan 2004 12:22:13 +0000 Received: from [217.72.192.165] (helo=mailgate5.cinetic.de) by post.thorcom.com with esmtp (Exim 4.14) id 1Afebd-0004yr-64 for rsgb_lf_group@blacksheep.org; Sun, 11 Jan 2004 12:22:13 +0000 Received: from web.de (fmomail03.dlan.cinetic.de [172.20.1.236]) by mailgate5.cinetic.de (8.11.6p2/8.11.2/SuSE Linux 8.11.0-0.4) with SMTP id i0BCLgQ13690 for rsgb_lf_group@blacksheep.org; Sun, 11 Jan 2004 13:21:42 +0100 Date: Sun, 11 Jan 2004 13:21:42 +0100 Message-ID: <200401111221.i0BCLgQ13690@mailgate5.cinetic.de> MIME-Version: 1.0 Organization: http://freemail.web.de/ From: "Hans-Albrecht Haffa" To: rsgb_lf_group@blacksheep.org Subject: Re: LF: 300W-TX-G0MRF Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Dear Peter, I have had similar problems in constructing PAs. First: One reason for the ringing might be the transistors. Put a capacitor 2n7/ 3kV ceramic from drain to source at each PA-transistor. This is likeliy if the pa is operated with an quiescent current. sec.: If You dont have any quiescent current at all, than there is no damping resistor at the transformer for the winding that is not driven . Any winding of a transformer that carries no current will ring. This effect has been never described in amateur radio . The only thing You can do against is adding an quiescent current or using an topology where all windings carry allways a current, that is only two windings, pri and sec. More upon request. Hans-Albrecht Haffa DK 8 ND CBA, ++49-(0)7161 - 87847 rsgb_lf_group@blacksheep.org schrieb am 07.01.04 16:04:23: > > dj9dw schrieb: > > Hello group, > > as I can't get in contact with David, G0MRF, I want to spread out my problem > > here. > > The TX works fine except the outputtransformer T2. There is heavy ringing at > > abt 1 MHz. Now I figured, the inductance seems to be abt 300uH from drain to > > drain. That shure is far too much. > > Could it be that David has changed the toroid - type to one with higher u so > > that 10 turns primary has to be reduced? > > Your help is very welcom, I am stuck. > > > > Regards, dj9dw, Peter. > > Hi Peter, > > pse see > > http://www.qsl.net/dj8wx/My%20second%20transmitter.htm > > if T2 is not pressed p.e. between two ceramic pieces > it should be coold by a fan or else it vibrates on subharmonics of the > transmitted QRG. > > btw. how did you find out a "ringing" at abt 1MHz ? > > best regards > > Uwe/dj8wx > > > > > ______________________________________________________________________________ Nachrichten, Musik und Spiele schnell und einfach per Quickstart im WEB.DE Screensaver - Gratis downloaden: http://screensaver.web.de/?mc=021110 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 82817 invoked from network); 11 Jan 2004 12:08:37 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 11 Jan 2004 12:08:37 -0000 Received: (qmail 88865 invoked from network); 11 Jan 2004 12:08:37 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 11 Jan 2004 12:08:36 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AfeOR-000N0U-Vl for dave@picks.force9.co.uk; Sun, 11 Jan 2004 12:08:36 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AfeNj-0004eK-Ol for rs_out@blacksheep.org; Sun, 11 Jan 2004 12:07:51 +0000 Received: from [217.72.192.165] (helo=mailgate5.cinetic.de) by post.thorcom.com with esmtp (Exim 4.14) id 1AfeNi-0004dy-UR for rsgb_lf_group@blacksheep.org; Sun, 11 Jan 2004 12:07:51 +0000 Received: from web.de (fmomail03.dlan.cinetic.de [172.20.1.236]) by mailgate5.cinetic.de (8.11.6p2/8.11.2/SuSE Linux 8.11.0-0.4) with SMTP id i0BC7KQ16752 for rsgb_lf_group@blacksheep.org; Sun, 11 Jan 2004 13:07:20 +0100 Date: Sun, 11 Jan 2004 13:07:20 +0100 Message-ID: <200401111207.i0BC7KQ16752@mailgate5.cinetic.de> MIME-Version: 1.0 Organization: http://freemail.web.de/ From: "Hans-Albrecht Haffa" To: rsgb_lf_group@blacksheep.org Subject: LF: Re:3C90 Al value? Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Dear Dave, dont calculate the AL-value, try to get out the relative permeability of the material. Your formula: L=n2*AL my formula: L=u*u°*n2*Afe/lfe lfe is the length of the magnetic path. Permeability constant of the vacuum: uo=4*Pi*1E-7 (V*s/A*m) Afe: magnetic cross section in basic unit m2, i.e. 1mm2=1E-6 m2 If You know the relative permeability, than the frequency rage and the losses may be estimated. All magnetic materials with a similar permeability of Valvo - Ferroxcube - Philips and competitors are similar. I never could measure any practical difference in using N27/N67/FI322/FI324 using cores for switch mode power supplies. It is easy to reduce magnetic losses in the core, but nearly impossible to optimize winding copper. Wire thicknes (wire, Litz or copper foil) frequency, and current and of course temperature class ( 135 °C, 155°C or even 180°C) of insulation will never harmonize on 136kHz. Please note: If You cannot reduce current density in the wire anymore, as well as reduicing magnetization (B) of the core, than oe must magnify the surface of the core, th omprove cooling. Two (2) toroids stacked hav twice teh cross section, but not thwice the surface... More upon request. 55, Hans-Albrecht DK 8 ND rsgb_lf_group@blacksheep.org schrieb am 11.01.04 10:11:54: Hello Group. After a 4 month wait I've received a batch of 58mm cores claiming to be 3C90, but according to the catalogue they have the wrong colour code. These are white (pos 3C11) not blue/white for 3C90. The way to confirm is to calculate the Al value and compare to the data on 3C90 3C85 3C11 etc materials. Unfortunately 3C90 is not listed in my old data book. I've measured the inductance of a 21 turn winding at 1.43mH. Using L = Al x N squared, this suggests an Al value of 3249. Is this a good figure for 3C90? It does seem far too low for 3C11 (5000+) Perhaps they've changed the colour code again? 73 David G0MRF ______________________________________________________________________________ Erdbeben im Iran: Zehntausende Kinder brauchen Hilfe. UNICEF hilft den Kindern - helfen Sie mit! https://www.unicef.de/spe/spe_03.php From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 75728 invoked from network); 20 Jan 2004 15:14:27 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 20 Jan 2004 15:14:27 -0000 Received: (qmail 24854 invoked from network); 20 Jan 2004 15:14:27 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 20 Jan 2004 15:14:26 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AixaE-0006Lq-Gh for dave@picks.force9.co.uk; Tue, 20 Jan 2004 15:14:26 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AixZt-0006rt-Gq for rs_out@blacksheep.org; Tue, 20 Jan 2004 15:14:05 +0000 Received: from [212.159.14.214] (helo=ptb-relay03.plus.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AixZt-0006rd-0w for rsgb_lf_group@blacksheep.org; Tue, 20 Jan 2004 15:14:05 +0000 Received: from [212.159.90.113] (helo=Hugh) by ptb-relay03.plus.net with smtp (Exim) id 1AixZO-000PvY-GQ for rsgb_lf_group@blacksheep.org; Tue, 20 Jan 2004 15:13:34 +0000 X-Bad-Message-ID: no DNS (Hugh) Message-ID: <001701c3df67$c77895a0$3704210a@Hugh> From: "Hugh M0WYE" To: rsgb_lf_group@blacksheep.org References: <2D280BB697C7EE4C979C5C89925418EF0181DC9F@TNS-FBU-2E-003.corp.telenor.no> Date: Tue, 20 Jan 2004 15:12:08 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4133.2400 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: Re: LF: Where to get TC44... and MUR1660?? Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.3 required=5.0 tests=WANTS_CREDIT_CARD autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi Group, Re: Farnell It obviously varies from country to country because anybody with a credit card can order from Farnell in this country, although there is a Ł10 minimum order charge for credit card orders. 73 Hugh M0WYE ----- Original Message ----- From: To: Sent: Tuesday, January 20, 2004 3:04 PM Subject: Re: Re: LF: Where to get TC44... and MUR1660?? Well, not quite so, I could do such things before because I work for Norwegian Telecomm and the companies knew that I was a potential customer for buying items for work, it doesn't apply for anybody else, but it is true that many are not aware of the possibilities they have as design engineers in a factory 73, Jan-Martin --- J M Nöding, LA8AK Telefon QRL 0047-380-52660, 9077-7126 (QTH: 0047-380-87178) -----Original Message----- From: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org]On Behalf Of Rik Not correct (at least not in Belgium & Netherlands) At QRL I order Farnell components just because they have no minimum order and no package/transport costs. Once I had to repair equipment and ordered 1 single transistor that costs 0.1 Euro. It was delived next day at no extra cost. 73, Rik ON7YD Farnell sells minimum 100 pieces TC4426. From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 54886 invoked from network); 14 Jan 2004 15:13:27 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 14 Jan 2004 15:13:27 -0000 Received: (qmail 81090 invoked from network); 14 Jan 2004 15:13:27 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 14 Jan 2004 15:13:23 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Agmhv-000Ko4-9L for dave@picks.force9.co.uk; Wed, 14 Jan 2004 15:13:23 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AgmhS-0005ru-Ti for rs_out@blacksheep.org; Wed, 14 Jan 2004 15:12:54 +0000 Received: from [212.159.14.212] (helo=ptb-relay01.plus.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AgmhO-0005rk-9Y for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 15:12:50 +0000 Received: from [212.159.90.113] (helo=Hugh) by ptb-relay01.plus.net with smtp (Exim) id 1Agmgt-000MLz-Jl for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 15:12:19 +0000 X-Bad-Message-ID: no DNS (Hugh) Message-ID: <003d01c3dab0$ab53c900$3704210a@Hugh> From: "Hugh M0WYE" To: rsgb_lf_group@blacksheep.org References: <000001c3daae$48c8cdf0$fce8c593@rsch15> Date: Wed, 14 Jan 2004 15:11:13 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4133.2400 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: RE: lf and noise and offshore. Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hello Jim, Dick, Peter, LF Group Jim, M0BMU said ... > I am currently running 1200W at 136kHz into about 50m of wire antenna in > a residential area and, like the others, I do not experience significant > problems with QRM to domestic equipment caused by the LF signal. ... Even my modest TX set-up completely wipes out the Longwave broadcast band on nearby portable radio recievers ... but maybe listening to Long Wave broadcasts is "old fashioned" ! 73 Hugh M0WYE From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 34517 invoked from network); 28 Jan 2004 01:14:34 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 28 Jan 2004 01:14:34 -0000 Received: (qmail 14211 invoked from network); 28 Jan 2004 01:14:34 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 28 Jan 2004 01:14:33 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AleHp-0003Rl-2s for dave@picks.force9.co.uk; Wed, 28 Jan 2004 01:14:33 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AleGK-0003An-Ul for rs_out@blacksheep.org; Wed, 28 Jan 2004 01:13:00 +0000 Received: from [194.73.73.92] (helo=carbon.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AleGK-0003Ae-49 for rsgb_lf_group@blacksheep.org; Wed, 28 Jan 2004 01:13:00 +0000 Received: from [213.122.44.232] (helo=rogersservices) by carbon.btinternet.com with esmtp (Exim 3.22 #25) id 1AleGE-0006Gz-00 for rsgb_lf_group@blacksheep.org; Wed, 28 Jan 2004 01:12:55 +0000 X-Bad-Message-ID: no DNS (rogersservices) Message-ID: <000a01c3e53b$527c12c0$e82c7ad5@rogersservices> From: "James Moritz" To: rsgb_lf_group@blacksheep.org References: <005401c3e2ad$3d2d3ba0$6507a8c0@Main> <000a01c3e404$c3453280$fec428c3@erica> <001101c3e533$75938200$d4ce28c3@erica> Date: Wed, 28 Jan 2004 01:09:03 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: LF TA Content-Type: multipart/mixed; boundary="------------040807010708080908070206" X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 This is a multi-part message in MIME format. --------------040807010708080908070206 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit Dear Joe, Peter, LF Group, VO1NA currently "O" copy here - giving 'LDO an "O" report. See attachment. 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23:49:29 +0000 X-Bad-Message-ID: no DNS (rogersservices) Message-ID: <000b01c3e39d$56b85f00$82238751@rogersservices> From: "James Moritz" To: rsgb_lf_group@blacksheep.org References: <005401c3e2ad$3d2d3ba0$6507a8c0@Main> <000801c3e38f$bbec4d40$1f00a8c0@dellboy> Date: Sun, 25 Jan 2004 23:45:38 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Re: Running on 2 legs Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 ----- Original Message ----- From: Dave Pick To: Sent: Sunday, January 25, 2004 10:08 PM Subject: LF: Re: Running on 2 legs > I doubt whether we'll see anything tonight... the screen looks devoid of any > Loran lines, usually a bad sign and topband has collapsed completely. What's > going on Alan? There seems to be a lot of QRN which is masking the weaker spectral lines at the moment. Sigs from VO1NA have been visible over the last couple of nights, but weaker than usual - I put it down to the recent flare activity. Cheers, Jim Moritz 73 de M0BMU From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 28628 invoked from network); 24 Jan 2004 12:45:20 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 24 Jan 2004 12:45:20 -0000 Received: (qmail 15665 invoked from network); 24 Jan 2004 12:45:20 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 24 Jan 2004 12:45:18 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AkNA6-0003uk-Jh for dave@picks.force9.co.uk; Sat, 24 Jan 2004 12:45:18 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AkN9Z-00008f-0m for rs_out@blacksheep.org; Sat, 24 Jan 2004 12:44:45 +0000 Received: from [194.73.73.93] (helo=rhenium.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AkN9Y-00008W-98 for rsgb_lf_group@blacksheep.org; Sat, 24 Jan 2004 12:44:44 +0000 Received: from [213.122.137.237] (helo=rogersservices) by rhenium.btinternet.com with esmtp (Exim 3.22 #25) id 1AkN9X-0000wH-00 for rsgb_lf_group@blacksheep.org; Sat, 24 Jan 2004 12:44:43 +0000 X-Bad-Message-ID: no DNS (rogersservices) Message-ID: <001301c3e277$4ed874e0$ed897ad5@rogersservices> From: "James Moritz" To: rsgb_lf_group@blacksheep.org References: <000c01c3e02e$600a21a0$01eafc3e@l8p8y6> <001501c3e058$ba617980$2102000a@ibm> <002501c3e121$12a54fe0$2102000a@ibm> <000201c3e18c$03c4b540$40e5fc3e@l8p8y6> <002501c3e1e8$cee237a0$2102000a@ibm> <000d01c3e212$ba8e9120$73338751@rogersservices> <001101c3e263$a9928f60$2102000a@ibm> Date: Sat, 24 Jan 2004 12:40:53 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Thanks for usefull info! Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_40_50,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
Dear Dick, LF Group,
 
According to my old Micrometals catalogue, Green/yellow is -40 mix, with relative permeability of 60 - it is fairly similar to the white/yellow -26 mix with permeability of 75.
 
You can find lots of core and application info on the micrometals web site http://www.micrometals.com/parts_index.html
 
Cheers, Jim Moritz
73 de M0BMU
 
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 92932 invoked from network); 24 Jan 2004 00:45:24 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 24 Jan 2004 00:45:24 -0000 Received: (qmail 56629 invoked from network); 24 Jan 2004 00:45:24 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 24 Jan 2004 00:45:23 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AkBvP-000Ec6-8D for dave@picks.force9.co.uk; Sat, 24 Jan 2004 00:45:23 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AkBuo-0001MQ-OG for rs_out@blacksheep.org; Sat, 24 Jan 2004 00:44:46 +0000 Received: from [194.73.73.81] (helo=tungsten.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AkBun-0001MH-VS for rsgb_lf_group@blacksheep.org; Sat, 24 Jan 2004 00:44:46 +0000 Received: from [81.135.51.115] (helo=rogersservices) by tungsten.btinternet.com with esmtp (Exim 3.22 #25) id 1AkBum-0000hH-00 for rsgb_lf_group@blacksheep.org; Sat, 24 Jan 2004 00:44:44 +0000 X-Bad-Message-ID: no DNS (rogersservices) Message-ID: <000d01c3e212$ba8e9120$73338751@rogersservices> From: "James Moritz" To: rsgb_lf_group@blacksheep.org References: <000c01c3e02e$600a21a0$01eafc3e@l8p8y6> <001501c3e058$ba617980$2102000a@ibm> <002501c3e121$12a54fe0$2102000a@ibm> <000201c3e18c$03c4b540$40e5fc3e@l8p8y6> <002501c3e1e8$cee237a0$2102000a@ibm> Date: Sat, 24 Jan 2004 00:40:06 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: 137 kHz project......Handy cost-saving tip Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
Dear Dick, LF Group,
 
Thinking of cheap sources of ferrite, I have used the cores from old computer monitor line output transformers for some time for supression purposes - but the type of ferrite they are made from is very similar to the 3C8/3C85/3C90 grades often used on LF PA circuits.
 
So I tried one as a power transformer - after some rough calculations I made a 1:1 transformer with 2 x 20turn windings of 1mm dia. enamelled copper wire. Feeding 500W into this made it only warm to the touch. I then tried it at 1kW continuous for several minutes, after which it was quite hot, about 60degreesC, so still OK really - I would be quite confident to use this for a PA producing several hundred watts.
 
The core I used was typical of several I have extracted from scap VGA monitors - it consists of 2 "C" shaped halves held together with a metal spring clip, and measures 63 x 39 x 14mm overall. They are usually glued into the LOPT transformer assembly, which makes them a bit hard to remove without breaking. The best way to do it I find is to cut radial slots through the moulded EHT winding with a hacksaw, and carefully break away the windings from the core. After that, seperate the two halves of the core, and remove the pieces of plastic film that maintain a gap between the mating surfaces of the core halves (important!). Then carefully clean up the mating surfaces so they fit together perfectly without a gap - any gap will greatly reduce the inductance, which you don't want to happen for a PA transformer. The way I wound the transformer was to assemble the core, then cover the centre leg with 3 layers polyester tape for insulation. Then I wound the first 20 turns onto the round centre leg as if winding a toroid, covered this with another 3 layers of tape, then the second 20 turns on top. The 20 turn winding has XL ~ 900ohms, so more than enough for a 50ohm winding. Obviously you would use fewer turns of thicker wire, or multiple parallel strands of wire , for the low impedance windings of a PA transformer.
 
Cheers, Jim Moritz
73 de M0BMU
 
 
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 44233 invoked from network); 21 Jan 2004 22:10:53 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 21 Jan 2004 22:10:53 -0000 Received: (qmail 89177 invoked from network); 21 Jan 2004 22:10:53 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 21 Jan 2004 22:10:50 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AjQYj-000Mgo-W7 for dave@picks.force9.co.uk; Wed, 21 Jan 2004 22:10:50 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AjQYC-0008Os-UY for rs_out@blacksheep.org; Wed, 21 Jan 2004 22:10:16 +0000 Received: from [194.73.73.176] (helo=protactinium.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AjQYC-0008Oj-8T for rsgb_lf_group@blacksheep.org; Wed, 21 Jan 2004 22:10:16 +0000 Received: from [81.135.12.5] (helo=rogersservices) by protactinium.btinternet.com with esmtp (Exim 3.22 #25) id 1AjQY5-0006Ye-00 for rsgb_lf_group@blacksheep.org; Wed, 21 Jan 2004 22:10:10 +0000 X-Bad-Message-ID: no DNS (rogersservices) Message-ID: <005601c3e06a$cddd6660$050c8751@rogersservices> From: "James Moritz" To: rsgb_lf_group@blacksheep.org References: <001301c3de7a$dade8b60$fe79a8c0@PCVONWALTER> <4010040925.20040119114525@dx.ru> Date: Wed, 21 Jan 2004 22:06:19 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: V01NA Content-Type: multipart/mixed; boundary="------------010309020302060006040001" X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 This is a multi-part message in MIME format. --------------010309020302060006040001 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit Dear Joe, LF group, Broken antenna wires notwithstanding, got quite good copy of VO1NA last night considering the relatively high level of QRN here. As usual, best reception was around dawn - see attachment. 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From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 82266 invoked from network); 19 Jan 2004 16:47:20 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 19 Jan 2004 16:47:20 -0000 Received: (qmail 45632 invoked from network); 19 Jan 2004 16:47:19 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 19 Jan 2004 16:47:18 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AicYY-000Bkr-9G for dave@picks.force9.co.uk; Mon, 19 Jan 2004 16:47:18 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AicYD-00077W-Lg for rs_out@blacksheep.org; Mon, 19 Jan 2004 16:46:57 +0000 Received: from [147.197.200.9] (helo=hestia.herts.ac.uk) by post.thorcom.com with esmtp (Exim 4.14) id 1AicYC-00077N-VM for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 16:46:57 +0000 X-Fake-Domain: gemini Received: from gemini ([147.197.200.44] helo=gemini.herts.ac.uk) by hestia.herts.ac.uk with esmtp (Exim 3.22 #1) id 1AicMl-0004F2-00 for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 16:35:07 +0000 X-No-DNS-For: 147.197.232.252 Received: from [147.197.232.252] (helo=rsch15) by gemini.herts.ac.uk with esmtp (Exim 3.33 #1) id 1AicMk-0000cP-00 for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 16:35:06 +0000 From: "James Moritz" To: rsgb_lf_group@blacksheep.org Date: Mon, 19 Jan 2004 16:35:08 -0000 Organization: University of Hertfordshire X-Bad-Message-ID: no DNS (rsch15) Message-ID: <000001c3deaa$334f56b0$fce8c593@rsch15> MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.2627 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Importance: Normal In-reply-to: X-UH-MailScanner: No Virus detected Subject: LF: RE: AC feeder... Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Dear Rich, If the chokes have fairly low inductance (so that XLchoke < XCant; total L < several 100uH) or they are part of some sort of tuned trap resonant at 1097kHz, I guess this arrangement will result in the antenna feed point having an inductive reactance at 136k, so you will need to add capacitance to tune this out. How much capacitance will depend on the choke inductance - you could probably calculate that to a reasonable approximation by measuring the size and number of turns. Or better still, measure the actual impedance if you have the necessary test gear. I guess it would be some nF. It would have to have high RF voltage/current rating. Connecting the resonating C between ant feed and ground would probably give quite a high resistance at 136k; connecting the C between ant feed and TX output a very low resistance. Either way, you would probably need additional matching to the TX output, either using a transformer or by tapping the capacitor. The efficiency of this kind of matching network would depend a lot on the Q of the chokes at 136k, and the other components, and would probably be much lower than if they were not there - but since the AC feed chokes can obviously take quite big RF currents and voltages, they might have reasonably high Q, and since the antenna is so big, you will be able to radiate a good signal even if efficiency is quite low. Cheers, Jim Moritz 73 de M0BMU From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 99320 invoked from network); 19 Jan 2004 14:42:15 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 19 Jan 2004 14:42:15 -0000 Received: (qmail 59318 invoked from network); 19 Jan 2004 14:42:15 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 19 Jan 2004 14:42:08 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AiabQ-000FB9-Oh for dave@picks.force9.co.uk; Mon, 19 Jan 2004 14:42:08 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Aiaaw-0004Ci-E2 for rs_out@blacksheep.org; Mon, 19 Jan 2004 14:41:38 +0000 Received: from [147.197.200.9] (helo=hestia.herts.ac.uk) by post.thorcom.com with esmtp (Exim 4.14) id 1Aiaau-0004AB-ME for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 14:41:36 +0000 X-Fake-Domain: gemini Received: from gemini ([147.197.200.44] helo=gemini.herts.ac.uk) by hestia.herts.ac.uk with esmtp (Exim 3.22 #1) id 1Aiaa0-0001OI-00 for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 14:40:40 +0000 X-No-DNS-For: 147.197.232.252 Received: from [147.197.232.252] (helo=rsch15) by gemini.herts.ac.uk with esmtp (Exim 3.33 #1) id 1AiaZz-0004zU-00 for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 14:40:39 +0000 From: "James Moritz" To: rsgb_lf_group@blacksheep.org Date: Mon, 19 Jan 2004 14:40:40 -0000 Organization: University of Hertfordshire X-Bad-Message-ID: no DNS (rsch15) Message-ID: <000001c3de9a$35a12930$fce8c593@rsch15> MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.2627 Importance: Normal In-reply-to: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-UH-MailScanner: No Virus detected Subject: LF: RE: Test failed... Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Dear Rich, Sorry to hear about your problems... Is it possible that something silly has happened - e.g. the mast insulator has been shorted to ground for lightning protection? That would make it hard to tune up! I guess the capacitance of the mast will be about 1500 - 2500pF, so loading coil inductance should be in the several hundreds of uH. If the antenna is resonated with a simple series L, the resistance component of the antenna impedance will probably be only a very few ohms - if your TX does not like low impedance loads, it may not deliver much output to such a load. When I operated from the old Decca site, I found the simplest solution was to make a custom matching transformer on the site - this had about 20t primary on a large ferrite ring connected to the TX output, and I then wound on the secondary (about 6t) for a reasonable match with the series coil adjusted for resonance. You will get very strong received signals with a big mast (Marconi was using antennas this sort of size to receive trans-atlantic LF sigs on crystal sets)- so signal strengths will still be high if the matching is not very good - even if there is something like an open or short circuit. But if you heavily attenuate the RX input, there should still be a sharp resonance peak when the antenna is correctly tuned. Hope you have another opportunity soon- Cheers, Jim Moritz 73 de M0BMU From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 91710 invoked from network); 14 Jan 2004 19:06:59 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 14 Jan 2004 19:06:59 -0000 Received: (qmail 14136 invoked from network); 14 Jan 2004 19:06:59 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 14 Jan 2004 19:06:52 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AgqLs-0003LI-Ho for dave@picks.force9.co.uk; Wed, 14 Jan 2004 19:06:52 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AgqL7-0001jM-6H for rs_out@blacksheep.org; Wed, 14 Jan 2004 19:06:05 +0000 Received: from [147.197.200.9] (helo=hestia.herts.ac.uk) by post.thorcom.com with esmtp (Exim 4.14) id 1AgqL6-0001jD-73 for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 19:06:04 +0000 X-Fake-Domain: gemini Received: from gemini ([147.197.200.44] helo=gemini.herts.ac.uk) by hestia.herts.ac.uk with esmtp (Exim 3.22 #1) id 1AgqKb-0007GY-00 for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 19:05:33 +0000 X-No-DNS-For: 147.197.232.252 Received: from [147.197.232.252] (helo=rsch15) by gemini.herts.ac.uk with esmtp (Exim 3.33 #1) id 1AgqKa-0000wX-00 for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 19:05:32 +0000 From: "James Moritz" To: rsgb_lf_group@blacksheep.org Date: Wed, 14 Jan 2004 19:05:33 -0000 Organization: University of Hertfordshire X-Bad-Message-ID: no DNS (rsch15) Message-ID: <000001c3dad1$62a77eb0$fce8c593@rsch15> MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.2627 Importance: Normal In-reply-to: <014001c3dac5$075aceb0$f89a8418@Peter> X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-UH-MailScanner: No Virus detected Subject: RE: LF: lf andnoise and offshore. Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Dear Peter, LF Group, In response to your questions... >What is the longest sec/dot size that is used on amateur LF ? >I noted that Rik's QRS program offers up to 60 sec per dot. >Are there programs with much longer sec/dot times out there ? The longest dot lengths regularly used are 120s - much longer than that, and DX propagation "lifts" do not last long enough to transmit a useful number of characters - also the symbols get broken up by QSB. The software could utilise much longer dot periods, but it does not seem practically useful to do so. > Do the various cheap car audio amps ( OP up to 600 W rms ) do a reasonable >job on 137 Khz ( after possibly removing audio filters etc. ) or is the >frequency roll-off disqualifying ? Audio PA modules can be made to work on 136k, but generally need modification to achieve anywhere near full output power. The heat sinks are usually a bit too small for continuous key-down output. By the time you have devised and tested suitable mods, keying circuits, PSUs, matching transformers, filters etc, the amplifier itself is only a small part of the construction - so it is probably just as easy to build from scratch. > If disqualifying, does someone have a suggestion c.q. reference for me to >build a Tx ? >In the junkbox I have lots of Fairchild Power MOSFETS 75345P 55V 75 A ( ex >various 24>220 V AC ships power sinus converters ) mounted on heavy alu >cooling blocks. >So, if I have to build the Tx PA myself, I prefer to use these FETS. >Has someone a suggestion for a possibly suitable circuit diagram ? For a start, see: http://www.wireless.org.uk/136rig.htm http://www.g0mrf.freeserve.co.uk/300w.htm > With an aerial effenciency that low, I guess the heat dissipation in the >PA >OP stage will be tremendous. >Where is most of the heat dissipated ? >Though I don't know as yet what outputstages are used on LF, I guess this >will be in the tank/pi coil (?) and therefore I would welcome references to >information as to minimizing dissipation loss in coils ( or wherever else >the dissipation losses appear ). If you use one of the class D or other switching-mode TX designs, efficiency is often better than 90%, so the TX does not need to get very hot. All the RF power goes out of the TX output socket, provided the antenna is properly matched. A significant amount is dissipated in the matching network - see Rik's remarks - so a big loading coil with high Q (or at least big enough to dissipate the power without melting!) is needed. Most of the power actually reaching the antenna is probably dissipated in the ground (or in the sea), so we don't have to worry about it too much! > If advantageously, onboard I could build a very big multiturn loop aerial. >Does big multiturn LF loop aerials have an advantage over straight wire >aerials ? Loops have their adherents, but I expect the advantage for a ship antenna would be with top-loaded verticals. For a lot of antenna info, see Rik's pages at: http://www.qsl.net/on7yd/136ant.htm > Is the maximum E(I?)RP still restricted to 1 W ? >Is this restriction applicable to /MM offshore as well ( say midway on the >North Sea between G and PA )? ERP (in the UK it is ERP with respect to a dipole) is still 1W max - I suspect it would still be the same for /MM. But usually it is quite difficult to get even 1W ERP. With 1.2kW and 40m long, 10m high inv L, I get around 0.4W ERP - to get 1W, I have to increase the height of the antenna with a temporary extra mast. But things might be easier on the high seas... >Does seagain ( if any at all ? ) and etc... add substantially to LF >performance ? I think the concept of "sea gain" at VHF really only applies when the separation between the antenna and the sea is large compared to a wavelength. At LF, your ship would need a very big mast for this to be true! But having sea water for an antenna ground plane should substantially reduce antenna losses, and also propagation losses, so in that sense, there could be a large "sea gain" at LF compared to the same antenna used on land. Cheers, Jim Moritz 73 de M0BMU From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 93971 invoked from network); 14 Jan 2004 14:56:36 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 14 Jan 2004 14:56:36 -0000 Received: (qmail 73679 invoked from network); 14 Jan 2004 14:56:36 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 14 Jan 2004 14:56:29 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AgmRZ-000Iog-Bh for dave@picks.force9.co.uk; Wed, 14 Jan 2004 14:56:29 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AgmRD-0005N1-AE for rs_out@blacksheep.org; Wed, 14 Jan 2004 14:56:07 +0000 Received: from [147.197.200.9] (helo=hestia.herts.ac.uk) by post.thorcom.com with esmtp (Exim 4.14) id 1AgmR8-0005Ms-ND for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 14:56:02 +0000 X-Fake-Domain: gemini Received: from gemini ([147.197.200.44] helo=gemini.herts.ac.uk) by hestia.herts.ac.uk with esmtp (Exim 3.22 #1) id 1AgmPV-0005Zi-00 for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 14:54:21 +0000 X-No-DNS-For: 147.197.232.252 Received: from [147.197.232.252] (helo=rsch15) by gemini.herts.ac.uk with esmtp (Exim 3.33 #1) id 1AgmPR-0003MZ-00 for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 14:54:17 +0000 From: "James Moritz" To: rsgb_lf_group@blacksheep.org Date: Wed, 14 Jan 2004 14:54:17 -0000 Organization: University of Hertfordshire X-Bad-Message-ID: no DNS (rsch15) Message-ID: <000001c3daae$48c8cdf0$fce8c593@rsch15> MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.2627 Importance: Normal In-reply-to: <001901c3daa4$8afc2d20$f89a8418@Peter> X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-UH-MailScanner: No Virus detected Subject: LF: RE: lf and noise and offshore. Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Dear Dick, Peter, LF Group, I am currently running 1200W at 136kHz into about 50m of wire antenna in a residential area and, like the others, I do not experience significant problems with QRM to domestic equipment caused by the LF signal. The exception to this is when corona breakdown of the antenna is occurring, when I get "hiss" and crackling sounds on FM broadcast, and "snow" on UHF TV reception - it gives quite a useful warning! The main problem most LF amateurs have is the other way round - QRM to LF reception caused by noisy domestic electrical equipment, which varies from mild annoyance to making reception of amateur signals completely impossible. The noise propagates long distances down the mains wiring. I have to use loop antennas at the far end of my garden to get away from the noise produced by the mains wiring in the neighbourhood. I bet it would be much better on a ship... PE1ECM wrote: >Does it make sense when I try to start LF from my ship /MM ( steel >fishermen cutter ) instead of from my condo ? >Does sea again ( if any at all ? ) and low man made en evironment noise >add >substantially to the LF performance ? >( Besides, on my vessel I could erect bigger aerials than at the home QTH >). >Where could I find explanations on (possible ) sea gain on LF ? >Where could I find information on the ( LF ) noise levels offshore ? I don't remember anyone operating /MM on LF before. There seems to be almost no info around about LF marine operation - people seem to have stopped doing that after WW2. It would certainly be interesting to try it. Most of the losses in LF antennas is due in one way or another to the ground and objects surrounding the antenna. This leads to very low antenna efficiency (usually <0.1%) for most amateur antennas. Since the ground is salt water and the structure of the ship is metal, losses should be much lower for a ship antenna than land-based amateur LF stations. It would be very interesting to find out if this is really true. As far as received QRM goes, it only takes one little noisy electronic device to spoil LF reception - but, unlike the normal situation, since all such equipment would be part of the ship and under your control, so it should be possible for you to switch off/filter/replace any noise sources that you find on board. Once you had done that, a ship that is some distance offshore should be an ideal LF receiving site. Cheers, Jim Moritz 73 de M0BMU From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 95400 invoked from network); 12 Jan 2004 02:19:43 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 12 Jan 2004 02:19:43 -0000 Received: (qmail 16162 invoked from network); 12 Jan 2004 02:19:43 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 12 Jan 2004 02:19:42 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Afrg6-00045i-9l for dave@picks.force9.co.uk; Mon, 12 Jan 2004 02:19:42 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AfrfZ-0002lT-KV for rs_out@blacksheep.org; Mon, 12 Jan 2004 02:19:09 +0000 Received: from [194.73.73.93] (helo=rhenium.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AfrfY-0002lK-K1 for rsgb_lf_group@blacksheep.org; Mon, 12 Jan 2004 02:19:08 +0000 Received: from [213.122.188.228] (helo=rogersservices) by rhenium.btinternet.com with esmtp (Exim 3.22 #25) id 1AfrfW-0002HV-00 for rsgb_lf_group@blacksheep.org; Mon, 12 Jan 2004 02:19:07 +0000 X-Bad-Message-ID: no DNS (rogersservices) Message-ID: <003101c3d8b1$f0de0900$e4bc7ad5@rogersservices> From: "James Moritz" To: rsgb_lf_group@blacksheep.org References: <1d7.17e682e8.2d326c53@aol.com> Date: Mon, 12 Jan 2004 02:15:24 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: 3C90 Al value? Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_20_30,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
Dear David, LF Group,
 
My experience is that for toroids, low-level measurement of AL is fairly reliable, allthough it does have quite a large tolerance. As far as I can see, according to the Ferroxcube data, the 58mm dia cores are the TL 58/41/18 core size - Assuming this is the correct core size, the web site gives AL for these in 3C90 material as 2890nH/t +/-25%, so 3249nH/t is quite feasible. The 3C11 material in the same core size has AL =  5400nH/t +/-25%, which is not consistent with your measurement. But the colour code for 3C90 is given as "ultramarine/white", while 3C11 is just plain white, so it looks like they forgot the blue paint.
 
The permeability of ferrites does change greatly with applied H, temperature, f, etc, but for an inductance measurement at room temp with small signals at low frequency (eg. with an audio bridge or similar), this is usually not a significant issue, especially with large core sizes. 3C90 has a nominal initial permeability of 2300, against 2000 for 3C85, so winding inductances will be similar for both materials. 3C90 should have slightly lower loss. The 3C11 material has higher core losses, and a much lower curie temperature than 3C90, so would not be very suitable for a PA.
----- Original Message -----
Sent: Sunday, January 11, 2004 9:07 AM
Subject: LF: 3C90 Al value?

Hello Group.

After a 4 month wait I've received a batch of 58mm cores claiming to be 3C90, but according to the catalogue they have the wrong colour code. These are white (pos 3C11) not blue/white for 3C90.

The way to confirm is to calculate the Al value and compare to the data on 3C90 3C85 3C11 etc materials. Unfortunately 3C90 is not listed in my old data book.

I've measured the inductance of a 21 turn winding at 1.43mH.
Using  L = Al x N squared, this suggests an Al value of 3249.

Is this a good figure for 3C90?  It does seem far too low for 3C11 (5000+)
Perhaps they've changed the colour code again?

73

David    G0MRF
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 91286 invoked from network); 9 Jan 2004 18:02:24 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 9 Jan 2004 18:02:24 -0000 Received: (qmail 56340 invoked from network); 9 Jan 2004 18:02:23 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 9 Jan 2004 18:02:16 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Af0xc-000ETf-El for dave@picks.force9.co.uk; Fri, 09 Jan 2004 18:02:16 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Af0wX-0004JU-LX for rs_out@blacksheep.org; Fri, 09 Jan 2004 18:01:09 +0000 Received: from [147.197.200.9] (helo=hestia.herts.ac.uk) by post.thorcom.com with esmtp (Exim 4.14) id 1Af0wU-0004JL-DJ for rsgb_lf_group@blacksheep.org; Fri, 09 Jan 2004 18:01:06 +0000 X-Fake-Domain: gemini Received: from gemini ([147.197.200.44] helo=gemini.herts.ac.uk) by hestia.herts.ac.uk with esmtp (Exim 3.22 #1) id 1Af0w5-0000TP-00 for rsgb_lf_group@blacksheep.org; Fri, 09 Jan 2004 18:00:41 +0000 X-No-DNS-For: 147.197.232.252 Received: from [147.197.232.252] (helo=rsch15) by gemini.herts.ac.uk with esmtp (Exim 3.33 #1) id 1Af0w1-000106-00 for rsgb_lf_group@blacksheep.org; Fri, 09 Jan 2004 18:00:37 +0000 From: "James Moritz" To: rsgb_lf_group@blacksheep.org Date: Fri, 9 Jan 2004 18:00:37 -0000 Organization: University of Hertfordshire X-Bad-Message-ID: no DNS (rsch15) Message-ID: <000401c3d6da$7c2b8f70$fce8c593@rsch15> MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.2627 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 In-reply-to: <3FFEE5A3.5040802@usa.net> Importance: Normal X-UH-MailScanner: No Virus detected Subject: LF: RE: SDRadio Version 0.93 available Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Dear Alberto, LF Group, Looking at sound cards, I see that external USB modules claiming rather good specifications seem to be coming available quite cheaply. Is it possible to use these USB soundcards with SDRadio and the other DSP programs? Having the sound card in a module external from the PC is attractive because it should be easier to isolate the audio input from the generally noisy things going on inside the PC case - I find that electrical noise from the PC seems to be the limiting factor on SNR with the sound card I use at the moment. Cheers, Jim Moritz 73 de M0BMU From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 62579 invoked from network); 6 Jan 2004 23:58:09 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 6 Jan 2004 23:58:09 -0000 Received: (qmail 63680 invoked from network); 6 Jan 2004 23:58:09 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 6 Jan 2004 23:58:07 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Ae15L-000GNg-Ow for dave@picks.force9.co.uk; Tue, 06 Jan 2004 23:58:07 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ae150-0004OY-0Z for rs_out@blacksheep.org; Tue, 06 Jan 2004 23:57:46 +0000 Received: from [194.73.73.147] (helo=einsteinium.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Ae14z-0004OP-Hn for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2004 23:57:45 +0000 Received: from [213.122.170.177] (helo=rogersservices) by einsteinium.btinternet.com with esmtp (Exim 3.22 #25) id 1Ae14y-0004FY-00 for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2004 23:57:45 +0000 X-Bad-Message-ID: no DNS (rogersservices) Message-ID: <005901c3d4b0$5ea65ec0$b1aa7ad5@rogersservices> From: "James Moritz" To: rsgb_lf_group@blacksheep.org References: <3FFABF62.CF749613@att.net> <011f01c3d48b$01167ee0$6ec428c3@captbrian> Date: Tue, 6 Jan 2004 23:54:04 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Re: TA report 2004.01.06 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 ----- Original Message ----- From: captbrian To: Sent: Tuesday, January 06, 2004 7:18 PM Subject: LF: Re: TA report 2004.01.06 > Are there any CW beacons to listen for [ as opposed to looking for at qrss] > Dear Bryan, LF Group, The only transatlantic signal that is readily audible is CFH, the RTTY-like signal on 137.0k originating from Nova Scotia. This varies from inaudible to S9+ depending on propagation. Unfortunately, amateur signals with ERP about 40 - 50dB down on CFH are rarely likely to be audible - I don't think anyone has ever positively heard any of the transatlantic amateur signals, allthough several of us were of the opinion that VE1ZZ was "nearly" audible occasionally when he was active some time ago. Even then, he probably had substantially more ERP than any of the North American beacons operating recently. Cheers, Jim Moritz 73 de M0BMU From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 70387 invoked from network); 6 Jan 2004 23:23:31 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 6 Jan 2004 23:23:31 -0000 Received: (qmail 92585 invoked from network); 6 Jan 2004 23:23:30 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 6 Jan 2004 23:23:29 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Ae0Xp-000NxD-Fr for dave@picks.force9.co.uk; Tue, 06 Jan 2004 23:23:29 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ae0XH-0003mi-Vb for rs_out@blacksheep.org; Tue, 06 Jan 2004 23:22:55 +0000 Received: from [194.73.73.111] (helo=gadolinium.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Ae0XH-0003mZ-En for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2004 23:22:55 +0000 Received: from [213.122.170.177] (helo=rogersservices) by gadolinium.btinternet.com with esmtp (Exim 3.22 #25) id 1Ae0XG-0004iX-00 for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2004 23:22:54 +0000 X-Bad-Message-ID: no DNS (rogersservices) Message-ID: <004501c3d4ab$8081eb40$b1aa7ad5@rogersservices> From: "James Moritz" To: rsgb_lf_group@blacksheep.org References: Date: Tue, 6 Jan 2004 23:18:28 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Closedown Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Dear Laurence, LF Group, I monitored around 137.77x kHz last night, as I have been doing most nights for the past few months, but afraid still no positive signs of WD2XDW. Anyway, good luck with the move of QTH, and hope to try again once you get established in W5. The only visible transatlantic signal last night was VO1NA, at around 0100utc last night, ending with a "K". Joe's signal has not been as strong in the last few days as it was earlier in December, which is surprising considering the generally improving conditions lately. Usually I am seeing the best sigs from VO1NA between about 0700 and 0800, i.e. just before dawn here. There is usually an abrupt drop of several dB in the noise level just before 0700, as if sunrise over eastern Europe is cutting off some LF noise source there. Cheers, Jim Moritz 73 de M0BMU From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 43718 invoked from network); 5 Jan 2004 17:46:43 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 5 Jan 2004 17:46:43 -0000 Received: (qmail 26850 invoked from network); 5 Jan 2004 17:46:43 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 5 Jan 2004 17:46:37 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AdYoG-0006rS-UX for dave@picks.force9.co.uk; Mon, 05 Jan 2004 17:46:37 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdYnp-0001Md-Gl for rs_out@blacksheep.org; Mon, 05 Jan 2004 17:46:09 +0000 Received: from [147.197.200.9] (helo=hestia.herts.ac.uk) by post.thorcom.com with esmtp (Exim 4.14) id 1AdYnn-0001MU-UM for rsgb_lf_group@blacksheep.org; Mon, 05 Jan 2004 17:46:08 +0000 X-Fake-Domain: gemini Received: from gemini ([147.197.200.44] helo=gemini.herts.ac.uk) by hestia.herts.ac.uk with esmtp (Exim 3.22 #1) id 1AdYnQ-0001DY-00 for rsgb_lf_group@blacksheep.org; Mon, 05 Jan 2004 17:45:44 +0000 X-No-DNS-For: 147.197.232.252 Received: from [147.197.232.252] (helo=rsch15) by gemini.herts.ac.uk with esmtp (Exim 3.33 #1) id 1AdYnP-0007H7-00 for rsgb_lf_group@blacksheep.org; Mon, 05 Jan 2004 17:45:43 +0000 From: "James Moritz" To: rsgb_lf_group@blacksheep.org Date: Mon, 5 Jan 2004 17:45:45 -0000 Organization: University of Hertfordshire X-Bad-Message-ID: no DNS (rsch15) Message-ID: <000001c3d3b3$bee87d20$fce8c593@rsch15> MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.2627 Importance: Normal In-reply-to: <000201c3d2f3$c4fb5f40$61e4fc3e@l8p8y6> X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-UH-MailScanner: No Virus detected Subject: RE: LF: Re: "T" versus "L"aerial Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.6 required=5.0 tests=HTML_40_50,HTML_FONTCOLOR_UNKNOWN,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit

Dear Gary, LF Group,

 

Looking at your diagram, I would avoid having a downlead near the central mast for two reasons; firstly, unless the mast is well insulated from ground, the capacitance between the metal part of the mast and the uplead  will result in a significant proportion of the current going “up” the uplead flowing back “down” the mast, resulting in partial cancellation of the radiated signal. This implies a larger antenna current at the feed point required to obtain the same radiated signal, increasing the losses in the loading coil and other conductors. If you do go for this arrangement, make sure the mast has a low-resistance direct connection to the ground point of the antenna feed, in order to minimise the losses caused by these circulating currents. Secondly, there will be a high voltage stress between the uplead (carrying the full antenna voltage)  and the mast (more or less at ground potential), increasing the likelihood of problems with corona.

 

I think the optimum arrangement would be to put the loading coil on the garage roof (but spaced from it, especially if made of corrugated iron or other lossy materials), close to the sloping end of the wires, to which it could then be connected with a short downlead. This minimises the amount of high voltage conductors close to ground level, which have minimal contribution to the radiated signal, but do lead to increased loss. The fibreglass top section of the mast will maintain good separation and insulation between the main mast and the antenna wires – when using a fibreglass pole in a similar way to support my antenna, I found it was necessary to add a corona ring around the fibreglass tube to prevent burning where the wire joined the mast. As far as the arrangement of the top loading wires goes, the main objective is to maximise the effective height of the antenna. If the antenna was a simple vertical 14m high, the effective height would be 7m. Adding loading wires above the 7m level will lead to an increased effective height, whilst adding wire below the 7m level will reduce the effective height compared to the simple vertical. I’m not sure if there is any one “optimum” configuration – it would depend on all the geometrical restrictions in the particular situation – but as a general rule, for an antenna with a single mast like this it would certainly seem sensible to maximise the amount of wire above ˝ the mast height, and eliminate as much as possible below that. This would also keep the high voltage wires well clear of the aluminium supporting poles. However, some compromise may be required here, since trimming the loading wires too much would reduce the overall capacitance to the point that it is difficult to make a big enough loading coil to resonate the antenna that does not have excessively high losses.

 

Cheers, Jim Moritz

73 de M0BMU

 

 

From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 77793 invoked from network); 1 Jan 2004 13:56:54 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 1 Jan 2004 13:56:54 -0000 Received: (qmail 55443 invoked from network); 1 Jan 2004 13:56:54 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 1 Jan 2004 13:56:53 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Ac3Jl-000EJg-8Z for dave@picks.force9.co.uk; Thu, 01 Jan 2004 13:56:53 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ac3JJ-0004xN-S0 for rs_out@blacksheep.org; Thu, 01 Jan 2004 13:56:25 +0000 Received: from [194.73.73.176] (helo=protactinium.btinternet.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Ac3JI-0004xE-V4 for rsgb_lf_group@blacksheep.org; Thu, 01 Jan 2004 13:56:25 +0000 Received: from [213.122.64.74] (helo=rogersservices) by protactinium.btinternet.com with esmtp (Exim 3.22 #25) id 1Ac3JH-0000ae-00 for rsgb_lf_group@blacksheep.org; Thu, 01 Jan 2004 13:56:24 +0000 X-Bad-Message-ID: no DNS (rogersservices) Message-ID: <000d01c3d06e$8aa2a240$4a407ad5@rogersservices> From: "James Moritz" To: rsgb_lf_group@blacksheep.org References: Date: Thu, 1 Jan 2004 13:52:36 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: insulators / L vs T Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Dear LF Group, I had quite a lot of problems with insulators on my LF antenna (basically a 40m long x 10m high inverted L with a single top wire). When I increased TX power from about 350W to 1200W, the antenna voltage increased from very roughly 10kV to 20kV. This led to corona occuring at the ends and corners of the antenna wire, which tended to melt or set fire to the plastic insulators. This was solved by attaching corona rings about 100mm dia. made from stiff wire to each of the affected points to reduce the field gradient. At this point, I started to get corona problems with the straight parts of the antenna wire itself, which were cured by using thicker wire. For the downlead part of the antenna, I switched to ceramic insulators, since these are not flammable, allthough in themselves they would not be a cure for the corona, since the discharge would eventually erode or crack the insulator as well as wasting TX power. I retained the plastic insulators for the top section of the antenna, since they are lighter and cause less sag in the top wire, and seem to be OK with the corona rings; also, the position they are in means they probably won't set fire to anything! I kept the distance between the supporting metal poles and the ends of the wire about 4 - 5 m; allthough this reduces the length of the wire, having the wire closer to the masts causes two problems - first, there is a very high potential gradient between the end of the wire and the grounded mast if the two are close together (this could be what caused PA0SE's rope to melt), and second, the capacitance between the wire and the mast is increased, which increases the RF current flowing "downwards" in the masts, reducing the effective height of the antenna. As far as insulator materials go, the plastic ones I used were the ribbed "dogbone" type about 100mm long, which came from WH Westlake for 75p. I think they are made of polypropylene. I think most plastic materials are pretty good insulators at 136kHz, provided they are not exposed to corona. People seem to have had problems using plastic tubes; perhaps this is because moisture can accumulate inside. I have used thick nylon monofilament with good results, provided precautions against corona were taken. I have not tried phenolic laminate - I know this does absorb moisture to some extent, allthough I don't know if this has an adverse effect on its insulating properties. I believe silicone rubber based insulators are becoming popular for HV power distribution, because this material is resistant to corona, and is water-repellant too, but I don't know where you would get it from. As far as the relative merits of L vs. T antennas go, It is true that a T configuration will have a shorter path for the ground currents to flow along, and therefore reduce resistance due to this cause. Ground resistance is accepted to be the major source of loss in large commercial LF antennas, so a top load arranged about a central feed point should reduce the loss for this type of antenna. But previous discussions on this reflector have shown that the actual resistance of the ground path is only a minor contribution to the total loss resistance of much smaller amateur antennas - most of the loss in small antennas seems to be due to dielectric losses in the ground due to the high voltage gradient under the antenna. So it should be possible to reduce the losses by extending the top load, as G3AQC found out experimentally some time ago. The length of the ground path will be less significant than the area over which the electric flux of the antenna is distributed, so the size of the top load will be more important than the position of the feed point for amateur antennas (Except perhaps if you have a G3KEV-sized antenna!) A happy new year to all those on the reflector, Cheers, Jim Moritz 73 de M0BMU From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 12269 invoked from network); 23 Jan 2004 15:36:19 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 23 Jan 2004 15:36:19 -0000 Received: (qmail 27955 invoked from network); 23 Jan 2004 15:36:18 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 23 Jan 2004 15:36:16 -0000 X-Priority: 3 X-MSMail-Priority: Normal Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Ak3M0-00075e-NE for dave@picks.force9.co.uk; Fri, 23 Jan 2004 15:36:16 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ak3LJ-0006fG-1E for rs_out@blacksheep.org; Fri, 23 Jan 2004 15:35:33 +0000 Received: from [193.212.240.200] (helo=virus-out-st.online.no) by post.thorcom.com with esmtp (Exim 4.14) id 1Ak3LI-0006ey-7I for rsgb_lf_group@blacksheep.org; Fri, 23 Jan 2004 15:35:32 +0000 X-Fake-Domain: tns-fbu-22-209.corp.telenor.no Received: from tns-fbu-22-209.corp.telenor.no ([134.47.162.190] [134.47.162.190]) by scan.telenor.net with ESMTP for rsgb_lf_group@blacksheep.org; Fri, 23 Jan 2004 16:34:50 +0100 X-Fake-Domain: tns-fbu-22-212.corp.telenor.no Received: from tns-fbu-22-212.corp.telenor.no ([134.47.162.91]) by tns-fbu-22-209.corp.telenor.no with Microsoft SMTPSVC(5.0.2195.5329); Fri, 23 Jan 2004 16:34:49 +0100 X-Fake-Domain: TNS-FBU-2E-003.corp.telenor.no Received: from TNS-FBU-2E-003.corp.telenor.no ([134.47.164.201]) by tns-fbu-22-212.corp.telenor.no with Microsoft SMTPSVC(5.0.2195.5329); Fri, 23 Jan 2004 16:34:49 +0100 content-class: urn:content-classes:message X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Date: Fri, 23 Jan 2004 16:34:49 +0100 X-Bad-Message-ID: no DNS (TNS-FBU-2E-003.corp.telenor.no) Message-ID: <2D280BB697C7EE4C979C5C89925418EF0181DCA6@TNS-FBU-2E-003.corp.telenor.no> Thread-Topic: new here..little introduction Thread-Index: AcPaJt5C6/fdzYpUQ+qCbaBV5pBBXQHn0t7g From: jan-martin.noding@telenor.com To: rsgb_lf_group@blacksheep.org X-OriginalArrivalTime: 23 Jan 2004 15:34:49.0748 (UTC) FILETIME=[7020D540:01C3E1C6] MIME-Version: 1.0 Subject: LF: RE: new here..little introduction Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.3 required=5.0 tests=NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 And you are probably the unknown I've pictured on my site, from DK0MW at Weidsiedlung ??? 73's LA8AK --- J M Nřding, Datakvalitet, TTS, Kristiansand Telefon 0047-380-52660, 9077-7126 (QTH: 0047-380-87178) -----Original Message----- From: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org]On Behalf Of Dick Sent: 13. januar 2004 23:32 To: rsgb_lf_group@blacksheep.org Subject: LF: new here..little introduction Hello all, I am rather new on this list, and will give a brief introduction. Living in the eastern part of The Netherlands, and being involoved in radio for over 25 years now. Licensed since 1989, first as PA3FJY but changed this a few years ago to PA4VHF. As the suffix suggests I was mostly active on 144MHz DX (EME, MS) contest etc. Also did a lot of listening mainly on 160m CW in the past. Since my move to another house my transmission activety has been very low, and I mainly listened a lot from my remote beverage location. (no mainspower-220V there, so all by battery) However, like so many others, when one gets the 'radiovirus', one will never loose it. In the past year I came across the NDB-beacon band (200-500kHz) , and had great fun listening there. Distances amazed me more then once. Well, from there it's just a little jump down to 136kHz................. Meanwhile I have serious plans to become QRV on 136kHz the coming year. A lot of information, and some materials as well, have been collected. (like 31.5cm diameter PVC-pipe for the loading coils) I hope to start with the first preparations soon. One of the problems to overcome, is to find a QTH where I have mainspower to feed the PA............. I have no idea what happens when one feeds 400W into an toploaded vertical á la EI0CF in the center of town........................ (a lot of houses within the range of the antenna, some less then 15m away...) Sofar I haven't seen any reports of interference caused by 136kHz stations to consumers electronic devices. Wonder how serious is the possibility of interfering in audio-equipement in the neighbourhood?? As soon as I am ready to transmit I'll let it know here right away. At least my receiving capabilities on my beverage location are good. (AR7030plus, with audiofilters down to 20Hz narrow) Dick, PA4VHF (JO32eh) East-Netherlands. From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 45385 invoked from network); 20 Jan 2004 15:05:28 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 20 Jan 2004 15:05:28 -0000 Received: (qmail 37818 invoked from network); 20 Jan 2004 15:05:27 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 20 Jan 2004 15:05:24 -0000 X-Priority: 3 X-MSMail-Priority: Normal Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AixRT-0009i2-Ui for dave@picks.force9.co.uk; Tue, 20 Jan 2004 15:05:24 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AixRB-0006eT-3H for rs_out@blacksheep.org; Tue, 20 Jan 2004 15:05:05 +0000 Received: from [193.212.240.200] (helo=scan.telenor.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AixRA-0006eC-CY for rsgb_lf_group@blacksheep.org; Tue, 20 Jan 2004 15:05:04 +0000 X-Fake-Domain: tns-fbu-22-208.corp.telenor.no Received: from tns-fbu-22-208.corp.telenor.no ([134.47.162.90] [134.47.162.90]) by scan.telenor.net with ESMTP for rsgb_lf_group@blacksheep.org; Tue, 20 Jan 2004 16:04:32 +0100 X-Fake-Domain: tns-fbu-22-213.corp.telenor.no Received: from tns-fbu-22-213.corp.telenor.no ([134.47.162.191]) by tns-fbu-22-208.corp.telenor.no with Microsoft SMTPSVC(5.0.2195.5329); Tue, 20 Jan 2004 16:04:32 +0100 X-Fake-Domain: TNS-FBU-2E-003.corp.telenor.no Received: from TNS-FBU-2E-003.corp.telenor.no ([134.47.164.101]) by tns-fbu-22-213.corp.telenor.no with Microsoft SMTPSVC(5.0.2195.5329); Tue, 20 Jan 2004 16:04:32 +0100 content-class: urn:content-classes:message X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Date: Tue, 20 Jan 2004 16:04:31 +0100 X-Bad-Message-ID: no DNS (TNS-FBU-2E-003.corp.telenor.no) Message-ID: <2D280BB697C7EE4C979C5C89925418EF0181DC9F@TNS-FBU-2E-003.corp.telenor.no> Thread-Topic: LF: Where to get TC44... and MUR1660?? Thread-Index: AcPfZaNHYcBW2KGWRheS9G8iX3a+UgAAH2PQ From: jan-martin.noding@telenor.com To: rsgb_lf_group@blacksheep.org X-OriginalArrivalTime: 20 Jan 2004 15:04:32.0200 (UTC) FILETIME=[B58BC480:01C3DF66] MIME-Version: 1.0 Subject: Re: Re: LF: Where to get TC44... and MUR1660?? Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.3 required=5.0 tests=HTML_30_40,HTML_FONTCOLOR_BLUE,HTML_FONT_BIG,HTML_MESSAGE,NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
Well, not quite so, I could do such things before because I work for Norwegian Telecomm and the companies knew that I was a potential customer for buying items for work, it doesn't apply for anybody else, but it is true that many are not aware of the possibilities they have as design engineers in a factory
 
73, Jan-Martin

---
J M Nöding, LA8AK
Telefon QRL  0047-380-52660, 9077-7126 (QTH: 0047-380-87178)

-----Original Message-----
From: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org]On Behalf Of Rik

Not correct (at least not in Belgium & Netherlands)
At QRL I order Farnell components just because they have no minimum order and no package/transport costs.
Once I had to repair equipment and ordered 1 single transistor that costs 0.1 Euro. It was delived next day at no extra cost.

73, Rik  ON7YD

Farnell sells minimum 100 pieces TC4426.

From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 17125 invoked from network); 6 Jan 2004 11:54:17 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 6 Jan 2004 11:54:17 -0000 Received: (qmail 68438 invoked from network); 6 Jan 2004 11:54:17 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 6 Jan 2004 11:54:15 -0000 X-Priority: 3 X-MSMail-Priority: Normal Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Adpmp-000Hgc-NI for dave@picks.force9.co.uk; Tue, 06 Jan 2004 11:54:15 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdpmL-0001GB-7F for rs_out@blacksheep.org; Tue, 06 Jan 2004 11:53:45 +0000 Received: from [193.212.240.200] (helo=virus-out-st.online.no) by post.thorcom.com with esmtp (Exim 4.14) id 1AdpmK-0001F7-EC for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2004 11:53:44 +0000 X-Fake-Domain: tns-fbu-22-208.corp.telenor.no Received: from tns-fbu-22-208.corp.telenor.no ([134.47.162.90] [134.47.162.90]) by virus-in.online.no with ESMTP for rsgb_lf_group@blacksheep.org; Tue, 6 Jan 2004 12:52:10 +0100 X-Fake-Domain: tns-fbu-22-213.corp.telenor.no Received: from tns-fbu-22-213.corp.telenor.no ([134.47.162.191]) by tns-fbu-22-208.corp.telenor.no with Microsoft SMTPSVC(5.0.2195.5329); Tue, 6 Jan 2004 12:52:10 +0100 X-Fake-Domain: TNS-FBU-2E-003.corp.telenor.no Received: from TNS-FBU-2E-003.corp.telenor.no ([134.47.164.201]) by tns-fbu-22-213.corp.telenor.no with Microsoft SMTPSVC(5.0.2195.5329); Tue, 6 Jan 2004 12:52:10 +0100 content-class: urn:content-classes:message X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Date: Tue, 6 Jan 2004 12:52:09 +0100 X-Bad-Message-ID: no DNS (TNS-FBU-2E-003.corp.telenor.no) Message-ID: <2D280BB697C7EE4C979C5C89925418EF0181DC5E@TNS-FBU-2E-003.corp.telenor.no> Thread-Topic: LD 30 Thread-Index: AcPPuDfksuRlz72STYyICxzQrsxKzwEkpQeA From: jan-martin.noding@telenor.com To: rsgb_lf_group@blacksheep.org X-OriginalArrivalTime: 06 Jan 2004 11:52:10.0148 (UTC) FILETIME=[8429E640:01C3D44B] MIME-Version: 1.0 Subject: LF: RE: LD 30 Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.3 required=5.0 tests=HTML_30_40,HTML_FONTCOLOR_BLUE,HTML_FONT_BIG,HTML_MESSAGE,NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
Hi
Being not sure if I've seen the instrument (at LA7CC), but believe it is no usual selective filters.
The VFO type usually seems to consist of two units where the frequency is from a mixer, so you might find at least one oscillator at much higher frequency than the range. At least you might have a very bandspread VFO to use in the sort of receiver that PAoSE uses
 
73
Jan-Martin LA8AK

---
J M Nřding, Datakvalitet, TTS, Kristiansand
 -----Original Message-----
From: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org]On Behalf Of hamilton mal
Sent: 31. desember 2003 15:11
To: rsgb_lf_group@blacksheep.org
Subject: LF: LD 30

Hi All
I have a mint W & G LD-30 group delay and attenuation measuring set. For those that do not know this equipment, it has a Sender and Receiver and covers 200 hz - 20 khz and apart from its design use it looks like it would make a nice sensitive LF rx. The range could be extended by external converters to cover 136 khz etc.
I do not have any manuals.
Does anyone have tech info for this machine or any ideas.
73 de Mal/G3KEV
 
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 6237 invoked from network); 30 Jan 2004 16:38:06 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 30 Jan 2004 16:38:06 -0000 Received: (qmail 85624 invoked from network); 30 Jan 2004 16:38:06 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 30 Jan 2004 16:38:02 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim 4.30; FreeBSD) id 1Ambec-000Let-Eo for dave@picks.force9.co.uk; Fri, 30 Jan 2004 16:38:02 +0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AmbdU-0002kB-CO for rs_out@blacksheep.org; Fri, 30 Jan 2004 16:36:52 +0000 Received: from [194.25.134.18] (helo=mailout04.sul.t-online.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AmbdT-0002k2-Ix for rsgb_lf_group@blacksheep.org; Fri, 30 Jan 2004 16:36:51 +0000 X-Fake-Domain: fwd03.aul.t-online.de Received: from fwd03.aul.t-online.de by mailout04.sul.t-online.com with smtp id 1AmbdS-0003X2-03; Fri, 30 Jan 2004 17:36:50 +0100 X-Fake-Domain: (Gz77z8Z-Ze1UDHwW8vG9TOkqFY1lAra1k3Wjsi4fr0X7X5BN0S9w8m@[62.224.51.7]) Received: from (Gz77z8Z-Ze1UDHwW8vG9TOkqFY1lAra1k3Wjsi4fr0X7X5BN0S9w8m@[62.224.51.7]) by fwd03.sul.t-online.com with smtp id 1AmbdJ-1Oy81Y0; Fri, 30 Jan 2004 17:36:41 +0100 From: "jannsen" <0482183881-0001@t-online.de> To: rsgb_lf_group@blacksheep.org References: <6.0.1.1.2.20040129133740.036bcc40@POP3.freeler.nl> <6.0.1.1.2.20040130133028.02f11dc0@POP3.freeler.nl> X-Mailer: T-Online eMail 2.34 MIME-Version: 1.0 Date: Fri, 30 Jan 2004 17:36:41 +0100 Message-ID: <1AmbdJ-1Oy81Y0@fwd03.sul.t-online.com> X-Seen: false X-ID: Gz77z8Z-Ze1UDHwW8vG9TOkqFY1lAra1k3Wjsi4fr0X7X5BN0S9w8m Subject: Re: LF: Beaconing by PA0SE Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.4 required=5.0 tests=FROM_ENDS_IN_NUMS,FROM_STARTS_WITH_NUMS autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Dick Rollema schrieb: > To All from PA0SE > > Joe, VO1NA wrote: > > >PA0SE was detected around 2300 and was full O copy > >at 0200. > > Joe also sent me a screenshot directly : > 3fcd959.jpg > > > Screenshots were also received from M0BMU, G3AQC, EA1PX and CT1DRP, all > showing excellent copy of my 140mW EMRP signal. EA1PX reported he even > could hear me! > Many thanks to all who responded! > > I have been trying to copy VO1NA's signal during several nights. Though > there were traces of his signal at the beginning of the night and also > around dawn, none were good enough for a QSO. > > I cannot use ARGO because it requires a sampling rate of 5512kHz and that > is not supported by the soundcard, as I found out with I2BHD's help (tnx > again Alberto). > I therefore use SPECTRAN at a sampling rate of 8000kHz and a bandwidth of > 0.031Hz. > But I don't think that explains the poor copy. I think the local noise > level is too high. The level fluctuates somewhat with time and it was > during a low that I could detect, but not read, Joe's signal. > > Perhaps when better propagation is present I will succeed in making a > two-way with Joe. > > I hope Alan will tell us when that is the case. > > In he meantime congratulations to those accomplished a QSO with Joe. > > 73, Dick, PA0SE > > Hi Dick, so you did not rcv my screenshot (.bmp 1,2MB) ? regards Uwe/dj8wx From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 68556 invoked from network); 30 Jan 2004 16:38:01 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 30 Jan 2004 16:38:01 -0000 Received: (qmail 40804 invoked from network); 30 Jan 2004 16:38:01 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 30 Jan 2004 16:37:59 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AmbeZ-000ATp-Jz for dave@picks.force9.co.uk; Fri, 30 Jan 2004 16:37:59 +0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ambdm-0002ko-BZ for rs_out@blacksheep.org; Fri, 30 Jan 2004 16:37:10 +0000 Received: from [194.25.134.18] (helo=mailout04.sul.t-online.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Ambdl-0002kf-PF for rsgb_lf_group@blacksheep.org; Fri, 30 Jan 2004 16:37:10 +0000 X-Fake-Domain: fwd03.aul.t-online.de Received: from fwd03.aul.t-online.de by mailout04.sul.t-online.com with smtp id 1Ambdk-0003X2-01; Fri, 30 Jan 2004 17:37:08 +0100 X-Fake-Domain: (Gz77z8Z-Ze1UDHwW8vG9TOkqFY1lAra1k3Wjsi4fr0X7X5BN0S9w8m@[62.224.51.7]) Received: from (Gz77z8Z-Ze1UDHwW8vG9TOkqFY1lAra1k3Wjsi4fr0X7X5BN0S9w8m@[62.224.51.7]) by fwd03.sul.t-online.com with smtp id 1AmbdK-1Oy81Z0; Fri, 30 Jan 2004 17:36:42 +0100 From: "jannsen" <0482183881-0001@t-online.de> To: rsgb_lf_group@blacksheep.org References: <6.0.1.1.2.20040129133740.036bcc40@POP3.freeler.nl> X-Mailer: T-Online eMail 2.34 MIME-Version: 1.0 Date: Fri, 30 Jan 2004 17:36:42 +0100 Message-ID: <1AmbdK-1Oy81Z0@fwd03.sul.t-online.com> X-Seen: false X-ID: Gz77z8Z-Ze1UDHwW8vG9TOkqFY1lAra1k3Wjsi4fr0X7X5BN0S9w8m Subject: LF: Zobel Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.4 required=5.0 tests=FROM_ENDS_IN_NUMS,FROM_STARTS_WITH_NUMS autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Hi Dave/G3YXM and group, the Zobel Network 22 Ohm / 4,7nF in my G3YXM PA gets very hot if driving the PA in 1kW mode; much hotter than the toroid T2 (output transformer)gets. I changed the five Watt resistor with a 20 Watt, it gets hot too; with the cooling fan off the resistor desolders itself. I think that`s a good sign of the correct dimension: 22 Ohm / 4,7nF means the open reactive load (T2 and surroundings) oscillates at calculated 1,539MHz; measured 1,776MHz. But what a heavy loss! My question: Is there no other possibility eliminating the instability of that output system ? Regards Uwe / dj8wx From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 50050 invoked from network); 15 Jan 2004 18:30:09 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 15 Jan 2004 18:30:09 -0000 Received: (qmail 2101 invoked from network); 15 Jan 2004 18:30:09 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 15 Jan 2004 18:30:07 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AhCFr-0000Kp-A9 for dave@picks.force9.co.uk; Thu, 15 Jan 2004 18:30:07 +0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AhCFF-0008SE-8H for rs_out@blacksheep.org; Thu, 15 Jan 2004 18:29:29 +0000 Received: from [194.25.134.19] (helo=mailout06.sul.t-online.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AhCFE-0008S5-L0 for rsgb_lf_group@blacksheep.org; Thu, 15 Jan 2004 18:29:28 +0000 X-Fake-Domain: fwd06.aul.t-online.de Received: from fwd06.aul.t-online.de by mailout06.sul.t-online.com with smtp id 1AhCFB-0002aC-01; Thu, 15 Jan 2004 19:29:25 +0100 X-Fake-Domain: (GnWVPgZrgejgGFxX4+rBwwiqdNiv+vCBRfNF8hTxWZgznvQeBpywwW@[62.158.12.181]) Received: from (GnWVPgZrgejgGFxX4+rBwwiqdNiv+vCBRfNF8hTxWZgznvQeBpywwW@[62.158.12.181]) by fwd06.sul.t-online.com with smtp id 1AhCEv-12gtMY0; Thu, 15 Jan 2004 19:29:09 +0100 From: "jannsen" <0482183881-0001@t-online.de> To: rsgb_lf_group@blacksheep.org References: <000701c3db59$8790ec60$6507a8c0@Main> X-Mailer: T-Online eMail 2.34 MIME-Version: 1.0 Date: Thu, 15 Jan 2004 19:29:09 +0100 Message-ID: <1AhCEv-12gtMY0@fwd06.sul.t-online.com> X-Seen: false X-ID: GnWVPgZrgejgGFxX4+rBwwiqdNiv+vCBRfNF8hTxWZgznvQeBpywwW Subject: Re: LF: Propagation update Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.4 required=5.0 tests=FROM_ENDS_IN_NUMS,FROM_STARTS_WITH_NUMS autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Alan Melia schrieb: > Hi all, CFH was active again last night and to my relief showed quite good > levelsbetween 2400z and 0600z, peaking 39dBuV. The signal did not disappear > from my screen until about 1100z this morning. There was no deep fading but > a lot of shallow rapid fading so I believe the recovery is not yet complete. > However it looks as though there should be some good night-time conditions > for the activty this weekend. Although there was a low level (C-Class flare) > this morning NOAA SEC predicts a quiet few days. > > Good Luck > Cheers de Alan G3NYK > alan.melia@btinternet.com > > > Hi Alan, can you look up any past situations? I´m interested in the kind of condition at ca. 0500UT on 13.01.2004 when Joe/VO1NA received vy strong sigs from DJ8WX. best regards Uwe/dj8wx From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 15565 invoked from network); 13 Jan 2004 15:10:10 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 13 Jan 2004 15:10:10 -0000 Received: (qmail 1519 invoked from network); 13 Jan 2004 15:10:09 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 13 Jan 2004 15:10:06 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AgQBB-000Pqv-Ud for dave@picks.force9.co.uk; Tue, 13 Jan 2004 15:10:06 +0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AgQAq-0004jQ-89 for rs_out@blacksheep.org; Tue, 13 Jan 2004 15:09:44 +0000 Received: from [194.25.134.83] (helo=mailout07.sul.t-online.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AgQAp-0004jH-MS for rsgb_lf_group@blacksheep.org; Tue, 13 Jan 2004 15:09:43 +0000 X-Fake-Domain: fwd11.aul.t-online.de Received: from fwd11.aul.t-online.de by mailout07.sul.t-online.com with smtp id 1AgPdq-0001zC-02; Tue, 13 Jan 2004 15:35:38 +0100 X-Fake-Domain: (SgJfUgZTQeN0Nz-3eAIpIBrAcoNe+YvtZq7XYVkj9mS7zFVjw6MX0K@[62.224.51.213]) Received: from (SgJfUgZTQeN0Nz-3eAIpIBrAcoNe+YvtZq7XYVkj9mS7zFVjw6MX0K@[62.224.51.213]) by fwd11.sul.t-online.com with smtp id 1AgPdH-1ZJ71l0; Tue, 13 Jan 2004 15:35:03 +0100 From: "jannsen" <0482183881-0001@t-online.de> To: rsgb_lf_group@blacksheep.org References: X-Mailer: T-Online eMail 2.34 MIME-Version: 1.0 Date: Tue, 13 Jan 2004 15:35:03 +0100 Message-ID: <1AgPdH-1ZJ71l0@fwd11.sul.t-online.com> X-Seen: false X-ID: SgJfUgZTQeN0Nz-3eAIpIBrAcoNe+YvtZq7XYVkj9mS7zFVjw6MX0K Subject: Re: LF: RE: TA 13 Jan Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.4 required=5.0 tests=FROM_ENDS_IN_NUMS,FROM_STARTS_WITH_NUMS autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Gasparik Richard schrieb: > Hi Joe, > > I which mode/speed you received DJ8WX? > > Rich OM2TW > > -----Original Message----- > From: Joe Craig [mailto:jcraig@mun.ca] > Sent: Tuesday, January 13, 2004 12:28 PM > To: rsgb_lf_group@blacksheep.org > Subject: LF: TA 13 Jan > > > Just a trace of CT1DRP on 2fcw but very strong sigs from DJ8WX. > > Joe VO1NA > > > Hi Joe, hi Rich, the mode was QRSS 30s/dot. Joe, what time did you receive dj8wx ? best regards Uwe/dj8wx From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 27615 invoked from network); 11 Jan 2004 15:50:19 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 11 Jan 2004 15:50:19 -0000 Received: (qmail 39401 invoked from network); 11 Jan 2004 15:50:19 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 11 Jan 2004 15:50:17 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Afhqz-000A8R-KZ for dave@picks.force9.co.uk; Sun, 11 Jan 2004 15:50:17 +0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AfhqM-00007K-02 for rs_out@blacksheep.org; Sun, 11 Jan 2004 15:49:38 +0000 Received: from [194.25.134.84] (helo=mailout09.sul.t-online.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AfhqL-00007B-9f for rsgb_lf_group@blacksheep.org; Sun, 11 Jan 2004 15:49:37 +0000 X-Fake-Domain: fwd02.aul.t-online.de Received: from fwd02.aul.t-online.de by mailout09.sul.t-online.com with smtp id 1Afhop-0001zg-00; Sun, 11 Jan 2004 16:48:03 +0100 X-Fake-Domain: (VaiplaZpreui8YlKgkJcyFg7xB20Hj8+5kKcDjBjptOWjCDhb30tc1@[62.224.51.236]) Received: from (VaiplaZpreui8YlKgkJcyFg7xB20Hj8+5kKcDjBjptOWjCDhb30tc1@[62.224.51.236]) by fwd02.sul.t-online.com with smtp id 1AfhoZ-0nASBc0; Sun, 11 Jan 2004 16:47:47 +0100 From: "jannsen" <0482183881-0001@t-online.de> To: rsgb_lf_group@blacksheep.org References: <200401111221.i0BCLgQ13690@mailgate5.cinetic.de> X-Mailer: T-Online eMail 2.34 MIME-Version: 1.0 Date: Sun, 11 Jan 2004 16:47:47 +0100 Message-ID: <1AfhoZ-0nASBc0@fwd02.sul.t-online.com> X-Seen: false X-ID: VaiplaZpreui8YlKgkJcyFg7xB20Hj8+5kKcDjBjptOWjCDhb30tc1 Subject: Re: LF: 300W-TX-G0MRF Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.4 required=5.0 tests=FROM_ENDS_IN_NUMS,FROM_STARTS_WITH_NUMS autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Hans-Albrecht Haffa schrieb: > Dear Peter, > > I have had similar problems in constructing PAs. > > > First: One reason for the ringing might be the transistors. Put a capacitor > 2n7/ 3kV ceramic from > drain to source at each PA-transistor. This is likeliy if the pa is operated > with an quiescent current. > > sec.: If You dont have any quiescent current at all, than there is no damping > resistor at the transformer for the winding that is not driven . Any > winding of a transformer that carries no current will ring. This effect has > been never described in amateur radio . The only thing You can do against is > adding an quiescent current or using an topology where all windings carry > allways a current, that is only two windings, pri and sec. > > More upon request. > Hans-Albrecht Haffa > DK 8 ND > CBA, ++49-(0)7161 - 87847 > Hi Hans, the problem Peter has with the T2 of the G0MRF PA (here with four MOSFETs) I have had too. 1.no current in the quiescent state. 2.all windings carry current during transmission. 3.if I operate the PA in up to 200W mode there is no ringing (no vibration). 4.if I operate the PA in 600W mode there is no ringing in the first two minutes of operation. after two minutes the ringing begins accompanied with reduction of output power (permeability loss depending on temperature I guess). All problems have been solved by cooling the T2. btw. the output transformer of my other PA (up to 800W) consists of four toroids Philips RCC36.6/15.6-4C 65, Al3000, color grey. absolutely no ringing problems or losses when getting hot! best regards Uwe/dj8wx From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 83000 invoked from network); 7 Jan 2004 15:03:16 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 7 Jan 2004 15:03:16 -0000 Received: (qmail 73018 invoked from network); 7 Jan 2004 15:03:16 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 7 Jan 2004 15:03:12 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AeFDE-000IeD-If for dave@picks.force9.co.uk; Wed, 07 Jan 2004 15:03:12 +0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AeFCt-000171-KV for rs_out@blacksheep.org; Wed, 07 Jan 2004 15:02:51 +0000 Received: from [194.25.134.83] (helo=mailout07.sul.t-online.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AeFCs-00016s-UL for rsgb_lf_group@blacksheep.org; Wed, 07 Jan 2004 15:02:51 +0000 X-Fake-Domain: fwd00.aul.t-online.de Received: from fwd00.aul.t-online.de by mailout07.sul.t-online.com with smtp id 1AeFCs-00021m-05; Wed, 07 Jan 2004 16:02:50 +0100 X-Fake-Domain: (XjmjZoZEZesTaeCWrNwNaiJ4B42mV6dDfNdjXhqK21OLbvv3EN6fss@[62.224.51.142]) Received: from (XjmjZoZEZesTaeCWrNwNaiJ4B42mV6dDfNdjXhqK21OLbvv3EN6fss@[62.224.51.142]) by fwd00.sul.t-online.com with smtp id 1AeFCK-23M7NI0; Wed, 7 Jan 2004 16:02:16 +0100 From: "jannsen" <0482183881-0001@t-online.de> To: rsgb_lf_group@blacksheep.org References: <001401c3d487$504b2000$ee9bfea9@oben> X-Mailer: T-Online eMail 2.34 MIME-Version: 1.0 Date: Wed, 7 Jan 2004 16:02:16 +0100 Message-ID: <1AeFCK-23M7NI0@fwd00.sul.t-online.com> X-Seen: false X-ID: XjmjZoZEZesTaeCWrNwNaiJ4B42mV6dDfNdjXhqK21OLbvv3EN6fss Subject: Re: LF: 300W-TX-G0MRF Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.4 required=5.0 tests=FROM_ENDS_IN_NUMS,FROM_STARTS_WITH_NUMS autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 dj9dw schrieb: > Hello group, > as I can't get in contact with David, G0MRF, I want to spread out my problem > here. > The TX works fine except the outputtransformer T2. There is heavy ringing at > abt 1 MHz. Now I figured, the inductance seems to be abt 300uH from drain to > drain. That shure is far too much. > Could it be that David has changed the toroid - type to one with higher u so > that 10 turns primary has to be reduced? > Your help is very welcom, I am stuck. > > Regards, dj9dw, Peter. Hi Peter, pse see http://www.qsl.net/dj8wx/My%20second%20transmitter.htm if T2 is not pressed p.e. between two ceramic pieces it should be coold by a fan or else it vibrates on subharmonics of the transmitted QRG. btw. how did you find out a "ringing" at abt 1MHz ? best regards Uwe/dj8wx From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 96421 invoked from network); 3 Jan 2004 14:54:40 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 3 Jan 2004 14:54:40 -0000 Received: (qmail 78505 invoked from network); 3 Jan 2004 14:54:40 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 3 Jan 2004 14:54:39 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AcnAl-000KJO-8Y for dave@picks.force9.co.uk; Sat, 03 Jan 2004 14:54:39 +0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AcnAD-0005r0-Dv for rs_out@blacksheep.org; Sat, 03 Jan 2004 14:54:05 +0000 Received: from [194.25.134.20] (helo=mailout08.sul.t-online.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AcnAC-0005qr-Q3 for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 14:54:04 +0000 X-Fake-Domain: fwd09.aul.t-online.de Received: from fwd09.aul.t-online.de by mailout08.sul.t-online.com with smtp id 1AcnAC-00048u-00; Sat, 03 Jan 2004 15:54:04 +0100 X-Fake-Domain: (rPJ6buZDreX9boSReQgviX3ud+AOHOTbXTwEIWuf4S-Nh3VZ2t1Lrh@[62.224.53.43]) Received: from (rPJ6buZDreX9boSReQgviX3ud+AOHOTbXTwEIWuf4S-Nh3VZ2t1Lrh@[62.224.53.43]) by fwd09.sul.t-online.com with smtp id 1Acn9v-23MfTM0; Sat, 3 Jan 2004 15:53:47 +0100 From: "jannsen" <0482183881-0001@t-online.de> To: rsgb_lf_group@blacksheep.org References: <1d2.1724e332.2d2764e6@aol.com> X-Mailer: T-Online eMail 2.34 MIME-Version: 1.0 Date: Sat, 3 Jan 2004 15:53:47 +0100 Message-ID: <1Acn9v-23MfTM0@fwd09.sul.t-online.com> X-Seen: false X-ID: rPJ6buZDreX9boSReQgviX3ud+AOHOTbXTwEIWuf4S-Nh3VZ2t1Lrh Subject: Re: LF: TA beaconing update Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.4 required=5.0 tests=FROM_ENDS_IN_NUMS,FROM_STARTS_WITH_NUMS autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 MarkusVester@aol.com schrieb: > Before midnight UT, Peter joined in, and DJ8WO came back on a new QRG: > > 135923.13 G3LDO qrss 60s (14dBľV/m qsb) > 135922.3/.4 DF6NM dfcw 60s/20s (~170mW EMRP) > 135921.89 PA0SE qrss 60s (~13dBľV/m qsb) > 135920.86 DJ8WO qrss 30s (13dBľV/m) > > Markus > DF6NM in JN59NK > > > MarkusVester@aol.com wrote: > > > Hello America ;-) > > > > tonight's Eu beacons at 23:15 UT are / were > > > > 135921.79 DJ8?O QRSS 30s (~13dBľV/m, QRT at 22:50 before I got a complete > > callsign) > > 135921.89 PA0SE QRSS 60s (~13dBľV/m) > > 135922.35 DF6NM 0.1Hz DFCW 60s/20s (~177dBľV/m on the roof beneath the > > antenna ;-) > > > > Good luck to all > > > > Markus > > > > Hi Markus es group, DJ8WO: pse read DJ8WX. had to stop the transmission, got some trble: the aerial current meter suddenly pointed up and down like a dogs tail hearing "his masters voice". So I investigated the system and did find a rat dead near a hole in which a part of the aerial feeder RGU213 (80m long) could be seen, contact with abt 1cm naked soul (the inner wire of the coax) stopped the activity of the rat. If my XYL has no further orders conc the yard I will repair it right away. hpy TA beaconing! Uwe/dj8wx PS. Markus, how do you measure the QRG? My counter on both QRGs displayed excactly 0.05Hz minus. From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 96958 invoked from network); 19 Jan 2004 14:25:24 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 19 Jan 2004 14:25:24 -0000 Received: (qmail 43148 invoked from network); 19 Jan 2004 14:25:24 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 19 Jan 2004 14:25:23 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AiaLD-000B6v-BU for dave@picks.force9.co.uk; Mon, 19 Jan 2004 14:25:23 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AiaKs-0003tW-Ke for rs_out@blacksheep.org; Mon, 19 Jan 2004 14:25:02 +0000 Received: from [204.127.202.64] (helo=sccrmhc13.comcast.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AiaKr-0003tC-Fu for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 14:25:01 +0000 X-Fake-Domain: airportterminal Received: from airportterminal (c-67-163-165-144.client.comcast.net[67.163.165.144]) by comcast.net (sccrmhc13) with SMTP id <2004011914243001600hsi5te>; Mon, 19 Jan 2004 14:24:30 +0000 Message-ID: <002201c3de99$151eabc0$6a01a8c0@comcast.net> From: "Jay Rusgrove" To: rsgb_lf_group@blacksheep.org References: <001301c3de7a$dade8b60$fe79a8c0@PCVONWALTER> <4010040925.20040119114525@dx.ru> Date: Mon, 19 Jan 2004 09:32:35 -0500 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: RU6LA acty Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.8 required=5.0 tests=HTML_30_40,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit
Ed
 
No signals were seen in CT. Thunderstorms in the Gulf of Mexico raised the noise levels at least 10 dB above a quiet night so not much chance to see any DX.
 
Maybe next time...
 
Jay Rusgrove, W1VD  
----- Original Message -----
Sent: Monday, January 19, 2004 6:45 AM
Subject: LF: RU6LA acty

Dear LF-enthusiasts!

I have returned from a Machta (KN97LN)
Has received much e-mails (TNX!). The summary later...
Some conclusions from last acty: the propagation was very unstable on
a distance up to 3000km at the night but for me there was by a surprise
a very good and stable propagation to daytime (Jan 18)

I made beacons:
Jan 16-17 abt 23-6z 135.922+ QRSS60
Jan 17 at daytime 137.7 QRSS3
Jan 17-18 abt 23-4z QRSS60 with some 30min RX 137.777 in QRSS30
Jan 18 at daytime till abt 12z 137.7 QRSS3
Jan 18-19 22-5z 135.922+ QRSS60

Nothing on 137.777 ;-(
How in Northen America?

Have carried out with Vlad UA6LV some experiments with ANTs on 160/80
(CQ WW 160m at next weekend) - too had surprises

73! Ed RU6LA  ed@dx.ru  http://136.73.ru

P.S. I have no any msgs from Rich's trip and any OM2TW's captures on
136kHz ;-(

From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 45998 invoked from network); 5 Jan 2004 03:54:27 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 5 Jan 2004 03:54:27 -0000 Received: (qmail 22587 invoked from network); 5 Jan 2004 03:54:27 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 5 Jan 2004 03:54:26 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AdLow-0005lS-6R for dave@picks.force9.co.uk; Mon, 05 Jan 2004 03:54:26 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdLoR-00056a-Td for rs_out@blacksheep.org; Mon, 05 Jan 2004 03:53:55 +0000 Received: from [216.148.227.85] (helo=rwcrmhc12.comcast.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AdLoQ-0004zY-P3 for rsgb_lf_group@blacksheep.org; Mon, 05 Jan 2004 03:53:54 +0000 X-Fake-Domain: jayterminal Received: from jayterminal (c-67-163-165-144.client.comcast.net[67.163.165.144]) by comcast.net (rwcrmhc12) with SMTP id <20040105035323014006491ae>; Mon, 5 Jan 2004 03:53:23 +0000 Message-ID: <000f01c3d33f$ba175ec0$6401a8c0@comcast.net> From: "Jay Rusgrove" To: rsgb_lf_group@blacksheep.org References: <1c3.1398e8ca.2d2a1981@aol.com> Date: Sun, 4 Jan 2004 22:55:11 -0500 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: TA Snagulator Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 The CT Snagulator watching 137922 at: http://www.advancedreceiver.com/capture/latest135922.jpg Jay, W1VD From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 4993 invoked from network); 5 Jan 2004 02:26:19 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 5 Jan 2004 02:26:19 -0000 Received: (qmail 57039 invoked from network); 5 Jan 2004 02:26:19 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 5 Jan 2004 02:26:17 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AdKRd-000Ecj-Ly for dave@picks.force9.co.uk; Mon, 05 Jan 2004 02:26:17 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdKRJ-0003jf-Pr for rs_out@blacksheep.org; Mon, 05 Jan 2004 02:25:57 +0000 Received: from [204.127.202.56] (helo=sccrmhc12.comcast.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AdKRI-0003hn-A6 for rsgb_lf_group@blacksheep.org; Mon, 05 Jan 2004 02:25:56 +0000 X-Fake-Domain: jayterminal Received: from jayterminal (c-67-163-165-144.client.comcast.net[67.163.165.144]) by comcast.net (sccrmhc12) with SMTP id <2004010502252501200eecqge>; Mon, 5 Jan 2004 02:25:25 +0000 Message-ID: <001501c3d333$72ef8b00$6401a8c0@comcast.net> From: "Jay Rusgrove" To: rsgb_lf_group@blacksheep.org References: Date: Sun, 4 Jan 2004 21:27:21 -0500 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: Re: TA beaconing Mon 0:15 UT Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Conditions have improved here in the last hour - CT1DRP solid copy - no others yet. QRN starting to pick up though. Jay ----- Original Message ----- From: "Laurence KL1X" To: Sent: Sunday, January 04, 2004 8:08 PM Subject: RE: LF: Re: TA beaconing Mon 0:15 UT > Same here at the moment - dcf is down at the moment - but its just dusk here > so time to improve (!) > > Laurence > > > > >From: "John Andrews" > >Reply-To: rsgb_lf_group@blacksheep.org > >To: > >Subject: LF: Re: TA beaconing Mon 0:15 UT > >Date: Mon, 5 Jan 2004 01:06:33 -0000 > > > >135.922 signals disappeared here about an hour ago. No sign of anything but > >noise. > > > >John Andrews > > > > > > > > _________________________________________________________________ > Have fun customizing MSN Messenger - learn how here! > http://www.msnmessenger-download.com/tracking/reach_customize > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 46886 invoked from network); 5 Jan 2004 00:52:20 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 5 Jan 2004 00:52:20 -0000 Received: (qmail 26439 invoked from network); 5 Jan 2004 00:52:20 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 5 Jan 2004 00:52:14 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AdIyc-0006Xn-9J for dave@picks.force9.co.uk; Mon, 05 Jan 2004 00:52:14 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdIyK-0002D9-49 for rs_out@blacksheep.org; Mon, 05 Jan 2004 00:51:56 +0000 Received: from [204.127.198.39] (helo=rwcrmhc13.comcast.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AdIyI-0002D0-VQ for rsgb_lf_group@blacksheep.org; Mon, 05 Jan 2004 00:51:55 +0000 X-Fake-Domain: jayterminal Received: from jayterminal (c-67-163-165-144.client.comcast.net[67.163.165.144]) by comcast.net (rwcrmhc13) with SMTP id <20040105005118015000bhghe>; Mon, 5 Jan 2004 00:51:18 +0000 Message-ID: <001c01c3d326$5044a5c0$6401a8c0@comcast.net> From: "Jay Rusgrove" To: rsgb_lf_group@blacksheep.org References: <8e.a662cb.2d2a08f3@aol.com> Date: Sun, 4 Jan 2004 19:53:19 -0500 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: TA beaconing Mon 0:15 UT Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Markus Thanks for the "watch" list. CT1DRP was good copy until about an hour ago but has been in a fade since. Looks like he's just coming back up here now. None of the other stations seen here as yet. Jay ----- Original Message ----- From: To: Sent: Sunday, January 04, 2004 7:25 PM Subject: LF: TA beaconing Mon 0:15 UT > Hi everybody, > > tonight's short survey as seen in Nuernberg, JN59NK: > > 135922.95/923.05 CT1DRP dfcw60 > 135922.96 G3LDO qrss60 (currently colliding with Brian) > 135921.52 SM6BHZ qrss60 > 135920.86 DJ8WX qrss30 > > ... plenty of room ! > > Good luck again to all > Markus, DF6NM > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 77030 invoked from network); 4 Jan 2004 00:28:09 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 4 Jan 2004 00:28:09 -0000 Received: (qmail 3321 invoked from network); 4 Jan 2004 00:28:08 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 4 Jan 2004 00:28:07 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Acw7j-0000ki-Pi for dave@picks.force9.co.uk; Sun, 04 Jan 2004 00:28:07 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Acw7Z-0005IQ-Tt for rs_out@blacksheep.org; Sun, 04 Jan 2004 00:27:57 +0000 Received: from [204.127.202.56] (helo=sccrmhc12.comcast.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Acw7Y-0005I7-S4 for rsgb_lf_group@blacksheep.org; Sun, 04 Jan 2004 00:27:56 +0000 X-Fake-Domain: jayterminal Received: from jayterminal (c-67-163-165-144.client.comcast.net[67.163.165.144]) by comcast.net (sccrmhc12) with SMTP id <2004010400272601200fr090e>; Sun, 4 Jan 2004 00:27:26 +0000 Message-ID: <001e01c3d259$de15d180$6401a8c0@comcast.net> From: "Jay Rusgrove" To: rsgb_lf_group@blacksheep.org References: <115.2d4f82ef.2d28b6b3@aol.com> Date: Sat, 3 Jan 2004 19:29:51 -0500 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: Re: TA beaconing Sat/Sun Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Markus That's quite a list there! Good luck to all. Jay, W1VD ----- Original Message ----- From: To: Sent: Saturday, January 03, 2004 7:22 PM Subject: Re: LF: Re: TA beaconing Sat/Sun Dear Jay and all, I informed Walter DJ2LF of the possible problem, and he decided to move up to 135921.723, in the middle between PA0SE and SM6BHZ. The list at 00:10 is 135923.45/.55 CT1DRP dfcw 60s ~-3dBľV/m 135922.50/.70 DK1IS dfcw 150s 36dBľV/m 135922.2/.3 DF6NM dfcw 60+20s 135921.93 PA0SE qrss 120s ~13dBľV/m 135921.73 DJ2LF qrss 60s 42dBľV/m 135921.52 SM6BHZ qrss 60s 18dBľV/m 135920.86 DJ8WX qrss 30s ~10dBľV/m 73 de Markus In einer eMail vom 04.01.2004 00:02:03 Westeuropäische Normalzeit schreibt JRusgrove@comcast.net: > One of the frequencies you listed 135919.76 is pretty close to a loran > line at 135919.732 which is currently visible here. From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 73086 invoked from network); 3 Jan 2004 23:01:46 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 3 Jan 2004 23:01:46 -0000 Received: (qmail 35279 invoked from network); 3 Jan 2004 23:01:46 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 3 Jan 2004 23:01:44 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Acum8-0008xu-Il for dave@picks.force9.co.uk; Sat, 03 Jan 2004 23:01:44 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Aculb-0003rp-9R for rs_out@blacksheep.org; Sat, 03 Jan 2004 23:01:11 +0000 Received: from [216.148.227.85] (helo=rwcrmhc12.comcast.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Acula-0003rW-4K for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 23:01:10 +0000 X-Fake-Domain: jayterminal Received: from jayterminal (c-67-163-165-144.client.comcast.net[67.163.165.144]) by comcast.net (rwcrmhc12) with SMTP id <2004010323003801400aus2de>; Sat, 3 Jan 2004 23:00:38 +0000 Message-ID: <000a01c3d24d$bfeb75e0$6401a8c0@comcast.net> From: "Jay Rusgrove" To: rsgb_lf_group@blacksheep.org References: <11d.29e1d82b.2d28934b@aol.com> Date: Sat, 3 Jan 2004 18:03:06 -0500 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: TA beaconing Sat/Sun Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Markus Thanks for the info. One of the frequencies you listed 135919.76 is pretty close to a loran line at 135919.732 which is currently visible here. In case others are planning on joining in here is a list of frequencies to avoid depending on your intended reception areas. 135919.056 Canadian East Coast 135919.732 Russian American 135919.732 Great Lakes 135920.523 Western US 135920.916 South Central US 135920.921 North Pacific 135921.053 Southeast US 135921.596 New Foundland East Coast 135922.799 North Central US 135923.367 Gulf of Alaska 135923.695 Northeast US Jay, W1VD ----- Original Message ----- From: To: Sent: Saturday, January 03, 2004 4:51 PM Subject: LF: TA beaconing Sat/Sun Hi group, a short overview of activity at 21 UT: 135923.45/.55 CT1DRP dfcw 60s ~-3dBľV/m 135921.52 "ZZ" qrss 60s 18dBľV/m (the mysterious Z, direction north) 135920.86 DJ8WX qrss 30s ~10dBľV/m 135919.76 DJ2LF qrss (test) 42dBľV/m I hope to join in around 23:00 on the usual pair 135922.3/.4 . 73 es gl Markus, DF6NM ------------------------------------------------------------------------ -------- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 55986 invoked from network); 3 Jan 2004 12:23:02 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 3 Jan 2004 12:23:02 -0000 Received: (qmail 91729 invoked from network); 3 Jan 2004 12:23:02 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 3 Jan 2004 12:23:01 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Acko1-000Nkg-3t for dave@picks.force9.co.uk; Sat, 03 Jan 2004 12:23:01 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Acknl-0003qZ-JH for rs_out@blacksheep.org; Sat, 03 Jan 2004 12:22:45 +0000 Received: from [204.127.202.64] (helo=sccrmhc13.comcast.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Acknl-0003qK-4v for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 12:22:45 +0000 X-Fake-Domain: jayterminal Received: from jayterminal (c-67-163-165-144.client.comcast.net[67.163.165.144]) by comcast.net (sccrmhc13) with SMTP id <20040103122214016008rlb3e>; Sat, 3 Jan 2004 12:22:14 +0000 Message-ID: <003201c3d1f4$9642ee20$6401a8c0@comcast.net> From: "Jay Rusgrove" To: rsgb_lf_group@blacksheep.org References: <1d2.1724e332.2d2764e6@aol.com> <002e01c3d19b$bb172c60$11c828c3@erica> <001a01c3d1f3$840cdf00$6401a8c0@comcast.net> Date: Sat, 3 Jan 2004 07:24:51 -0500 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: TA Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 That will teach me to send a post before coffee! Sorry... Second link should be: http://www.advancedreceiver.com/capture/135922010304B.jpg Jay ----- Original Message ----- From: "Jay Rusgrove" To: Sent: Saturday, January 03, 2004 7:17 AM Subject: LF: TA > Oops. Change that last paragraph entry from QRSS60 to QRSS120. Would be > interesting to try it for one night to see if it brings the signals up > from the further east EU stations. > > Jay > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 89426 invoked from network); 3 Jan 2004 12:15:20 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 3 Jan 2004 12:15:20 -0000 Received: (qmail 72499 invoked from network); 3 Jan 2004 12:15:20 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 3 Jan 2004 12:15:19 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AckgZ-000Ika-Em for dave@picks.force9.co.uk; Sat, 03 Jan 2004 12:15:19 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AckgL-0003nH-9x for rs_out@blacksheep.org; Sat, 03 Jan 2004 12:15:05 +0000 Received: from [204.127.202.64] (helo=sccrmhc13.comcast.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AckgK-0003mw-Sb for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 12:15:04 +0000 X-Fake-Domain: jayterminal Received: from jayterminal (c-67-163-165-144.client.comcast.net[67.163.165.144]) by comcast.net (sccrmhc13) with SMTP id <20040103121434016008td31e>; Sat, 3 Jan 2004 12:14:34 +0000 Message-ID: <001a01c3d1f3$840cdf00$6401a8c0@comcast.net> From: "Jay Rusgrove" To: rsgb_lf_group@blacksheep.org References: <1d2.1724e332.2d2764e6@aol.com> <002e01c3d19b$bb172c60$11c828c3@erica> Date: Sat, 3 Jan 2004 07:17:11 -0500 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: TA Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Oops. Change that last paragraph entry from QRSS60 to QRSS120. Would be interesting to try it for one night to see if it brings the signals up from the further east EU stations. Jay From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 22910 invoked from network); 3 Jan 2004 00:35:57 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 3 Jan 2004 00:35:57 -0000 Received: (qmail 62558 invoked from network); 3 Jan 2004 00:35:57 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 3 Jan 2004 00:35:54 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AcZli-000FzU-EJ for dave@picks.force9.co.uk; Sat, 03 Jan 2004 00:35:54 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AcZlV-0003dR-Ac for rs_out@blacksheep.org; Sat, 03 Jan 2004 00:35:41 +0000 Received: from [204.127.198.39] (helo=rwcrmhc13.comcast.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AcZlU-0003Yi-FJ for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 00:35:40 +0000 X-Fake-Domain: jayterminal Received: from jayterminal (c-67-163-165-144.client.comcast.net[67.163.165.144]) by comcast.net (rwcrmhc13) with SMTP id <2004010300350801500q7id4e>; Sat, 3 Jan 2004 00:35:09 +0000 Message-ID: <001001c3d191$d4c8d320$6401a8c0@comcast.net> From: "Jay Rusgrove" To: rsgb_lf_group@blacksheep.org References: <1d2.1724e332.2d2764e6@aol.com> Date: Fri, 2 Jan 2004 19:37:55 -0500 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: TA beaconing update Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Markus We're watching. Jay Rusgrove, W1VD ----- Original Message ----- From: To: Sent: Friday, January 02, 2004 7:20 PM Subject: LF: TA beaconing update Before midnight UT, Peter joined in, and DJ8WO came back on a new QRG: 135923.13 G3LDO qrss 60s (14dBľV/m qsb) 135922.3/.4 DF6NM dfcw 60s/20s (~170mW EMRP) 135921.89 PA0SE qrss 60s (~13dBľV/m qsb) 135920.86 DJ8WO qrss 30s (13dBľV/m) Markus DF6NM in JN59NK MarkusVester@aol.com wrote: > Hello America ;-) > > tonight's Eu beacons at 23:15 UT are / were > > 135921.79 DJ8?O QRSS 30s (~13dBľV/m, QRT at 22:50 before I got a complete > callsign) > 135921.89 PA0SE QRSS 60s (~13dBľV/m) > 135922.35 DF6NM 0.1Hz DFCW 60s/20s (~177dBľV/m on the roof beneath the > antenna ;-) > > Good luck to all > > Markus > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 83802 invoked from network); 14 Jan 2004 13:32:27 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 14 Jan 2004 13:32:27 -0000 Received: (qmail 57751 invoked from network); 14 Jan 2004 13:32:26 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 14 Jan 2004 13:32:25 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Agl8D-000Eua-KV for dave@picks.force9.co.uk; Wed, 14 Jan 2004 13:32:25 +0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Agl88-0003bs-HL for rs_out@blacksheep.org; Wed, 14 Jan 2004 13:32:20 +0000 Received: from [195.101.39.227] (helo=GWOUT.thalesgroup.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Agl88-0003ac-4O for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 13:32:20 +0000 X-Fake-Domain: thalescan.corp.thales Received: from thalescan.corp.thales (200.3.2.3) by GWOUT.thalesgroup.com (NPlex 6.5.026) id 40040501000183F0 for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 14:32:09 +0100 X-Fake-Domain: tccplex.tcc.thomson-csf.com Received: from tccplex.tcc.thomson-csf.com ([200.3.1.11]) by thalescan with InterScan Messaging Security Suite; Wed, 14 Jan 2004 14:31:29 +0100 X-Fake-Domain: NODALNET.clb.tcfr.thales Received: from NODALNET.clb.tcfr.thales (146.11.5.4) by tccplex.tcc.thomson-csf.com (NPlex 6.5.026) id 3EC391A200478426 for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 14:32:11 +0100 Received: by NODALNET.clb.tcfr.thales with Internet Mail Service (5.5.2653.19) id ; Wed, 14 Jan 2004 14:31:29 +0100 X-Bad-Message-ID: no DNS (argos.clb.tcfr.thales) Message-ID: <8840D182F8BB7540B173D2B1FA0CA9AB018AE1F5@argos.clb.tcfr.thales> From: Jean-Louis.RAULT@fr.thalesgroup.com To: rsgb_lf_group@blacksheep.org Date: Wed, 14 Jan 2004 14:31:33 +0100 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2653.19) Subject: RE: LF: Re. Timing GPS Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.3 required=5.0 tests=NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Yes, zat iz perfectly true 73 de Jean-Louis F6AGR > -----Message d'origine----- > De : Stewart Nelson [mailto:sn@scgroup.com] > Envoyé : mercredi 14 janvier 2004 14:12 > Ŕ : rsgb_lf_group@blacksheep.org > Objet : Re: LF: Re. Timing GPS > > On searching the Net, I also found an article claiming that > this was caused an influence from the French. > > http://www.linguistlist.org/~ask-ling/archive-2000.1/msg00563.html > > --Stewart (third generation American, but 1/4 English) From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 40166 invoked from network); 30 Jan 2004 12:03:52 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore03.plus.net with SMTP; 30 Jan 2004 12:03:52 -0000 Received: (qmail 42737 invoked from network); 30 Jan 2004 12:03:52 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 30 Jan 2004 12:03:50 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AmXNG-000AsO-PX for dave@picks.force9.co.uk; Fri, 30 Jan 2004 12:03:50 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AmXM9-0001RX-Az for rs_out@blacksheep.org; Fri, 30 Jan 2004 12:02:41 +0000 Received: from [134.153.232.16] (helo=cupids.ucs.mun.ca) by post.thorcom.com with esmtp (Exim 4.14) id 1AmXM8-0001RO-88 for rsgb_lf_group@blacksheep.org; Fri, 30 Jan 2004 12:02:40 +0000 Received: from plato.ucs.mun.ca (root@plato.ucs.mun.ca [134.153.232.151]) by cupids.ucs.mun.ca (8.12.9p1/8.12.9) with ESMTP id i0UC2W3P087195 for ; Fri, 30 Jan 2004 08:32:33 -0330 (NST) (envelope-from jcraig@morgan.ucs.mun.ca) Received: from plato.ucs.mun.ca (jcraig@localhost [127.0.0.1]) by plato.ucs.mun.ca (8.12.3p2/8.12.3) with ESMTP id i0UC2Lgj018059 for ; Fri, 30 Jan 2004 08:32:31 -0330 (NST) Received: (from jcraig@localhost) by plato.ucs.mun.ca (8.12.3p2/8.12.1/Submit) id i0UC2BE6019359; Fri, 30 Jan 2004 08:32:11 -0330 (NST) Date: Fri, 30 Jan 2004 08:32:10 -0330 (NST) From: "Joe Craig" X-X-Sender: jcraig@plato.ucs.mun.ca To: "LF-Group" In-reply-to: <6.0.1.1.2.20040129133740.036bcc40@POP3.freeler.nl> Message-ID: References: <6.0.1.1.2.20040129133740.036bcc40@POP3.freeler.nl> MIME-Version: 1.0 Subject: LF: TA 30 Jan Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 PA0SE was detected around 2300 and was full O copy at 0200. Joe VO1NA From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 84155 invoked from network); 28 Jan 2004 02:32:33 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore03.plus.net with SMTP; 28 Jan 2004 02:32:33 -0000 Received: (qmail 29696 invoked from network); 28 Jan 2004 02:32:33 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 28 Jan 2004 02:32:31 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AlfVH-0007b7-Je for dave@picks.force9.co.uk; Wed, 28 Jan 2004 02:32:31 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AlfUM-00058j-TX for rs_out@blacksheep.org; Wed, 28 Jan 2004 02:31:34 +0000 Received: from [134.153.232.16] (helo=cupids.ucs.mun.ca) by post.thorcom.com with esmtp (Exim 4.14) id 1AlfUL-00058a-Q8 for rsgb_lf_group@blacksheep.org; Wed, 28 Jan 2004 02:31:33 +0000 Received: from plato.ucs.mun.ca (root@plato.ucs.mun.ca [134.153.232.151]) by cupids.ucs.mun.ca (8.12.9p1/8.12.9) with ESMTP id i0S2UXI3011668 for ; Tue, 27 Jan 2004 23:00:34 -0330 (NST) (envelope-from jcraig@morgan.ucs.mun.ca) Received: from plato.ucs.mun.ca (jcraig@localhost [127.0.0.1]) by plato.ucs.mun.ca (8.12.3p2/8.12.3) with ESMTP id i0S2UXgj014090 for ; Tue, 27 Jan 2004 23:00:33 -0330 (NST) Received: (from jcraig@localhost) by plato.ucs.mun.ca (8.12.3p2/8.12.1/Submit) id i0S2UWtX013767; Tue, 27 Jan 2004 23:00:32 -0330 (NST) Date: Tue, 27 Jan 2004 23:00:32 -0330 (NST) From: "Joe Craig" X-X-Sender: jcraig@plato.ucs.mun.ca To: rsgb_lf_group@blacksheep.org In-reply-to: <000801c3e544$a21492e0$4ec828c3@erica> Message-ID: References: <005401c3e2ad$3d2d3ba0$6507a8c0@Main> <000a01c3e404$c3453280$fec428c3@erica> <001101c3e533$75938200$d4ce28c3@erica> <000a01c3e53b$527c12c0$e82c7ad5@rogersservices> <000801c3e544$a21492e0$4ec828c3@erica> MIME-Version: 1.0 Subject: Re: LF: Re:: LF TA Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Peter Jim and Group, Thank-you for the entertainment tonight. Just finished reading the email and now having a wee nip to celebrate LF TA #3. Will run the beacon until dawn. Cheers Joe On Wed, 28 Jan 2004, g3ldo wrote: > Jim, M0BMU said > > > > > Dear Joe, Peter, LF Group, > > > > VO1NA currently "O" copy here - giving 'LDO an "O" report. See attachment. > > > > Jim, you getting better copy than I am here - I am receiving only M but I > did get my O report. > > This was a random QSO but not as good as yours last October > > QSO still in progress! > > Regards, > Peter, G3LDO > > e-mail > > > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 52293 invoked from network); 27 Jan 2004 12:08:28 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 27 Jan 2004 12:08:28 -0000 Received: (qmail 74220 invoked from network); 27 Jan 2004 12:08:28 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 27 Jan 2004 12:08:26 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AlS13-000J50-Vi for dave@picks.force9.co.uk; Tue, 27 Jan 2004 12:08:26 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AlS0G-00014h-B4 for rs_out@blacksheep.org; Tue, 27 Jan 2004 12:07:36 +0000 Received: from [134.153.232.16] (helo=cupids.ucs.mun.ca) by post.thorcom.com with esmtp (Exim 4.14) id 1AlS0F-00014Y-4W for rsgb_lf_group@blacksheep.org; Tue, 27 Jan 2004 12:07:35 +0000 Received: from plato.ucs.mun.ca (root@plato.ucs.mun.ca [134.153.232.151]) by cupids.ucs.mun.ca (8.12.9p1/8.12.9) with ESMTP id i0RC7UCg071047 for ; Tue, 27 Jan 2004 08:37:31 -0330 (NST) (envelope-from jcraig@morgan.ucs.mun.ca) Received: from plato.ucs.mun.ca (jcraig@localhost [127.0.0.1]) by plato.ucs.mun.ca (8.12.3p2/8.12.3) with ESMTP id i0RC7Tgj000741 for ; Tue, 27 Jan 2004 08:37:29 -0330 (NST) Received: (from jcraig@localhost) by plato.ucs.mun.ca (8.12.3p2/8.12.1/Submit) id i0RC7TAr001138; Tue, 27 Jan 2004 08:37:29 -0330 (NST) Date: Tue, 27 Jan 2004 08:37:29 -0330 (NST) From: "Joe Craig" X-X-Sender: jcraig@plato.ucs.mun.ca To: rsgb_lf_group@blacksheep.org In-reply-to: <000401c3e46b$6a368f60$42e086d4@erica> Message-ID: References: <005401c3e2ad$3d2d3ba0$6507a8c0@Main> <000a01c3e404$c3453280$fec428c3@erica> <000401c3e46b$6a368f60$42e086d4@erica> MIME-Version: 1.0 Subject: Re: LF: Re: Running on 2 legs Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Sorry Peter. Missed you last night. I'll listen on the half hour tonight. Joe On Tue, 27 Jan 2004, g3ldo wrote: > Will be looking for you. Conditions this year have been disappointing > compared with previous years. > > I will transmit for a while before hitting the sack, 135.921 QRSS30 > > Regards, > Peter, G3LDO > > e-mail > > Web > > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 39821 invoked from network); 26 Jan 2004 13:25:35 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 26 Jan 2004 13:25:35 -0000 Received: (qmail 81654 invoked from network); 26 Jan 2004 13:25:35 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 26 Jan 2004 13:25:33 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Al6k9-000L1J-Op for dave@picks.force9.co.uk; Mon, 26 Jan 2004 13:25:33 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Al6jL-0006nj-QH for rs_out@blacksheep.org; Mon, 26 Jan 2004 13:24:43 +0000 Received: from [134.153.232.16] (helo=cupids.ucs.mun.ca) by post.thorcom.com with esmtp (Exim 4.14) id 1Al6jK-0006na-NI for rsgb_lf_group@blacksheep.org; Mon, 26 Jan 2004 13:24:42 +0000 Received: from plato.ucs.mun.ca (root@plato.ucs.mun.ca [134.153.232.151]) by cupids.ucs.mun.ca (8.12.9p1/8.12.9) with ESMTP id i0QDOcCg018090 for ; Mon, 26 Jan 2004 09:54:38 -0330 (NST) (envelope-from jcraig@morgan.ucs.mun.ca) Received: from plato.ucs.mun.ca (jcraig@localhost [127.0.0.1]) by plato.ucs.mun.ca (8.12.3p2/8.12.3) with ESMTP id i0QDObgj003909 for ; Mon, 26 Jan 2004 09:54:37 -0330 (NST) Received: (from jcraig@localhost) by plato.ucs.mun.ca (8.12.3p2/8.12.1/Submit) id i0QDObKB011086; Mon, 26 Jan 2004 09:54:37 -0330 (NST) Date: Mon, 26 Jan 2004 09:54:37 -0330 (NST) From: "Joe Craig" X-X-Sender: jcraig@plato.ucs.mun.ca To: rsgb_lf_group@blacksheep.org In-reply-to: <000a01c3e404$c3453280$fec428c3@erica> Message-ID: References: <005401c3e2ad$3d2d3ba0$6507a8c0@Main> <000a01c3e404$c3453280$fec428c3@erica> MIME-Version: 1.0 Subject: Re: LF: Re: Running on 2 legs Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Dear LF Group, Thanks for the report from Peter and the ARGO grabs from Brian. It seems the poor conditions are not affecting reception too seriously. Will be on again tonight. Joe VO1NA www.ucs.mun.ca/~jcraig/lfex.html From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 45172 invoked from network); 25 Jan 2004 17:47:44 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 25 Jan 2004 17:47:44 -0000 Received: (qmail 33735 invoked from network); 25 Jan 2004 17:47:44 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 25 Jan 2004 17:47:42 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AkoMI-0008f0-9d for dave@picks.force9.co.uk; Sun, 25 Jan 2004 17:47:42 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AkoLS-0006MY-CF for rs_out@blacksheep.org; Sun, 25 Jan 2004 17:46:50 +0000 Received: from [134.153.232.16] (helo=cupids.ucs.mun.ca) by post.thorcom.com with esmtp (Exim 4.14) id 1AkoLR-0006MP-7q for rsgb_lf_group@blacksheep.org; Sun, 25 Jan 2004 17:46:49 +0000 Received: from plato.ucs.mun.ca (root@plato.ucs.mun.ca [134.153.232.151]) by cupids.ucs.mun.ca (8.12.9p1/8.12.9) with ESMTP id i0PHkiCg071229 for ; Sun, 25 Jan 2004 14:16:45 -0330 (NST) (envelope-from jcraig@morgan.ucs.mun.ca) Received: from plato.ucs.mun.ca (jcraig@localhost [127.0.0.1]) by plato.ucs.mun.ca (8.12.3p2/8.12.3) with ESMTP id i0PHkigj009690 for ; Sun, 25 Jan 2004 14:16:44 -0330 (NST) Received: (from jcraig@localhost) by plato.ucs.mun.ca (8.12.3p2/8.12.1/Submit) id i0PHkXmQ011843; Sun, 25 Jan 2004 14:16:33 -0330 (NST) Date: Sun, 25 Jan 2004 14:16:33 -0330 (NST) From: "Joe Craig" X-X-Sender: jcraig@plato.ucs.mun.ca To: "LF-Group" In-reply-to: <005401c3e2ad$3d2d3ba0$6507a8c0@Main> Message-ID: References: <005401c3e2ad$3d2d3ba0$6507a8c0@Main> MIME-Version: 1.0 Subject: LF: Running on 2 legs Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Dear LF Group, After trudging up the hill with snow shoes and my axe, convincing three trees to relinqish one of the 100 metre wires comprising my LF aerial and reconnecting everything, the aerial is back to its orginal form. Despite the poor conditions, the sigs were received well at Brian's CT1DRP grabber this morning around 0700UTC. The TX will be on again tonight/tomorrow morning on 137.777 kHz QRSS30. On another note, one should avoid aerial work during blizzards. This morning, I found the experience quite electrifying as a result of precip. static using me as an earth connection. Joe VO1NA From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 5819 invoked from network); 22 Jan 2004 12:01:07 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 22 Jan 2004 12:01:07 -0000 Received: (qmail 27634 invoked from network); 22 Jan 2004 12:01:07 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 22 Jan 2004 12:01:03 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AjdWB-0006qR-8H for dave@picks.force9.co.uk; Thu, 22 Jan 2004 12:01:03 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AjdVY-0006Uq-Qh for rs_out@blacksheep.org; Thu, 22 Jan 2004 12:00:24 +0000 Received: from [134.153.232.16] (helo=cupids.ucs.mun.ca) by post.thorcom.com with esmtp (Exim 4.14) id 1AjdVX-0006Uh-OS for rsgb_lf_group@blacksheep.org; Thu, 22 Jan 2004 12:00:23 +0000 Received: from plato.ucs.mun.ca (root@plato.ucs.mun.ca [134.153.232.151]) by cupids.ucs.mun.ca (8.12.9p1/8.12.9) with ESMTP id i0MC0IFZ041446 for ; Thu, 22 Jan 2004 08:30:19 -0330 (NST) (envelope-from jcraig@morgan.ucs.mun.ca) Received: from plato.ucs.mun.ca (jcraig@localhost [127.0.0.1]) by plato.ucs.mun.ca (8.12.3p2/8.12.3) with ESMTP id i0MC0Igj026989 for ; Thu, 22 Jan 2004 08:30:18 -0330 (NST) Received: (from jcraig@localhost) by plato.ucs.mun.ca (8.12.3p2/8.12.1/Submit) id i0MC0HVZ027117; Thu, 22 Jan 2004 08:30:17 -0330 (NST) Date: Thu, 22 Jan 2004 08:30:17 -0330 (NST) From: "Joe Craig" X-X-Sender: jcraig@plato.ucs.mun.ca To: rsgb_lf_group@blacksheep.org In-reply-to: <005601c3e06a$cddd6660$050c8751@rogersservices> Message-ID: References: <001301c3de7a$dade8b60$fe79a8c0@PCVONWALTER> <4010040925.20040119114525@dx.ru> <005601c3e06a$cddd6660$050c8751@rogersservices> MIME-Version: 1.0 Subject: Re: LF: V01NA Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Hello Jim and group, Thanks for the capture, Jim. I'm pleasantly surprised by this very good reception with only one of the 100m wires of the aerial; the amount of inductance required for resonance only increased slightly (~10%) over the 2 wire system and I was almost convinced that it was tuned to a 'false' resonance. The TX was off this morning, but will be on again tonight/tomorrow morning. Cheers Joe On Wed, 21 Jan 2004, James Moritz wrote: > Dear Joe, LF group, > > Broken antenna wires notwithstanding, got quite good copy of VO1NA last > night considering the relatively high level of QRN here. As usual, best > reception was around dawn - see attachment. > > Cheers, Jim Moritz > 73 de M0BMU > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 59600 invoked from network); 21 Jan 2004 13:52:46 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 21 Jan 2004 13:52:46 -0000 Received: (qmail 77146 invoked from network); 21 Jan 2004 13:52:46 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 21 Jan 2004 13:52:44 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AjImi-000JqN-Cy for dave@picks.force9.co.uk; Wed, 21 Jan 2004 13:52:44 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AjIlm-0007U2-Sd for rs_out@blacksheep.org; Wed, 21 Jan 2004 13:51:46 +0000 Received: from [134.153.232.16] (helo=cupids.ucs.mun.ca) by post.thorcom.com with esmtp (Exim 4.14) id 1AjIlj-0007Tt-IN for rsgb_lf_group@blacksheep.org; Wed, 21 Jan 2004 13:51:43 +0000 Received: from plato.ucs.mun.ca (root@plato.ucs.mun.ca [134.153.232.151]) by cupids.ucs.mun.ca (8.12.9p1/8.12.9) with ESMTP id i0LDpcFZ070297 for ; Wed, 21 Jan 2004 10:21:39 -0330 (NST) (envelope-from jcraig@morgan.ucs.mun.ca) Received: from plato.ucs.mun.ca (jcraig@localhost [127.0.0.1]) by plato.ucs.mun.ca (8.12.3p2/8.12.3) with ESMTP id i0LDpWgj000324 for ; Wed, 21 Jan 2004 10:21:38 -0330 (NST) Received: (from jcraig@localhost) by plato.ucs.mun.ca (8.12.3p2/8.12.1/Submit) id i0LDpQ1g001320; Wed, 21 Jan 2004 10:21:26 -0330 (NST) Date: Wed, 21 Jan 2004 10:21:25 -0330 (NST) From: "Joe Craig" X-X-Sender: jcraig@plato.ucs.mun.ca To: "LF-Group" In-reply-to: <001301c3dfbe$cc459b80$6507a8c0@Main> Message-ID: References: <001301c3dfbe$cc459b80$6507a8c0@Main> MIME-Version: 1.0 Subject: Re: LF: re TC44 etc Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 On Wed, 21 Jan 2004, Alan Melia wrote: > Hi Dick, it is not really all that necessary to use that chip. It is quite > possible to drive the gates quite adequately with a PNP-NPN totem pair > (emitter followers...the emitters to the output ...npn top pnp I've been using this method to drive an IFR640 for almost a year. The gate voltage is a bit dirty, but the output seems fine. I'm using Class E per Alan's spreadsheet design. Joe From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 42732 invoked from network); 19 Jan 2004 12:54:00 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 19 Jan 2004 12:54:00 -0000 Received: (qmail 79710 invoked from network); 19 Jan 2004 12:54:00 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 19 Jan 2004 12:53:58 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AiYuk-000Kcc-6H for dave@picks.force9.co.uk; Mon, 19 Jan 2004 12:53:58 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AiYuG-000200-8e for rs_out@blacksheep.org; Mon, 19 Jan 2004 12:53:28 +0000 Received: from [134.153.232.16] (helo=cupids.ucs.mun.ca) by post.thorcom.com with esmtp (Exim 4.14) id 1AiYuF-0001zr-43 for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 12:53:27 +0000 Received: from plato.ucs.mun.ca (root@plato.ucs.mun.ca [134.153.232.151]) by cupids.ucs.mun.ca (8.12.9p1/8.12.9) with ESMTP id i0JCrMFZ099500 for ; Mon, 19 Jan 2004 09:23:23 -0330 (NST) (envelope-from jcraig@morgan.ucs.mun.ca) Received: from plato.ucs.mun.ca (jcraig@localhost [127.0.0.1]) by plato.ucs.mun.ca (8.12.3p2/8.12.3) with ESMTP id i0JCrMgj014946 for ; Mon, 19 Jan 2004 09:23:22 -0330 (NST) Received: (from jcraig@localhost) by plato.ucs.mun.ca (8.12.3p2/8.12.1/Submit) id i0JCrMuL014945; Mon, 19 Jan 2004 09:23:22 -0330 (NST) Date: Mon, 19 Jan 2004 09:23:21 -0330 (NST) From: "Joe Craig" X-X-Sender: jcraig@plato.ucs.mun.ca To: rsgb_lf_group@blacksheep.org In-reply-to: <4010040925.20040119114525@dx.ru> Message-ID: References: <001301c3de7a$dade8b60$fe79a8c0@PCVONWALTER> <4010040925.20040119114525@dx.ru> MIME-Version: 1.0 Subject: Re: LF: RU6LA acty Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Hello Ed and LF Group, The conditions were quite poor over the weekend. I transmitted on Friday and Saturday, but could copy no replies. There was severe power line noise. Also one half of my LF aerial wire came down in a wind storm and became entangled in the tree tops. When the WX gets better, I'll go up the hill with my snow-shoes and my axe to rectify this problem. Until then, it's reduced ERP with a single 100m wire on 137.777 kHz. Thanks to RU6LA and OM2TW for their efforts. Cheers Joe VO1NA On Mon, 19 Jan 2004, Ed Lesnichy wrote: > Dear LF-enthusiasts! > > I have returned from a Machta (KN97LN) > Has received much e-mails (TNX!). The summary later... > Some conclusions from last acty: the propagation was very unstable on > a distance up to 3000km at the night but for me there was by a surprise > a very good and stable propagation to daytime (Jan 18) > > I made beacons: > Jan 16-17 abt 23-6z 135.922+ QRSS60 > Jan 17 at daytime 137.7 QRSS3 > Jan 17-18 abt 23-4z QRSS60 with some 30min RX 137.777 in QRSS30 > Jan 18 at daytime till abt 12z 137.7 QRSS3 > Jan 18-19 22-5z 135.922+ QRSS60 > > Nothing on 137.777 ;-( > How in Northen America? > > Have carried out with Vlad UA6LV some experiments with ANTs on 160/80 > (CQ WW 160m at next weekend) - too had surprises > > 73! Ed RU6LA ed@dx.ru http://136.73.ru > > P.S. I have no any msgs from Rich's trip and any OM2TW's captures on > 136kHz ;-( > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 16690 invoked from network); 17 Jan 2004 00:59:20 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 17 Jan 2004 00:59:20 -0000 Received: (qmail 92924 invoked from network); 17 Jan 2004 00:59:20 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 17 Jan 2004 00:59:19 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Aheo2-000O3h-V8 for dave@picks.force9.co.uk; Sat, 17 Jan 2004 00:59:19 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ahenl-0006d8-FF for rs_out@blacksheep.org; Sat, 17 Jan 2004 00:59:01 +0000 Received: from [134.153.232.16] (helo=cupids.ucs.mun.ca) by post.thorcom.com with esmtp (Exim 4.14) id 1Ahenk-0006cz-Ib for rsgb_lf_group@blacksheep.org; Sat, 17 Jan 2004 00:59:00 +0000 Received: from plato.ucs.mun.ca (root@plato.ucs.mun.ca [134.153.2.151]) by cupids.ucs.mun.ca (8.12.9p1/8.12.9) with ESMTP id i0H0wuCI023540 for ; Fri, 16 Jan 2004 21:28:56 -0330 (NST) (envelope-from jcraig@morgan.ucs.mun.ca) Received: from plato.ucs.mun.ca (jcraig@localhost [127.0.0.1]) by plato.ucs.mun.ca (8.12.3p2/8.12.3) with ESMTP id i0H0wtR1001979 for ; Fri, 16 Jan 2004 21:28:55 -0330 (NST) Received: (from jcraig@localhost) by plato.ucs.mun.ca (8.12.3p2/8.12.1/Submit) id i0H0wt54000093; Fri, 16 Jan 2004 21:28:55 -0330 (NST) Date: Fri, 16 Jan 2004 21:28:55 -0330 (NST) From: "Joe Craig" X-X-Sender: jcraig@plato.ucs.mun.ca To: rsgb_lf_group@blacksheep.org In-reply-to: <002201c3dc88$5900e640$24c828c3@erica> Message-ID: References: <002201c3dc88$5900e640$24c828c3@erica> MIME-Version: 1.0 Subject: Re: LF: Re: Tx test Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Peter, I got an 'O' Joe On Fri, 16 Jan 2004, g3ldo wrote: > Making a test transmission on 135.921kHz QRSS30 now > > Peter G3LDO > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 68866 invoked from network); 14 Jan 2004 12:09:09 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 14 Jan 2004 12:09:09 -0000 Received: (qmail 3867 invoked from network); 14 Jan 2004 12:09:09 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 14 Jan 2004 12:09:07 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Agjpa-0000ma-Sr for dave@picks.force9.co.uk; Wed, 14 Jan 2004 12:09:07 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AgjoN-0001fO-1K for rs_out@blacksheep.org; Wed, 14 Jan 2004 12:07:51 +0000 Received: from [134.153.232.16] (helo=cupids.ucs.mun.ca) by post.thorcom.com with esmtp (Exim 4.14) id 1AgjoL-0001fF-QQ for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 12:07:50 +0000 Received: from plato.ucs.mun.ca (root@plato.ucs.mun.ca [134.153.2.151]) by cupids.ucs.mun.ca (8.12.9p1/8.12.9) with ESMTP id i0EC5S1V037585 for ; Wed, 14 Jan 2004 08:35:34 -0330 (NST) (envelope-from jcraig@morgan.ucs.mun.ca) Received: from plato.ucs.mun.ca (jcraig@localhost [127.0.0.1]) by plato.ucs.mun.ca (8.12.3p2/8.12.3) with ESMTP id i0EC5SR1010306 for ; Wed, 14 Jan 2004 08:35:28 -0330 (NST) Received: (from jcraig@localhost) by plato.ucs.mun.ca (8.12.3p2/8.12.1/Submit) id i0EC5R7A009643; Wed, 14 Jan 2004 08:35:27 -0330 (NST) Date: Wed, 14 Jan 2004 08:35:27 -0330 (NST) From: "Joe Craig" X-X-Sender: jcraig@plato.ucs.mun.ca To: rsgb_lf_group@blacksheep.org In-reply-to: Message-ID: References: <112.2d7a7cd2.2d352079@aol.com> MIME-Version: 1.0 Subject: LF: TA 14 Jan Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Nil Joe VO1NA From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 18011 invoked from network); 13 Jan 2004 11:30:47 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 13 Jan 2004 11:30:47 -0000 Received: (qmail 8730 invoked from network); 13 Jan 2004 11:30:47 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 13 Jan 2004 11:30:45 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AgMku-00029a-VG for dave@picks.force9.co.uk; Tue, 13 Jan 2004 11:30:45 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AgMiP-0008Q0-IQ for rs_out@blacksheep.org; Tue, 13 Jan 2004 11:28:09 +0000 Received: from [134.153.232.16] (helo=cupids.ucs.mun.ca) by post.thorcom.com with esmtp (Exim 4.14) id 1AgMiJ-0008Po-Ff for rsgb_lf_group@blacksheep.org; Tue, 13 Jan 2004 11:28:03 +0000 Received: from plato.ucs.mun.ca (root@plato.ucs.mun.ca [134.153.2.151]) by cupids.ucs.mun.ca (8.12.9p1/8.12.9) with ESMTP id i0DBRv1V085832 for ; Tue, 13 Jan 2004 07:57:58 -0330 (NST) (envelope-from jcraig@morgan.ucs.mun.ca) Received: from plato.ucs.mun.ca (jcraig@localhost [127.0.0.1]) by plato.ucs.mun.ca (8.12.3p2/8.12.3) with ESMTP id i0DBRvR1018993 for ; Tue, 13 Jan 2004 07:57:57 -0330 (NST) Received: (from jcraig@localhost) by plato.ucs.mun.ca (8.12.3p2/8.12.1/Submit) id i0DBRu5T016719; Tue, 13 Jan 2004 07:57:56 -0330 (NST) Date: Tue, 13 Jan 2004 07:57:56 -0330 (NST) From: "Joe Craig" X-X-Sender: jcraig@plato.ucs.mun.ca To: rsgb_lf_group@blacksheep.org In-reply-to: <112.2d7a7cd2.2d352079@aol.com> Message-ID: References: <112.2d7a7cd2.2d352079@aol.com> MIME-Version: 1.0 Subject: LF: TA 13 Jan Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Just a trace of CT1DRP on 2fcw but very strong sigs from DJ8WX. Joe VO1NA From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 46198 invoked from network); 12 Jan 2004 17:34:23 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 12 Jan 2004 17:34:23 -0000 Received: (qmail 58673 invoked from network); 12 Jan 2004 17:34:22 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 12 Jan 2004 17:34:18 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Ag5xC-000Exc-94 for dave@picks.force9.co.uk; Mon, 12 Jan 2004 17:34:18 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ag5wn-0004qe-EW for rs_out@blacksheep.org; Mon, 12 Jan 2004 17:33:53 +0000 Received: from [134.153.232.16] (helo=cupids.ucs.mun.ca) by post.thorcom.com with esmtp (Exim 4.14) id 1Ag5wm-0004qV-2a for rsgb_lf_group@blacksheep.org; Mon, 12 Jan 2004 17:33:52 +0000 Received: from plato.ucs.mun.ca (root@plato.ucs.mun.ca [134.153.2.151]) by cupids.ucs.mun.ca (8.12.9p1/8.12.9) with ESMTP id i0CHXT1V011501; Mon, 12 Jan 2004 14:03:30 -0330 (NST) (envelope-from jcraig@morgan.ucs.mun.ca) Received: from plato.ucs.mun.ca (jcraig@localhost [127.0.0.1]) by plato.ucs.mun.ca (8.12.3p2/8.12.3) with ESMTP id i0CHXTR1028685; Mon, 12 Jan 2004 14:03:29 -0330 (NST) Received: (from jcraig@localhost) by plato.ucs.mun.ca (8.12.3p2/8.12.1/Submit) id i0CHXS3P014524; Mon, 12 Jan 2004 14:03:28 -0330 (NST) Date: Mon, 12 Jan 2004 14:03:27 -0330 (NST) From: "Joe Craig" X-X-Sender: jcraig@plato.ucs.mun.ca To: "Gasparik Richard" Cc: rsgb_lf_group@blacksheep.org In-reply-to: Message-ID: References: MIME-Version: 1.0 Subject: Re: LF: T/A test Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 I'll be watching 135.922 around 2130 and TX qrss20 on 137.777 on the hour. Other sugestions are welcomed. Joe VO1NA On Mon, 12 Jan 2004, Gasparik Richard wrote: > Hi LF-ers... > > I'll be QRV from 135m high vertical this weekend with the call OM2TW, OM5KM > and maybe OM100TS. Mostly on CW, but also some QRSS acty. I'll try also T/A > during the night time, maybe also QSO with VO1NA. > > Start: friday March 16. at 1400Z > QRT: saturday March 17. at 1200Z > > Btw, still need some countries from Eu - EA, EI, GI, GW, CT, LX, > OH0...etc... > > Skeds are welcome. > > Email: om2tw@nextra.sk > Phone: +421 903 416609 (SMS) > ICQ: 109360511 > > Best regards > > 73 de Rich OM2TW > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 89316 invoked from network); 11 Jan 2004 20:37:19 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 11 Jan 2004 20:37:19 -0000 Received: (qmail 24274 invoked from network); 11 Jan 2004 20:37:18 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 11 Jan 2004 20:37:17 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AfmKj-00068v-2v for dave@picks.force9.co.uk; Sun, 11 Jan 2004 20:37:17 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AfmKI-00058k-UL for rs_out@blacksheep.org; Sun, 11 Jan 2004 20:36:50 +0000 Received: from [134.153.232.16] (helo=cupids.ucs.mun.ca) by post.thorcom.com with esmtp (Exim 4.14) id 1AfmKI-00058b-1p for rsgb_lf_group@blacksheep.org; Sun, 11 Jan 2004 20:36:50 +0000 Received: from plato.ucs.mun.ca (root@plato.ucs.mun.ca [134.153.2.151]) by cupids.ucs.mun.ca (8.12.9p1/8.12.9) with ESMTP id i0BKaj1V025741; Sun, 11 Jan 2004 17:06:45 -0330 (NST) (envelope-from jcraig@morgan.ucs.mun.ca) Received: from plato.ucs.mun.ca (jcraig@localhost [127.0.0.1]) by plato.ucs.mun.ca (8.12.3p2/8.12.3) with ESMTP id i0BKaiR1028655; Sun, 11 Jan 2004 17:06:44 -0330 (NST) Received: (from jcraig@localhost) by plato.ucs.mun.ca (8.12.3p2/8.12.1/Submit) id i0BKaisK030136; Sun, 11 Jan 2004 17:06:44 -0330 (NST) Date: Sun, 11 Jan 2004 17:06:43 -0330 (NST) From: "Joe Craig" X-X-Sender: jcraig@plato.ucs.mun.ca To: rsgb_lf_group@blacksheep.org Cc: lowfer@mailman.qth.net In-reply-to: <007a01c3d870$20dd0bc0$0500a8c0@charter.net> Message-ID: References: <007a01c3d870$20dd0bc0$0500a8c0@charter.net> MIME-Version: 1.0 Subject: Re: LF: First WOLF QSO! Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Hi John and Congrats to you and NC! I'm very grateful for LF help you've given me as well. Well done ! Joe VO1NA From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 98535 invoked from network); 9 Jan 2004 14:43:08 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 9 Jan 2004 14:43:08 -0000 Received: (qmail 92932 invoked from network); 9 Jan 2004 14:43:08 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 9 Jan 2004 14:43:05 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Aexqp-000NjL-Pf for dave@picks.force9.co.uk; Fri, 09 Jan 2004 14:43:04 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Aexot-0000Ii-Pz for rs_out@blacksheep.org; Fri, 09 Jan 2004 14:41:03 +0000 Received: from [134.153.232.16] (helo=cupids.ucs.mun.ca) by post.thorcom.com with esmtp (Exim 4.14) id 1Aexor-0000IZ-K8 for rsgb_lf_group@blacksheep.org; Fri, 09 Jan 2004 14:41:01 +0000 Received: from plato.ucs.mun.ca (root@plato.ucs.mun.ca [134.153.2.151]) by cupids.ucs.mun.ca (8.12.9p1/8.12.9) with ESMTP id i09Eet6w072856; Fri, 9 Jan 2004 11:10:56 -0330 (NST) (envelope-from jcraig@morgan.ucs.mun.ca) Received: from plato.ucs.mun.ca (jcraig@localhost [127.0.0.1]) by plato.ucs.mun.ca (8.12.3p2/8.12.3) with ESMTP id i09EesR1010219; Fri, 9 Jan 2004 11:10:54 -0330 (NST) Received: (from jcraig@localhost) by plato.ucs.mun.ca (8.12.3p2/8.12.1/Submit) id i09EesDT016900; Fri, 9 Jan 2004 11:10:54 -0330 (NST) Date: Fri, 9 Jan 2004 11:10:54 -0330 (NST) From: "Joe Craig" X-X-Sender: jcraig@plato.ucs.mun.ca To: "John Andrews" Cc: rsgb_lf_group@blacksheep.org In-reply-to: <000b01c3d6b0$4e3218c0$0500a8c0@charter.net> Message-ID: References: <3FFDD87C.F0EF0309@att.net> <3FFDDE47.C1107691@att.net> <006901c3d641$b90d70f0$1f00a8c0@dellboy> <005f01c3d659$8a589380$0500a8c0@charter.net> <000d01c3d689$77e9a3d0$1f00a8c0@dellboy> <000401c3d6a9$073c1120$0500a8c0@charter.net> <002101c3d6ad$d7079330$1f00a8c0@dellboy> <000b01c3d6b0$4e3218c0$0500a8c0@charter.net> MIME-Version: 1.0 Subject: Re: LF: 183 kHz BC Q5 in NC at sunset! Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 John, What do you think are the odds of CW between here and Holden (about 1000 miles)? I've been toying with the idea a bit. Joe VO1NA On Fri, 9 Jan 2004, John Andrews wrote: > Dave, > > > Given that one of the big guns would probably have 15dB advantage on that > > signal it might be worth monitoring reception until a peak is seen then > > trying a CW call? Means staying up all night though! > > CW would have been very ambitious under those conditions. QRSS3 or 10 might > have gotten the call sign through. My 3-second screen at that frequency is a > horrid mess of Loran lines and local interference, however. The slow speed > stuff has made the hobby possible in a location hardly suited for LF work. > Others more out in the country might do better. > > John Andrews, W1TAG > > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 87157 invoked from network); 7 Jan 2004 13:00:57 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 7 Jan 2004 13:00:57 -0000 Received: (qmail 50821 invoked from network); 7 Jan 2004 13:00:57 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 7 Jan 2004 13:00:55 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AeDIt-000D6i-Ar for dave@picks.force9.co.uk; Wed, 07 Jan 2004 13:00:55 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AeDI4-0007Px-Tp for rs_out@blacksheep.org; Wed, 07 Jan 2004 13:00:04 +0000 Received: from [134.153.232.16] (helo=cupids.ucs.mun.ca) by post.thorcom.com with esmtp (Exim 4.14) id 1AeDI1-0007Ph-ON for rsgb_lf_group@blacksheep.org; Wed, 07 Jan 2004 13:00:01 +0000 Received: from plato.ucs.mun.ca (root@plato.ucs.mun.ca [134.153.2.151]) by cupids.ucs.mun.ca (8.12.9p1/8.12.9) with ESMTP id i07Cxu6w064907 for ; Wed, 7 Jan 2004 09:29:57 -0330 (NST) (envelope-from jcraig@morgan.ucs.mun.ca) Received: from plato.ucs.mun.ca (jcraig@localhost [127.0.0.1]) by plato.ucs.mun.ca (8.12.3p2/8.12.3) with ESMTP id i07CxuR1009629 for ; Wed, 7 Jan 2004 09:29:56 -0330 (NST) Received: (from jcraig@localhost) by plato.ucs.mun.ca (8.12.3p2/8.12.1/Submit) id i07CxuXf010463; Wed, 7 Jan 2004 09:29:56 -0330 (NST) Date: Wed, 7 Jan 2004 09:29:55 -0330 (NST) From: "Joe Craig" X-X-Sender: jcraig@plato.ucs.mun.ca To: rsgb_lf_group@blacksheep.org In-reply-to: <005901c3d4b0$5ea65ec0$b1aa7ad5@rogersservices> Message-ID: References: <3FFABF62.CF749613@att.net> <011f01c3d48b$01167ee0$6ec428c3@captbrian> <005901c3d4b0$5ea65ec0$b1aa7ad5@rogersservices> MIME-Version: 1.0 Subject: LF: TA 07 Jan 04 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Very strong sigs from AQC. I called on 777 but nothing but an AC buzz after. Joe VO1NA From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 30518 invoked from network); 6 Jan 2004 02:14:25 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 6 Jan 2004 02:14:25 -0000 Received: (qmail 71811 invoked from network); 6 Jan 2004 02:14:25 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 6 Jan 2004 02:14:23 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Adgjf-000IZT-JL for dave@picks.force9.co.uk; Tue, 06 Jan 2004 02:14:23 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdgjR-0000jn-T0 for rs_out@blacksheep.org; Tue, 06 Jan 2004 02:14:09 +0000 Received: from [134.153.232.16] (helo=cupids.ucs.mun.ca) by post.thorcom.com with esmtp (Exim 4.14) id 1AdgjQ-0000je-Ss for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2004 02:14:09 +0000 Received: from plato.ucs.mun.ca (root@plato.ucs.mun.ca [134.153.2.151]) by cupids.ucs.mun.ca (8.12.9p1/8.12.9) with ESMTP id i062E4jM064178 for ; Mon, 5 Jan 2004 22:44:04 -0330 (NST) (envelope-from jcraig@morgan.ucs.mun.ca) Received: from plato.ucs.mun.ca (jcraig@localhost [127.0.0.1]) by plato.ucs.mun.ca (8.12.3p2/8.12.3) with ESMTP id i062E3R1005210 for ; Mon, 5 Jan 2004 22:44:04 -0330 (NST) Received: (from jcraig@localhost) by plato.ucs.mun.ca (8.12.3p2/8.12.1/Submit) id i062E3u1005219; Mon, 5 Jan 2004 22:44:03 -0330 (NST) Date: Mon, 5 Jan 2004 22:44:03 -0330 (NST) From: "Joe Craig" X-X-Sender: jcraig@plato.ucs.mun.ca To: rsgb_lf_group@blacksheep.org In-reply-to: <8.43373904.2d2b702c@aol.com> Message-ID: References: <8.43373904.2d2b702c@aol.com> MIME-Version: 1.0 Subject: Re: LF: Re: LF 2xTA Content-Type: TEXT/PLAIN; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 I saw LDO on 135.9205 something on .9235 and .9208 and called LDO, but no reply. I'm going QRT and QSX for XDW on 137.7735 Thanks to all. Joe On Mon, 5 Jan 2004 MarkusVester@aol.com wrote: > Hi Joe and group, > > similar here: Just after 23:00, there was an "...o1...", but then the trace > decayed to being unreadable. Noise is also louder than it was in the last two > nights. - From receptions in the past, it seems that best SNR here occurs > rather late, more like 03:00 to 07:00. > > For the rest of tonight, I will join the beaconing group on 135922.1 / .2 > dfcw, with extra long spaces between characters, to be able to continue watching > 137777 and 137773.5. > > Best wishes, and thanks for trying > > Markus, DF6NM > > > In einer eMail vom 06.01.2004 01:36:56 Westeuropäische Normalzeit schreibt > g3ldo@ukonline.co.uk: > > > Received an N and part of an A. At the moment condx too poor and unstable > > for a QSO at this time. > > Switching over to receive on .77355 > > > > Peter LDO > > > > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 84462 invoked from network); 5 Jan 2004 18:30:03 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 5 Jan 2004 18:30:03 -0000 Received: (qmail 91463 invoked from network); 5 Jan 2004 18:30:03 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 5 Jan 2004 18:30:00 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AdZUG-000Nfw-Qy for dave@picks.force9.co.uk; Mon, 05 Jan 2004 18:30:00 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdZU0-00026n-E8 for rs_out@blacksheep.org; Mon, 05 Jan 2004 18:29:44 +0000 Received: from [134.153.232.16] (helo=cupids.ucs.mun.ca) by post.thorcom.com with esmtp (Exim 4.14) id 1AdZTy-00026e-Q1 for rsgb_lf_group@blacksheep.org; Mon, 05 Jan 2004 18:29:43 +0000 Received: from plato.ucs.mun.ca (root@plato.ucs.mun.ca [134.153.2.151]) by cupids.ucs.mun.ca (8.12.9p1/8.12.9) with ESMTP id i05ITZjM098331 for ; Mon, 5 Jan 2004 14:59:37 -0330 (NST) (envelope-from jcraig@morgan.ucs.mun.ca) Received: from plato.ucs.mun.ca (jcraig@localhost [127.0.0.1]) by plato.ucs.mun.ca (8.12.3p2/8.12.3) with ESMTP id i05ITZR1010836 for ; Mon, 5 Jan 2004 14:59:35 -0330 (NST) Received: (from jcraig@localhost) by plato.ucs.mun.ca (8.12.3p2/8.12.1/Submit) id i05ITZhK008992; Mon, 5 Jan 2004 14:59:35 -0330 (NST) Date: Mon, 5 Jan 2004 14:59:35 -0330 (NST) From: "Joe Craig" X-X-Sender: jcraig@plato.ucs.mun.ca To: rsgb_lf_group@blacksheep.org In-reply-to: <001801c3d3b7$66ea1a80$9cce28c3@erica> Message-ID: References: <8e.a662cb.2d2a08f3@aol.com> <001801c3d3b7$66ea1a80$9cce28c3@erica> MIME-Version: 1.0 Subject: Re: LF: Re: LF 2xTA Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Thanks Peter, G3LDO for pointing out that I left out the my TX mode. I'll be running QRSS CW dot 20 and watching dot 60 to start. If condx are OK will try dot 20 RX. It takes just under half an hour to send "VO1NA K" at dot 20. After this I'll RX for half an hour. Cheers Joe From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 84843 invoked from network); 5 Jan 2004 16:57:08 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 5 Jan 2004 16:57:08 -0000 Received: (qmail 39077 invoked from network); 5 Jan 2004 16:57:08 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 5 Jan 2004 16:57:06 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AdY2M-0009wT-L0 for dave@picks.force9.co.uk; Mon, 05 Jan 2004 16:57:06 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdY28-0000Vk-FZ for rs_out@blacksheep.org; Mon, 05 Jan 2004 16:56:52 +0000 Received: from [134.153.232.16] (helo=cupids.ucs.mun.ca) by post.thorcom.com with esmtp (Exim 4.14) id 1AdY27-0000Vb-94 for rsgb_lf_group@blacksheep.org; Mon, 05 Jan 2004 16:56:51 +0000 Received: from plato.ucs.mun.ca (root@plato.ucs.mun.ca [134.153.2.151]) by cupids.ucs.mun.ca (8.12.9p1/8.12.9) with ESMTP id i05GukjM063185 for ; Mon, 5 Jan 2004 13:26:46 -0330 (NST) (envelope-from jcraig@morgan.ucs.mun.ca) Received: from plato.ucs.mun.ca (jcraig@localhost [127.0.0.1]) by plato.ucs.mun.ca (8.12.3p2/8.12.3) with ESMTP id i05GujR1001298 for ; Mon, 5 Jan 2004 13:26:46 -0330 (NST) Received: (from jcraig@localhost) by plato.ucs.mun.ca (8.12.3p2/8.12.1/Submit) id i05Gujdx002938; Mon, 5 Jan 2004 13:26:45 -0330 (NST) Date: Mon, 5 Jan 2004 13:26:43 -0330 (NST) From: "Joe Craig" X-X-Sender: jcraig@plato.ucs.mun.ca To: rsgb_lf_group@blacksheep.org In-reply-to: <8e.a662cb.2d2a08f3@aol.com> Message-ID: References: <8e.a662cb.2d2a08f3@aol.com> MIME-Version: 1.0 Subject: LF: LF 2xTA Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Alan G3NYK is predicting favourable condx for possible QSO's so starting at 2300 tonight, I'll TX 137.777 kHz and RX 135.922 kHz +- 1.5 Hz starting 2330. Will repeat this at 0000 and activate beacon if no QSO. Good signals have been received from CT1DRP, PA0SE, DF6NM on a 15 turn 5 foot square loop. Cheers Joe VO1NA PS thanks to G3NYK PA0SE and G3WKL for helping me find my problem with the reflector. From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 51189 invoked from network); 21 Jan 2004 09:22:15 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 21 Jan 2004 09:22:15 -0000 Received: (qmail 76016 invoked from network); 21 Jan 2004 09:22:15 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 21 Jan 2004 09:22:14 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AjEYv-000Jeu-WF for dave@picks.force9.co.uk; Wed, 21 Jan 2004 09:22:14 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AjEYL-0002Bu-E9 for rs_out@blacksheep.org; Wed, 21 Jan 2004 09:21:37 +0000 Received: from [130.244.199.131] (helo=fep03-svc.swip.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AjEYK-0002Bl-EE for rsgb_lf_group@blacksheep.org; Wed, 21 Jan 2004 09:21:36 +0000 X-Fake-Domain: oemcomputer Received: from oemcomputer ([213.101.38.202]) by fep03-svc.swip.net with SMTP id <20040121092132.QTHI1748.fep03-svc.swip.net@oemcomputer> for ; Wed, 21 Jan 2004 10:21:32 +0100 X-Bad-Message-ID: no DNS (oemcomputer) Message-ID: <004801c3dfff$fd27bbc0$ca2665d5@oemcomputer> From: "Johan Bodin" To: rsgb_lf_group@blacksheep.org References: <1074543877.400c3d051a334@webmail2.kuleuven.be><5.1.0.14.0.20040120090129.0362e1d0@u0019445.kuleuven.be> <5.1.0.14.0.20040120155308.036a8a60@u0019445.kuleuven.be> <003d01c3dfa3$4766f960$2102000a@ibm> Date: Wed, 21 Jan 2004 10:20:33 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: TC44/MUR1660 question...thanks..... Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hello Dick and the group, there are many MOSFET drivers on the market. Some examples: Maxim MAX626/627/628 www.maxim-ic.com International Rectifier IR21xx / IR21xxx www.irf.com Intersil HIP408x, ICL7667 www.intersil.com Elantec EL7002/7012/7022 www.??? As Alan mentioned, a dedicated driver IC is not always necessary. The MOSFET gates can be adequately driven by a simple complementary transistor buffer unless extremely fast rise/fall times are required. > Probably my first experimental 137kHz set-up will be something > like the DF3LP "impatient design", simple straight in the old > fashioned way... It is equally easy to build a "true" class E amplifier which has many advantages. When properly tuned, it runs amazingly cool and class E is inherently free from "MOSFET killer" voltage spikes. The transistor current is very low at the switching instants so the drive waveform is not very important, it can be quite "non-square" (it should have 50% duty cycle though). Some HF class E designs even use sine wave drive! The only downside that I can think of is that the "transistor utilization factor" is quite low - less output power per transistor when compared to some other amplifier topologies such as class D. The reason is simply that the peak drain voltage in a class E amplifier is almost 4 * supply voltage... Jim Tonne has written a nice little program for class E design, CLASSE101.ZIP is available here: http://www.qsl.net/wb6bld/classe.html Also, have a look at SOKAL.ZIP on the same page. It contains a PDF paper with general information about class E. It was written by Nathan Sokal, "Mr Class E" himself :-) 73 Johan Bodin, SM6LKM From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 23367 invoked from network); 15 Jan 2004 14:28:56 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 15 Jan 2004 14:28:56 -0000 Received: (qmail 45488 invoked from network); 15 Jan 2004 14:28:56 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 15 Jan 2004 14:28:54 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Ah8UQ-000BiY-QO for dave@picks.force9.co.uk; Thu, 15 Jan 2004 14:28:54 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ah8Tc-0004Rt-BY for rs_out@blacksheep.org; Thu, 15 Jan 2004 14:28:04 +0000 Received: from [130.244.199.130] (helo=fep02-svc.swip.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Ah8Tb-0004Rk-Dd for rsgb_lf_group@blacksheep.org; Thu, 15 Jan 2004 14:28:03 +0000 X-Fake-Domain: oemcomputer Received: from oemcomputer ([213.101.40.144]) by fep02-svc.swip.net with SMTP id <20040115142801.QMCF3162.fep02-svc.swip.net@oemcomputer> for ; Thu, 15 Jan 2004 15:28:01 +0100 X-Bad-Message-ID: no DNS (oemcomputer) Message-ID: <000301c3db73$cee14e60$902865d5@oemcomputer> From: "Johan Bodin" To: rsgb_lf_group@blacksheep.org References: <000701c3db59$8790ec60$6507a8c0@Main> Date: Thu, 15 Jan 2004 15:27:20 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Historical transmission on 981 kHz Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Dear All, Bernt SM6BHZ asked me to send the following information to the LF reflector: Today, January 15, the amateur radio club of Gothenburg (GSA) will transmit a special programme on medium wave to commemorate the first regular broadcast transmission made by K.G. Eliasson in Gothenburg exactly 80 years ago. The callsign was SMZX and the original frequency 652 kHz. Today's transmission: Time: 1700-2100 UTC Freq: 981 kHz Mode: AM Pwr: 350W carrier Ant: 13m vertical on metal roof, 1.5m diameter top hat (*) Callsign: SMXZ (*) SM6BHZ built the antenna in a hurry this morning, Rfeed = 13 ohms. 73 Johan Bodin SM6LKM From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 61391 invoked from network); 14 Jan 2004 08:51:39 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 14 Jan 2004 08:51:39 -0000 Received: (qmail 12024 invoked from network); 14 Jan 2004 08:51:39 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 14 Jan 2004 08:51:37 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AggkT-0002wt-J1 for dave@picks.force9.co.uk; Wed, 14 Jan 2004 08:51:37 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Aggjb-0006Qd-Kt for rs_out@blacksheep.org; Wed, 14 Jan 2004 08:50:43 +0000 Received: from [130.244.199.130] (helo=fep02-svc.swip.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Aggja-0006QT-OA for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 08:50:42 +0000 X-Fake-Domain: oemcomputer Received: from oemcomputer ([213.101.39.21]) by fep02-svc.swip.net with SMTP id <20040114085040.EHKJ3162.fep02-svc.swip.net@oemcomputer> for ; Wed, 14 Jan 2004 09:50:40 +0100 X-Bad-Message-ID: no DNS (oemcomputer) Message-ID: <00d101c3da7b$83ceb320$3a2765d5@oemcomputer> From: "Johan Bodin" To: rsgb_lf_group@blacksheep.org References: <112.2d7a7cd2.2d352079@aol.com> Date: Wed, 14 Jan 2004 09:50:42 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: WOLF QSO / data modes Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hello all, G0MRF wrote: > JT65 is part of a suite of programmes called WSJT. (Weak Signals by W1JT) In case you didn't know, Joe Taylor W1JT won the Nobel prize in physics in 1993: http://www.arrl.org/news/stories/2002/05/14/100/?nc=1 73 Johan SM6LKM From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 50206 invoked from network); 1 Jan 2004 16:38:44 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 1 Jan 2004 16:38:44 -0000 Received: (qmail 47638 invoked from network); 1 Jan 2004 16:38:44 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 1 Jan 2004 16:38:43 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Ac5qN-000CHh-I7 for dave@picks.force9.co.uk; Thu, 01 Jan 2004 16:38:43 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ac5pl-0006xt-Nh for rs_out@blacksheep.org; Thu, 01 Jan 2004 16:38:05 +0000 Received: from [130.244.199.129] (helo=fep01-svc.swip.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Ac5pk-0006xk-TV for rsgb_lf_group@blacksheep.org; Thu, 01 Jan 2004 16:38:04 +0000 X-Fake-Domain: oemcomputer Received: from oemcomputer ([213.101.36.138]) by fep01-svc.swip.net with SMTP id <20040101163802.SGOK3280.fep01-svc.swip.net@oemcomputer>; Thu, 1 Jan 2004 17:38:02 +0100 X-Bad-Message-ID: no DNS (oemcomputer) Message-ID: <004701c3d085$a3b0b300$e22965d5@oemcomputer> From: "Johan Bodin" To: rsgb_lf_group@blacksheep.org, lowfer@mailman.qth.net References: <000d01c3d06e$8aa2a240$4a407ad5@rogersservices> Date: Thu, 1 Jan 2004 17:37:55 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Improving the signal quality Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Gentlemen, you must see this: http://www.j-walk.com/other/wifispray/ Do you think it will work on LF too? :o) 73 Happy New Year Johan SM6LKM From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 86396 invoked from network); 22 Jan 2004 02:38:14 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 22 Jan 2004 02:38:14 -0000 Received: (qmail 54963 invoked from network); 22 Jan 2004 02:38:14 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 22 Jan 2004 02:38:12 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AjUjU-000E74-Mz for dave@picks.force9.co.uk; Thu, 22 Jan 2004 02:38:12 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AjUiy-0004ai-0h for rs_out@blacksheep.org; Thu, 22 Jan 2004 02:37:40 +0000 Received: from [209.225.28.229] (helo=mxsf29.cluster1.charter.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AjUiw-0004aZ-Q6 for rsgb_lf_group@blacksheep.org; Thu, 22 Jan 2004 02:37:38 +0000 X-Fake-Domain: johncellarnew Received: from johncellarnew (cpe-68-118-232-30.ma.charter.com [68.118.232.30]) by mxsf29.cluster1.charter.net (8.12.10/8.12.8) with SMTP id i0M2aVVJ016610 for ; Wed, 21 Jan 2004 21:36:32 -0500 (EST) (envelope-from w1tag@charter.net) Message-ID: <002101c3e090$8e6c98e0$0500a8c0@charter.net> From: "John Andrews" To: rsgb_lf_group@blacksheep.org References: <000c01c3e02e$600a21a0$01eafc3e@l8p8y6> <001501c3e058$ba617980$2102000a@ibm> <000501c3e075$e7aa50c0$52e086d4@erica> Date: Thu, 22 Jan 2004 02:36:36 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: LF Another test transmission Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Peter, > Sending a short (0ne hour or so) transmission QRSS30 135.920.5 Nothing seen on my captures here. John Andrews From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 78122 invoked from network); 19 Jan 2004 16:12:40 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 19 Jan 2004 16:12:40 -0000 Received: (qmail 52683 invoked from network); 19 Jan 2004 16:12:39 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 19 Jan 2004 16:12:35 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Aic0x-000D8A-Li for dave@picks.force9.co.uk; Mon, 19 Jan 2004 16:12:35 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Aic0d-0006RQ-Oy for rs_out@blacksheep.org; Mon, 19 Jan 2004 16:12:15 +0000 Received: from [206.173.118.93] (helo=uhura.concentric.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Aic0d-0006RH-0K for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 16:12:15 +0000 X-Fake-Domain: jka Received: from jka (208.37.242.34.ptr.us.xo.net [208.37.242.34]) by uhura.concentric.net [Concentric SMTP Relay 1.1] id i0JGCDb05732 for ; Mon, 19 Jan 2004 11:12:13 -0500 (EST) Message-ID: <002801c3dea7$57644680$3401a8c0@comrex.com> From: "John Andrews" To: rsgb_lf_group@blacksheep.org References: Date: Mon, 19 Jan 2004 11:14:35 -0500 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Re: test failed.... Content-Type: text/plain; charset=ISO-8859-2; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Rich, > Here are chokes for AC/RF insulation... Nice picture! I doubt if the AC chokes on the left are a big problem. I'm guessing that the rings around the feed line were for coupling an FM or other VHF signal to a transmission line on the tower. They should have no effect on the present issue. I do think that you are coupling into a low resistance though, and will have to transform up to 50 ohms. John Andrews From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 42856 invoked from network); 19 Jan 2004 15:12:22 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 19 Jan 2004 15:12:22 -0000 Received: (qmail 76406 invoked from network); 19 Jan 2004 15:12:20 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 19 Jan 2004 15:12:12 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Aib4W-000Izm-7a for dave@picks.force9.co.uk; Mon, 19 Jan 2004 15:12:12 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Aib3w-0004vp-R6 for rs_out@blacksheep.org; Mon, 19 Jan 2004 15:11:36 +0000 Received: from [206.173.118.93] (helo=uhura.concentric.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Aib3v-0004vg-IV for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 15:11:35 +0000 X-Fake-Domain: jka Received: from jka (208.37.242.34.ptr.us.xo.net [208.37.242.34]) by uhura.concentric.net [Concentric SMTP Relay 1.1] id i0JFBXb27617 for ; Mon, 19 Jan 2004 10:11:34 -0500 (EST) Message-ID: <001101c3de9e$dc21af60$3401a8c0@comrex.com> From: "John Andrews" To: rsgb_lf_group@blacksheep.org References: <5.1.0.14.0.20040119140000.03714bf0@u0019445.kuleuven.be> Date: Mon, 19 Jan 2004 10:13:56 -0500 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: Test failed... Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Rich, Two possiblities: 1. As Rik pointed out, it is common practice to provide a DC ground path for MW towers. This would be done with an inductor, and it may not have enough reactance at 136 kHz. 2. If the tower has obstruction lights, their wiring was decoupled (at the original MF) by series inductors (RF chokes) or by a transformer with a wide air gap between the primary and secondary windings (an "Austin" transformer). If the decoupling was done with chokes, they again may not have enough inductance at 136 to avoid a big transformation of the base impedance. If the above suggestions are ruled out, then Jim's comment about the low base resistance should be noted. You could transform the low resistance with a transformer, as he described, or just ground the low end of the loading coil, and connect the transmitter to a tap. This actually forms an "L" network, and is the simplest way to feed a short vertical where a 50 ohm match is required. Lacking an impedance bridge, it would be helpful to have an SWR indication to know where to place the tap. John Andrews, W1TAG From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 84691 invoked from network); 17 Jan 2004 00:06:17 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 17 Jan 2004 00:06:17 -0000 Received: (qmail 45156 invoked from network); 17 Jan 2004 00:06:17 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 17 Jan 2004 00:06:16 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Ahdyi-000Ba3-24 for dave@picks.force9.co.uk; Sat, 17 Jan 2004 00:06:16 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AhdyU-0005U3-FZ for rs_out@blacksheep.org; Sat, 17 Jan 2004 00:06:02 +0000 Received: from [209.225.28.203] (helo=mxsf03.cluster1.charter.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AhdyT-0005Tu-L5 for rsgb_lf_group@blacksheep.org; Sat, 17 Jan 2004 00:06:01 +0000 X-Fake-Domain: johncellarnew Received: from johncellarnew (cpe-68-118-232-30.ma.charter.com [68.118.232.30]) by mxsf03.cluster1.charter.net (8.12.10/8.12.8) with SMTP id i0H04UJT099810 for ; Fri, 16 Jan 2004 19:04:31 -0500 (EST) (envelope-from w1tag@charter.net) Message-ID: <001401c3dc8d$7bc4cb60$0500a8c0@charter.net> From: "John Andrews" To: rsgb_lf_group@blacksheep.org References: <002201c3dc88$5900e640$24c828c3@erica> Date: Sat, 17 Jan 2004 00:04:31 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Re: Tx test Content-Type: text/plain; charset=Windows-1252; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Peter, There's some signal beginning to show as of 0000. Captures every 15 mins at: http://webpages.charter.net/w1tag/135-1.jpg John Andrews From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 90322 invoked from network); 16 Jan 2004 23:51:15 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 16 Jan 2004 23:51:15 -0000 Received: (qmail 2031 invoked from network); 16 Jan 2004 23:51:15 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 16 Jan 2004 23:51:14 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AhdkA-0000Op-9Y for dave@picks.force9.co.uk; Fri, 16 Jan 2004 23:51:14 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ahdjn-00059C-Ht for rs_out@blacksheep.org; Fri, 16 Jan 2004 23:50:51 +0000 Received: from [209.225.28.203] (helo=mxsf03.cluster1.charter.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Ahdjm-00057D-Jd for rsgb_lf_group@blacksheep.org; Fri, 16 Jan 2004 23:50:50 +0000 X-Fake-Domain: johncellarnew Received: from johncellarnew (cpe-68-118-232-30.ma.charter.com [68.118.232.30]) by mxsf03.cluster1.charter.net (8.12.10/8.12.8) with SMTP id i0GNmBJT088952 for ; Fri, 16 Jan 2004 18:48:12 -0500 (EST) (envelope-from w1tag@charter.net) Message-ID: <000801c3dc8b$33fba300$0500a8c0@charter.net> From: "John Andrews" To: rsgb_lf_group@blacksheep.org References: <002201c3dc88$5900e640$24c828c3@erica> Date: Fri, 16 Jan 2004 23:48:12 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Re: Tx test Content-Type: text/plain; charset=Windows-1252; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Peter, Started watching at 2345. John Andrews From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 91910 invoked from network); 12 Jan 2004 14:56:39 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 12 Jan 2004 14:56:39 -0000 Received: (qmail 73937 invoked from network); 12 Jan 2004 14:56:39 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 12 Jan 2004 14:56:33 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Ag3UX-000Izj-Os for dave@picks.force9.co.uk; Mon, 12 Jan 2004 14:56:33 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ag3UB-0001ME-1o for rs_out@blacksheep.org; Mon, 12 Jan 2004 14:56:11 +0000 Received: from [206.173.118.94] (helo=morse.concentric.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Ag3U9-0001M5-M8 for rsgb_lf_group@blacksheep.org; Mon, 12 Jan 2004 14:56:09 +0000 X-Fake-Domain: jka Received: from jka (208.37.242.34.ptr.us.xo.net [208.37.242.34]) by morse.concentric.net [Concentric SMTP Relay 1.1] id i0CEu8w05533 for ; Mon, 12 Jan 2004 09:56:08 -0500 (EST) X-Bad-Message-ID: no DNS (jka) Message-ID: <001301c3d91c$76072fc0$09dc9384@jka> From: "John Andrews" To: rsgb_lf_group@blacksheep.org References: <007a01c3d870$20dd0bc0$0500a8c0@charter.net> <304614133.20040112111754@dx.ru> <002801c3d90b$b41134c0$0500a8c0@charter.net> <004401c3d914$cdb10690$1f00a8c0@dellboy> Date: Mon, 12 Jan 2004 09:57:55 -0500 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Re: Re: Re: First WOLF QSO! Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Dave, We did some tests a couple of years ago involving two similar stations near each other that were about 1800 km from me. One ran QRSS60, the other WOLF. I think we did the tests for about a week, and found similar results. Neither had a clear advantage over that period. The conclusion was that the effectiveness of WOLF was about the same as QRSS60. While our QSO of yesterday did not fully exercise WOLF's capability, do realize that we were receiving 15 characters in a 20 minute period. QRSS60 can't do that! As originally conceived by Stewart Nelson, the "reference channel" could be used to exchange signal report information. Neither that nor real-time decoding has been realized, however. It does remain an interesting mode, with a number of limitations as listed in Alan Melia's message of this morning. For U.S. Lowfers, bandwidth is not an issue, and the potential for anything but very local interference is limited. I do believe that gps-locked slower BPSK has more potential at LF, and am slowly working on getting set up for that. Underline the word "slowly," though! John Andrews, W1TAG From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 43108 invoked from network); 12 Jan 2004 13:01:49 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 12 Jan 2004 13:01:49 -0000 Received: (qmail 10882 invoked from network); 12 Jan 2004 13:01:49 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 12 Jan 2004 13:01:48 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Ag1hT-0002gB-TF for dave@picks.force9.co.uk; Mon, 12 Jan 2004 13:01:47 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ag1gU-0007Kk-S9 for rs_out@blacksheep.org; Mon, 12 Jan 2004 13:00:46 +0000 Received: from [209.225.28.218] (helo=mxsf18.cluster1.charter.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Ag1gT-0007KW-PX for rsgb_lf_group@blacksheep.org; Mon, 12 Jan 2004 13:00:45 +0000 X-Fake-Domain: johncellarnew Received: from johncellarnew (cpe-68-118-232-30.ma.charter.com [68.118.232.30]) by mxsf18.cluster1.charter.net (8.12.10/8.12.8) with SMTP id i0CCw0VI028694 for ; Mon, 12 Jan 2004 07:58:01 -0500 (EST) (envelope-from w1tag@charter.net) Message-ID: <002801c3d90b$b41134c0$0500a8c0@charter.net> From: "John Andrews" To: rsgb_lf_group@blacksheep.org References: <007a01c3d870$20dd0bc0$0500a8c0@charter.net> <304614133.20040112111754@dx.ru> Date: Mon, 12 Jan 2004 12:57:57 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Re: First WOLF QSO! Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Ed, > US's Lowfers have saved wide experience in reception of very weak > signals on LF - when already they will appear on 136 or 160-190kHz for > longway 2-way QSO with high-grade ERP? The proposal for an amateur band was turned down in May, 2003. It would be years before we could have another chance. There are already some experimental (non-amateur) licenses in that range, and hopefully more will be coming. > Whether who has made 2-way QSO on WOLF in Europe? I do not think that anyone else has done a 2-way QSO. The earlier activity has all been with beacons. > When (date) Stewart KK7KA has made WOLF mode? Early in 2001, I think. K0LR was transmitting in February, 2001, and he was the first in the U.S. John Andrews, W1TAG From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 59942 invoked from network); 11 Jan 2004 18:30:37 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 11 Jan 2004 18:30:37 -0000 Received: (qmail 80649 invoked from network); 11 Jan 2004 18:30:37 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 11 Jan 2004 18:30:35 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AfkM7-000Kri-0V for dave@picks.force9.co.uk; Sun, 11 Jan 2004 18:30:35 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AfkLp-0002s5-1f for rs_out@blacksheep.org; Sun, 11 Jan 2004 18:30:17 +0000 Received: from [209.225.28.230] (helo=mxsf30.cluster1.charter.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AfkLo-0002rd-18 for rsgb_lf_group@blacksheep.org; Sun, 11 Jan 2004 18:30:16 +0000 X-Fake-Domain: johncellarnew Received: from johncellarnew (cpe-68-118-232-30.ma.charter.com [68.118.232.30]) by mxsf30.cluster1.charter.net (8.12.10/8.12.8) with SMTP id i0BIOLKG065479; Sun, 11 Jan 2004 13:24:22 -0500 (EST) (envelope-from w1tag@charter.net) Message-ID: <007a01c3d870$20dd0bc0$0500a8c0@charter.net> From: "John Andrews" To: lowfer@mailman.qth.net Cc: rsgb_lf_group@blacksheep.org Date: Sun, 11 Jan 2004 18:24:19 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: First WOLF QSO! Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 After much trying, Lowfers NC and TAG (671 mile path) have finally succeeded with the first known WOLF QSO. We had tried this at night a couple of years ago, but the fading created a lot of missed copy. Testing in December, 2003 encouraged us to work in the daytime, but we just missed a period of good daylight propagation by waiting until after Christmas. We have been doing spot checks since, and tried again yesterday, following Dex's good copy of TAG on Friday. We couldn't make it go in both directions, however, and quit after a couple of hours. Following Alan Melia's suggestion that the daytime path might be good two days after a CME impact, we tried it again this morning. It worked! The results are spelled out in detail at: http://webpages.charter.net/w1tag/wolfqso.htm Thanks to Dex for his patience, to Alan for his advice, and to Stewart Nelson for writing the program. John Andrews, W1TAG From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 15918 invoked from network); 10 Jan 2004 13:33:28 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 10 Jan 2004 13:33:28 -0000 Received: (qmail 85820 invoked from network); 10 Jan 2004 13:33:28 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 10 Jan 2004 13:33:26 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AfJF0-000MDG-Ge for dave@picks.force9.co.uk; Sat, 10 Jan 2004 13:33:26 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AfJE9-0006cU-7L for rs_out@blacksheep.org; Sat, 10 Jan 2004 13:32:33 +0000 Received: from [209.225.28.207] (helo=mxsf07.cluster1.charter.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AfJE8-0006cA-7E for rsgb_lf_group@blacksheep.org; Sat, 10 Jan 2004 13:32:32 +0000 X-Fake-Domain: johncellarnew Received: from johncellarnew (cpe-68-118-232-30.ma.charter.com [68.118.232.30]) by mxsf07.cluster1.charter.net (8.12.10/8.12.8) with SMTP id i0ADUYb6066178 for ; Sat, 10 Jan 2004 08:30:36 -0500 (EST) (envelope-from w1tag@charter.net) Message-ID: <000d01c3d77e$19b2b860$0500a8c0@charter.net> From: "John Andrews" To: rsgb_lf_group@blacksheep.org References: <000501c3d6ff$f059b000$1f00a8c0@dellboy> Date: Sat, 10 Jan 2004 13:31:48 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: T/A tonight on 136 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Nothing identifiable was seen in the 135.922 area overnight. John Andrews, W1TAG From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 2623 invoked from network); 9 Jan 2004 23:26:03 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 9 Jan 2004 23:26:03 -0000 Received: (qmail 24616 invoked from network); 9 Jan 2004 23:26:02 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 9 Jan 2004 23:26:01 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Af60v-0006I1-Pt for dave@picks.force9.co.uk; Fri, 09 Jan 2004 23:26:01 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Af60Y-0001DU-Ab for rs_out@blacksheep.org; Fri, 09 Jan 2004 23:25:38 +0000 Received: from [209.225.28.214] (helo=mxsf14.cluster1.charter.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Af60X-0001DL-GT for rsgb_lf_group@blacksheep.org; Fri, 09 Jan 2004 23:25:37 +0000 X-Fake-Domain: johncellarnew Received: from johncellarnew (cpe-68-118-232-30.ma.charter.com [68.118.232.30]) by mxsf14.cluster1.charter.net (8.12.10/8.12.8) with SMTP id i09NNGcf081129 for ; Fri, 9 Jan 2004 18:23:16 -0500 (EST) (envelope-from w1tag@charter.net) Message-ID: <001701c3d707$bb340f80$0500a8c0@charter.net> From: "John Andrews" To: rsgb_lf_group@blacksheep.org References: <000501c3d6ff$f059b000$1f00a8c0@dellboy> <000c01c3d701$fae72fa0$0500a8c0@charter.net> <000c01c3d704$a9ef9e40$1f00a8c0@dellboy> Date: Fri, 9 Jan 2004 23:24:29 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Re: Re: TA tonight on 136 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Dave, Thanks for the info. Captures will be posted every 15 minutes at: http://webpages.charter.net/w1tag/135-1.jpg John Andrews From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 95120 invoked from network); 9 Jan 2004 22:45:40 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 9 Jan 2004 22:45:40 -0000 Received: (qmail 14043 invoked from network); 9 Jan 2004 22:45:40 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 9 Jan 2004 22:45:39 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Af5Nr-0003Xg-A2 for dave@picks.force9.co.uk; Fri, 09 Jan 2004 22:45:39 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Af5NW-0000TY-1P for rs_out@blacksheep.org; Fri, 09 Jan 2004 22:45:18 +0000 Received: from [209.225.28.207] (helo=mxsf07.cluster1.charter.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Af5NU-0000T8-VQ for rsgb_lf_group@blacksheep.org; Fri, 09 Jan 2004 22:45:17 +0000 X-Fake-Domain: johncellarnew Received: from johncellarnew (cpe-68-118-232-30.ma.charter.com [68.118.232.30]) by mxsf07.cluster1.charter.net (8.12.10/8.12.8) with SMTP id i09Mg6b6088684 for ; Fri, 9 Jan 2004 17:42:07 -0500 (EST) (envelope-from w1tag@charter.net) Message-ID: <000c01c3d701$fae72fa0$0500a8c0@charter.net> From: "John Andrews" To: rsgb_lf_group@blacksheep.org References: <000501c3d6ff$f059b000$1f00a8c0@dellboy> Date: Fri, 9 Jan 2004 22:43:19 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: T/A tonight on 136 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Dave, > Is anyone over there watching tonight, and if so, what do conditions look > like? I will be watching 135.919 - 135.925 starting at 2300. Argo 30 second slow screen. John Andrews From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 97435 invoked from network); 9 Jan 2004 13:01:25 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 9 Jan 2004 13:01:25 -0000 Received: (qmail 63346 invoked from network); 9 Jan 2004 13:01:25 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 9 Jan 2004 13:01:23 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AewGR-000GML-Hg for dave@picks.force9.co.uk; Fri, 09 Jan 2004 13:01:23 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AewFZ-0006kz-P3 for rs_out@blacksheep.org; Fri, 09 Jan 2004 13:00:29 +0000 Received: from [209.225.28.201] (helo=mxsf01.cluster1.charter.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AewFY-0006kS-1X for rsgb_lf_group@blacksheep.org; Fri, 09 Jan 2004 13:00:28 +0000 X-Fake-Domain: johncellarnew Received: from johncellarnew (cpe-68-118-232-30.ma.charter.com [68.118.232.30]) by mxsf01.cluster1.charter.net (8.12.10/8.12.8) with SMTP id i09CvRh9077431 for ; Fri, 9 Jan 2004 07:57:28 -0500 (EST) (envelope-from w1tag@charter.net) Message-ID: <000b01c3d6b0$4e3218c0$0500a8c0@charter.net> From: "John Andrews" To: rsgb_lf_group@blacksheep.org References: <3FFDD87C.F0EF0309@att.net> <3FFDDE47.C1107691@att.net> <006901c3d641$b90d70f0$1f00a8c0@dellboy> <005f01c3d659$8a589380$0500a8c0@charter.net> <000d01c3d689$77e9a3d0$1f00a8c0@dellboy> <000401c3d6a9$073c1120$0500a8c0@charter.net> <002101c3d6ad$d7079330$1f00a8c0@dellboy> Date: Fri, 9 Jan 2004 12:58:40 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: 183 kHz BC Q5 in NC at sunset! Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Dave, > Given that one of the big guns would probably have 15dB advantage on that > signal it might be worth monitoring reception until a peak is seen then > trying a CW call? Means staying up all night though! CW would have been very ambitious under those conditions. QRSS3 or 10 might have gotten the call sign through. My 3-second screen at that frequency is a horrid mess of Loran lines and local interference, however. The slow speed stuff has made the hobby possible in a location hardly suited for LF work. Others more out in the country might do better. John Andrews, W1TAG From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 21323 invoked from network); 9 Jan 2004 12:07:56 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 9 Jan 2004 12:07:56 -0000 Received: (qmail 85538 invoked from network); 9 Jan 2004 12:07:56 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 9 Jan 2004 12:07:54 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AevQg-000LzU-HO for dave@picks.force9.co.uk; Fri, 09 Jan 2004 12:07:54 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AevQ9-0005XJ-W7 for rs_out@blacksheep.org; Fri, 09 Jan 2004 12:07:21 +0000 Received: from [209.225.28.227] (helo=mxsf27.cluster1.charter.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AevQ9-0005We-26 for rsgb_lf_group@blacksheep.org; Fri, 09 Jan 2004 12:07:21 +0000 X-Fake-Domain: johncellarnew Received: from johncellarnew (cpe-68-118-232-30.ma.charter.com [68.118.232.30]) by mxsf27.cluster1.charter.net (8.12.10/8.12.8) with SMTP id i09C5LwM065186 for ; Fri, 9 Jan 2004 07:05:22 -0500 (EST) (envelope-from w1tag@charter.net) Message-ID: <000401c3d6a9$073c1120$0500a8c0@charter.net> From: "John Andrews" To: rsgb_lf_group@blacksheep.org References: <3FFDD87C.F0EF0309@att.net> <3FFDDE47.C1107691@att.net> <006901c3d641$b90d70f0$1f00a8c0@dellboy> <005f01c3d659$8a589380$0500a8c0@charter.net> <000d01c3d689$77e9a3d0$1f00a8c0@dellboy> Date: Fri, 9 Jan 2004 12:06:35 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: 183 kHz BC Q5 in NC at sunset! Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Dave, As it turned out, there were only two peaks that permitted any copy. Unfortunately, I goofed and didn't capture all of the first peak. It did show part of the "Y" and the complete "XM." Here is the section that WAS saved: http://webpages.charter.net/w1tag/files/YXM1.jpg A later capture on a 60 second screen again has the "XM": http://webpages.charter.net/w1tag/files/YXM2.jpg This qualifies for nothing, but is interesting to illustrate the duration of the peaks. No other signals were seen, though it looked like something was happening on 135923.0 several times. John Andrews, W1TAG From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 29589 invoked from network); 9 Jan 2004 02:39:41 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 9 Jan 2004 02:39:41 -0000 Received: (qmail 12404 invoked from network); 9 Jan 2004 02:39:41 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 9 Jan 2004 02:39:39 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AemYl-00030a-DO for dave@picks.force9.co.uk; Fri, 09 Jan 2004 02:39:39 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AemXy-0003hA-DW for rs_out@blacksheep.org; Fri, 09 Jan 2004 02:38:50 +0000 Received: from [209.225.28.213] (helo=mxsf13.cluster1.charter.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AemXx-0003d0-Eo for rsgb_lf_group@blacksheep.org; Fri, 09 Jan 2004 02:38:49 +0000 X-Fake-Domain: johncellarnew Received: from johncellarnew (cpe-68-118-232-30.ma.charter.com [68.118.232.30]) by mxsf13.cluster1.charter.net (8.12.10/8.12.8) with SMTP id i092aMmP043338 for ; Thu, 8 Jan 2004 21:36:23 -0500 (EST) (envelope-from w1tag@charter.net) Message-ID: <005f01c3d659$8a589380$0500a8c0@charter.net> From: "John Andrews" To: rsgb_lf_group@blacksheep.org References: <3FFDD87C.F0EF0309@att.net> <3FFDDE47.C1107691@att.net> <006901c3d641$b90d70f0$1f00a8c0@dellboy> Date: Fri, 9 Jan 2004 02:37:35 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: 183 kHz BC Q5 in NC at sunset! Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 I got the end of the "Y," followed by a clear "XM" on 135.920 ending around 0130. The signal then faded, and I had a half-hour of elevated local noise. As of 0230, I can see a faint trace on 135.920, but nothing identifiable. Will leave the captures running overnight. The screen is set for 60 second dots, and covers 135.919 to 135.922. Early risers might want to give it a try. Captures at: http://webpages.charter.net/w1tag/135-1.jpg John Andrews, W1TAG From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 88122 invoked from network); 9 Jan 2004 01:11:16 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 9 Jan 2004 01:11:16 -0000 Received: (qmail 687 invoked from network); 9 Jan 2004 01:11:15 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 9 Jan 2004 01:11:13 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AelBB-000PfD-4i for dave@picks.force9.co.uk; Fri, 09 Jan 2004 01:11:13 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AelAa-0002I5-Ms for rs_out@blacksheep.org; Fri, 09 Jan 2004 01:10:36 +0000 Received: from [209.225.28.224] (helo=mxsf24.cluster1.charter.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AelAX-0002HV-LD for rsgb_lf_group@blacksheep.org; Fri, 09 Jan 2004 01:10:33 +0000 X-Fake-Domain: johncellarnew Received: from johncellarnew (cpe-68-118-232-30.ma.charter.com [68.118.232.30]) by mxsf24.cluster1.charter.net (8.12.10/8.12.8) with SMTP id i09192ZC011794 for ; Thu, 8 Jan 2004 20:09:03 -0500 (EST) (envelope-from w1tag@charter.net) Message-ID: <003501c3d64d$574b89e0$0500a8c0@charter.net> From: "John Andrews" To: rsgb_lf_group@blacksheep.org References: <3FFDD87C.F0EF0309@att.net> <3FFDDE47.C1107691@att.net> <006901c3d641$b90d70f0$1f00a8c0@dellboy> Date: Fri, 9 Jan 2004 01:10:15 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: 183 kHz BC Q5 in NC at sunset! Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Dave, Keep sending! Am getting what I believe is your signal on 135.920 (exactly). Screen shots will follow when I have more copy. John Andrews, W1TAG From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 73546 invoked from network); 5 Jan 2004 01:06:54 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 5 Jan 2004 01:06:54 -0000 Received: (qmail 25982 invoked from network); 5 Jan 2004 01:06:54 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 5 Jan 2004 01:06:53 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AdJCn-0006eG-Bc for dave@picks.force9.co.uk; Mon, 05 Jan 2004 01:06:53 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdJCX-0002Tf-Jo for rs_out@blacksheep.org; Mon, 05 Jan 2004 01:06:37 +0000 Received: from [209.225.28.227] (helo=mxsf27.cluster1.charter.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AdJCW-0002TW-FY for rsgb_lf_group@blacksheep.org; Mon, 05 Jan 2004 01:06:36 +0000 X-Fake-Domain: johncellarnew Received: from johncellarnew (cpe-68-118-232-30.ma.charter.com [68.118.232.30]) by mxsf27.cluster1.charter.net (8.12.10/8.12.8) with SMTP id i0515OLU080170 for ; Sun, 4 Jan 2004 20:05:24 -0500 (EST) (envelope-from w1tag@charter.net) Message-ID: <006001c3d328$29368fa0$0500a8c0@charter.net> From: "John Andrews" To: rsgb_lf_group@blacksheep.org References: <8e.a662cb.2d2a08f3@aol.com> Date: Mon, 5 Jan 2004 01:06:33 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: TA beaconing Mon 0:15 UT Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 135.922 signals disappeared here about an hour ago. No sign of anything but noise. John Andrews From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 17912 invoked from network); 4 Jan 2004 23:38:57 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 4 Jan 2004 23:38:57 -0000 Received: (qmail 67316 invoked from network); 4 Jan 2004 23:38:57 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 4 Jan 2004 23:38:56 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AdHpg-000HOa-8J for dave@picks.force9.co.uk; Sun, 04 Jan 2004 23:38:56 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdHpM-00016A-UK for rs_out@blacksheep.org; Sun, 04 Jan 2004 23:38:36 +0000 Received: from [209.225.28.215] (helo=mxsf15.cluster1.charter.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AdHpL-00015L-LO for rsgb_lf_group@blacksheep.org; Sun, 04 Jan 2004 23:38:35 +0000 X-Fake-Domain: johncellarnew Received: from johncellarnew (cpe-68-118-232-30.ma.charter.com [68.118.232.30]) by mxsf15.cluster1.charter.net (8.12.10/8.12.8) with SMTP id i04NaTIN033971 for ; Sun, 4 Jan 2004 18:36:29 -0500 (EST) (envelope-from w1tag@charter.net) Message-ID: <003101c3d31b$bd52be00$0500a8c0@charter.net> From: "John Andrews" To: rsgb_lf_group@blacksheep.org References: Date: Sun, 4 Jan 2004 23:37:38 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Conditions Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Dex and I are both seeing CT1DRP as of 2330. John Andrews From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 43721 invoked from network); 4 Jan 2004 17:06:06 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 4 Jan 2004 17:06:06 -0000 Received: (qmail 7269 invoked from network); 4 Jan 2004 17:06:06 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 4 Jan 2004 17:06:05 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AdBhV-0001ma-56 for dave@picks.force9.co.uk; Sun, 04 Jan 2004 17:06:05 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdBgy-0003ao-FH for rs_out@blacksheep.org; Sun, 04 Jan 2004 17:05:32 +0000 Received: from [209.225.28.218] (helo=mxsf18.cluster1.charter.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AdBgx-0003ac-7A for rsgb_lf_group@blacksheep.org; Sun, 04 Jan 2004 17:05:31 +0000 X-Fake-Domain: johncellarnew Received: from johncellarnew (cpe-68-118-232-30.ma.charter.com [68.118.232.30]) by mxsf18.cluster1.charter.net (8.12.10/8.12.8) with SMTP id i04H3bg4076505 for ; Sun, 4 Jan 2004 12:03:38 -0500 (EST) (envelope-from w1tag@charter.net) Message-ID: <000f01c3d2e4$db6c7340$0500a8c0@charter.net> From: "John Andrews" To: rsgb_lf_group@blacksheep.org References: <6.0.1.1.2.20040103141953.027f19b0@POP3.freeler.nl> Date: Sun, 4 Jan 2004 17:04:46 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: TA test PA0SE Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Dick, The original screen shots are posted at: http://webpages.charter.net/w1tag/files/SNAG-0006.jpg http://webpages.charter.net/w1tag/files/SNAG-0007.jpg http://webpages.charter.net/w1tag/files/SNAG-0008.jpg John Andrews, W1TAG From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 66816 invoked from network); 4 Jan 2004 02:00:52 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 4 Jan 2004 02:00:52 -0000 Received: (qmail 99525 invoked from network); 4 Jan 2004 02:00:52 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 4 Jan 2004 02:00:51 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AcxZT-000Pmb-1n for dave@picks.force9.co.uk; Sun, 04 Jan 2004 02:00:51 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AcxZA-0006as-FJ for rs_out@blacksheep.org; Sun, 04 Jan 2004 02:00:32 +0000 Received: from [209.225.28.220] (helo=mxsf20.cluster1.charter.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AcxZ9-0006aj-L8 for rsgb_lf_group@blacksheep.org; Sun, 04 Jan 2004 02:00:31 +0000 X-Fake-Domain: johncellarnew Received: from johncellarnew (cpe-68-118-232-30.ma.charter.com [68.118.232.30]) by mxsf20.cluster1.charter.net (8.12.10/8.12.8) with SMTP id i041xvA6019177 for ; Sat, 3 Jan 2004 20:59:58 -0500 (EST) (envelope-from w1tag@charter.net) Message-ID: <005901c3d266$76f87f40$0500a8c0@charter.net> From: "John Andrews" To: rsgb_lf_group@blacksheep.org References: <5.2.0.9.2.20040104014313.00b2d1d0@pop.vianw.pt> Date: Sun, 4 Jan 2004 02:00:01 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: Re: TA beaconing Sat/Sun Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 A screen shot from the 0100 - 0200 hour may be seen at: http://webpages.charter.net/w1tag/files/DRPNM.jpg Brian is very clearly visible at the top, and Markus had a good stretch in the middle. I can't positively identify anyone else. John Andrews From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 5669 invoked from network); 4 Jan 2004 01:00:48 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 4 Jan 2004 01:00:48 -0000 Received: (qmail 65249 invoked from network); 4 Jan 2004 01:00:48 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 4 Jan 2004 01:00:47 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AcwdL-000Grb-BW for dave@picks.force9.co.uk; Sun, 04 Jan 2004 01:00:47 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Acwd6-0005o2-6c for rs_out@blacksheep.org; Sun, 04 Jan 2004 01:00:32 +0000 Received: from [209.225.28.219] (helo=mxsf19.cluster1.charter.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Acwd5-0005nt-D0 for rsgb_lf_group@blacksheep.org; Sun, 04 Jan 2004 01:00:31 +0000 X-Fake-Domain: johncellarnew Received: from johncellarnew (cpe-68-118-232-30.ma.charter.com [68.118.232.30]) by mxsf19.cluster1.charter.net (8.12.10/8.12.8) with SMTP id i040xaIr072407 for ; Sat, 3 Jan 2004 19:59:36 -0500 (EST) (envelope-from w1tag@charter.net) Message-ID: <004601c3d25e$082f9240$0500a8c0@charter.net> From: "John Andrews" To: rsgb_lf_group@blacksheep.org References: <9d.43019cc8.2d28aeed@aol.com> Date: Sun, 4 Jan 2004 00:59:40 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: TA beaconing Sat/Sun 23:20 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 As of 0100, I can identify pieces of CT1DRP and DF6NM, thanks to Marcus' list. Signals are improving... neither of those was visible an hour ago. John Andrews From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 82643 invoked from network); 4 Jan 2004 00:33:45 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 4 Jan 2004 00:33:45 -0000 Received: (qmail 16359 invoked from network); 4 Jan 2004 00:33:45 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 4 Jan 2004 00:33:43 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AcwD9-00048z-Od for dave@picks.force9.co.uk; Sun, 04 Jan 2004 00:33:43 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AcwCx-0005Lz-Pf for rs_out@blacksheep.org; Sun, 04 Jan 2004 00:33:31 +0000 Received: from [209.225.28.212] (helo=mxsf12.cluster1.charter.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AcwCw-0005La-RJ for rsgb_lf_group@blacksheep.org; Sun, 04 Jan 2004 00:33:30 +0000 X-Fake-Domain: johncellarnew Received: from johncellarnew (cpe-68-118-232-30.ma.charter.com [68.118.232.30]) by mxsf12.cluster1.charter.net (8.12.10/8.12.8) with SMTP id i040V51E046498 for ; Sat, 3 Jan 2004 19:31:06 -0500 (EST) (envelope-from w1tag@charter.net) Message-ID: <003201c3d25a$0c752800$0500a8c0@charter.net> From: "John Andrews" To: rsgb_lf_group@blacksheep.org References: <115.2d4f82ef.2d28b6b3@aol.com> Date: Sun, 4 Jan 2004 00:31:09 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: Re: TA beaconing Sat/Sun Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Markus, Thanks for the updates. Dex, Jay and I are watching, but there's not much to report yet. I seem to have a lot of local electrical noise tonight... hopefully that will calm down. John Andrews From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 10526 invoked from network); 3 Jan 2004 13:49:40 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 3 Jan 2004 13:49:40 -0000 Received: (qmail 69915 invoked from network); 3 Jan 2004 13:49:40 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 3 Jan 2004 13:49:36 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Acm9o-000I4S-Sr for dave@picks.force9.co.uk; Sat, 03 Jan 2004 13:49:36 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Acm9Y-000558-NJ for rs_out@blacksheep.org; Sat, 03 Jan 2004 13:49:20 +0000 Received: from [209.225.28.219] (helo=mxsf19.cluster1.charter.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Acm9X-00054y-Na for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 13:49:19 +0000 X-Fake-Domain: johncellarnew Received: from johncellarnew (cpe-68-118-232-30.ma.charter.com [68.118.232.30]) by mxsf19.cluster1.charter.net (8.12.10/8.12.8) with SMTP id i03DkUIr042238 for ; Sat, 3 Jan 2004 08:46:31 -0500 (EST) (envelope-from w1tag@charter.net) Message-ID: <003a01c3d200$26b78460$0500a8c0@charter.net> From: "John Andrews" To: rsgb_lf_group@blacksheep.org References: Date: Sat, 3 Jan 2004 13:47:38 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: TA 3 Jan Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Peter's signal was visible all night, and got considerably better after 0300. Here is a capture from 0630: http://webpages.charter.net/w1tag/files/SNAG-0039.jpg Final fadeout was about 0845. No other signals could be positively identified. There were some strange things going on, but I believe they were more local. Congratulations to Markus on being copied in AK. This is not his first pond-crossing, however. John Andrews, W1TAG From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 26496 invoked from network); 3 Jan 2004 03:07:06 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 3 Jan 2004 03:07:06 -0000 Received: (qmail 85386 invoked from network); 3 Jan 2004 03:07:06 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 3 Jan 2004 03:07:04 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Acc80-000M6X-TD for dave@picks.force9.co.uk; Sat, 03 Jan 2004 03:07:04 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Acc7U-0005e5-7B for rs_out@blacksheep.org; Sat, 03 Jan 2004 03:06:32 +0000 Received: from [209.225.28.226] (helo=mxsf26.cluster1.charter.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Acc7T-0005dY-5C for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 03:06:31 +0000 X-Fake-Domain: johncellarnew Received: from johncellarnew (cpe-68-118-232-30.ma.charter.com [68.118.232.30]) by mxsf26.cluster1.charter.net (8.12.10/8.12.8) with SMTP id i0335oSq013646 for ; Fri, 2 Jan 2004 22:05:51 -0500 (EST) (envelope-from w1tag@charter.net) Message-ID: <012e01c3d1a6$a6aae5e0$0500a8c0@charter.net> From: "John Andrews" To: rsgb_lf_group@blacksheep.org References: <1d2.1724e332.2d2764e6@aol.com> Date: Sat, 3 Jan 2004 03:06:58 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: TA beaconing update Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 As of 0300, Peter has been up and down, but is still visible. Nothing else seen here... will leave captures running overnight. W4DEX has some odd activity at 135922.3/4, but it's very faint. No sign of it here. John Andrews From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 11486 invoked from network); 3 Jan 2004 01:35:40 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 3 Jan 2004 01:35:40 -0000 Received: (qmail 17416 invoked from network); 3 Jan 2004 01:35:39 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 3 Jan 2004 01:35:39 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AcahW-0004QJ-Uk for dave@picks.force9.co.uk; Sat, 03 Jan 2004 01:35:39 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AcahP-0004UE-OO for rs_out@blacksheep.org; Sat, 03 Jan 2004 01:35:31 +0000 Received: from [209.225.28.223] (helo=mxsf23.cluster1.charter.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AcahP-0004Sx-1B for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 01:35:31 +0000 X-Fake-Domain: johncellarnew Received: from johncellarnew (cpe-68-118-232-30.ma.charter.com [68.118.232.30]) by mxsf23.cluster1.charter.net (8.12.10/8.12.8) with SMTP id i031YRnb086246 for ; Fri, 2 Jan 2004 20:34:27 -0500 (EST) (envelope-from w1tag@charter.net) Message-ID: <011d01c3d199$e21f2800$0500a8c0@charter.net> From: "John Andrews" To: rsgb_lf_group@blacksheep.org References: <1d2.1724e332.2d2764e6@aol.com> Date: Sat, 3 Jan 2004 01:35:34 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: TA beaconing update Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Still shaky copy of G3LDO at 0130, nothing else. John A. From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 77182 invoked from network); 3 Jan 2004 01:06:09 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 3 Jan 2004 01:06:09 -0000 Received: (qmail 85737 invoked from network); 3 Jan 2004 01:06:09 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 3 Jan 2004 01:06:08 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AcaEy-000MC6-9p for dave@picks.force9.co.uk; Sat, 03 Jan 2004 01:06:08 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AcaEe-00046w-58 for rs_out@blacksheep.org; Sat, 03 Jan 2004 01:05:48 +0000 Received: from [209.225.28.212] (helo=mxsf12.cluster1.charter.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AcaEd-00046U-7K for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 01:05:47 +0000 X-Fake-Domain: johncellarnew Received: from johncellarnew (cpe-68-118-232-30.ma.charter.com [68.118.232.30]) by mxsf12.cluster1.charter.net (8.12.10/8.12.8) with SMTP id i0313d1E081308 for ; Fri, 2 Jan 2004 20:03:40 -0500 (EST) (envelope-from w1tag@charter.net) Message-ID: <010501c3d195$9523f5c0$0500a8c0@charter.net> From: "John Andrews" To: rsgb_lf_group@blacksheep.org References: <1d2.1724e332.2d2764e6@aol.com> Date: Sat, 3 Jan 2004 01:04:47 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: TA beaconing update Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 As of 0100, Peter is slowly picking up, but no other sigs can be identified yet. John A. From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 22897 invoked from network); 3 Jan 2004 00:35:57 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 3 Jan 2004 00:35:57 -0000 Received: (qmail 62488 invoked from network); 3 Jan 2004 00:35:56 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 3 Jan 2004 00:35:54 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AcZli-000FzO-EI for dave@picks.force9.co.uk; Sat, 03 Jan 2004 00:35:54 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AcZlM-0003dF-Ia for rs_out@blacksheep.org; Sat, 03 Jan 2004 00:35:32 +0000 Received: from [209.225.28.227] (helo=mxsf27.cluster1.charter.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AcZlL-0003YB-Io for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 00:35:31 +0000 X-Fake-Domain: johncellarnew Received: from johncellarnew (cpe-68-118-232-30.ma.charter.com [68.118.232.30]) by mxsf27.cluster1.charter.net (8.12.10/8.12.8) with SMTP id i030Y9LU041504 for ; Fri, 2 Jan 2004 19:34:09 -0500 (EST) (envelope-from w1tag@charter.net) Message-ID: <00f201c3d191$75cae480$0500a8c0@charter.net> From: "John Andrews" To: rsgb_lf_group@blacksheep.org References: <1d2.1724e332.2d2764e6@aol.com> Date: Sat, 3 Jan 2004 00:35:16 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: TA beaconing update Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 As of 0030, am only seeing a faint trace of what may be G3LDO, based on Markus' lineup. Nothing else at present. John A. From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 71307 invoked from network); 2 Jan 2004 23:58:58 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 2 Jan 2004 23:58:58 -0000 Received: (qmail 80289 invoked from network); 2 Jan 2004 23:58:58 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 2 Jan 2004 23:58:57 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AcZBx-000KmL-Ju for dave@picks.force9.co.uk; Fri, 02 Jan 2004 23:58:57 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AcZBZ-00039B-Jx for rs_out@blacksheep.org; Fri, 02 Jan 2004 23:58:33 +0000 Received: from [209.225.28.217] (helo=mxsf17.cluster1.charter.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AcZBY-000392-Gf for rsgb_lf_group@blacksheep.org; Fri, 02 Jan 2004 23:58:32 +0000 X-Fake-Domain: johncellarnew Received: from johncellarnew (cpe-68-118-232-30.ma.charter.com [68.118.232.30]) by mxsf17.cluster1.charter.net (8.12.10/8.12.8) with SMTP id i02Nvqqf016551 for ; Fri, 2 Jan 2004 18:57:53 -0500 (EST) (envelope-from w1tag@charter.net) Message-ID: <00dd01c3d18c$64826680$0500a8c0@charter.net> From: "John Andrews" To: rsgb_lf_group@blacksheep.org References: <57.265678c3.2d275613@aol.com> Date: Fri, 2 Jan 2004 23:59:00 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: TA beaconing Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Markus, >tonight's Eu beacons at 23:15 UT are / were... Nothing seen thus far. John Andrews, W1TAG From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 58736 invoked from network); 22 Jan 2004 16:13:27 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 22 Jan 2004 16:13:27 -0000 Received: (qmail 7782 invoked from network); 22 Jan 2004 16:13:27 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 22 Jan 2004 16:13:26 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AjhSP-0001uc-VD for dave@picks.force9.co.uk; Thu, 22 Jan 2004 16:13:26 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AjhRH-0003X5-3i for rs_out@blacksheep.org; Thu, 22 Jan 2004 16:12:15 +0000 Received: from [194.247.47.231] (helo=mailout.zetnet.co.uk) by post.thorcom.com with esmtp (Exim 4.14) id 1AjhRG-0003Ww-I2 for rsgb_lf_group@blacksheep.org; Thu, 22 Jan 2004 16:12:14 +0000 Received: from irwell.zetnet.co.uk ([194.247.47.48] helo=zetnet.co.uk) by mailout.zetnet.co.uk with esmtp (Exim 3.36 #1 (Debian)) id 1AjhRG-00036H-00 for ; Thu, 22 Jan 2004 16:12:14 +0000 X-Fake-Domain: johnb5a82ea1a4 Received: from johnb5a82ea1a4 (bts-0870.dialup.zetnet.co.uk [194.247.51.102]) by zetnet.co.uk (8.12.3/8.12.3/Debian-6.6.zet1) with ESMTP id i0MGC8Vw002847 for ; Thu, 22 Jan 2004 16:12:13 GMT X-Bad-Message-ID: no DNS (johnb5a82ea1a4) Message-ID: <006801c3e102$8c730c00$6633f7c2@johnb5a82ea1a4> From: "John Rabson" To: rsgb_lf_group@blacksheep.org References: <000c01c3e02e$600a21a0$01eafc3e@l8p8y6> Date: Thu, 22 Jan 2004 16:11:25 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: SOFT START Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 It's when a bank of capacitors totalling a quarter of a Farad at 24 volts is connected with wrong polarity that things start to get spectacular. 73 John G3PAI ----- Original Message ----- From: "hamilton mal" To: Sent: Wednesday, January 21, 2004 2:53 PM Subject: LF: SOFT START Hi All Surprisingly, most high power amps do not have a SOFT START, and judging by the thump at times on switch on, it is even more surprising that the power supply does not explode. In recent times I use a variac and gradually adjust it to full voltages. This is overkill and a more simple cct would suffice. I lost one mains transformer a few years ago and the replacement cost more than the amp was worth. Some of the PSU'S for low voltage high current FET AMPS used in LF applications are even more vunerable ie 12 - 24 V at 20 - 100 A. Most Amateurs that I have spoken to do not realize the danger involved. One of the bean can size electrolytics 200 mfd capacity exploding would be like firing a mortar, probably demolish the house in some cases. The stone built country house would probably survive.If you are dabbling with QRP there is no need to worry. 73 de Mal/G3KEV From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 3138 invoked from network); 19 Jan 2004 12:25:34 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 19 Jan 2004 12:25:34 -0000 Received: (qmail 49894 invoked from network); 19 Jan 2004 12:25:34 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 19 Jan 2004 12:25:33 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AiYTE-000CnG-RM for dave@picks.force9.co.uk; Mon, 19 Jan 2004 12:25:32 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AiYSu-0001JT-TN for rs_out@blacksheep.org; Mon, 19 Jan 2004 12:25:12 +0000 Received: from [194.247.47.231] (helo=mailout.zetnet.co.uk) by post.thorcom.com with esmtp (Exim 4.14) id 1AiYSt-0001JK-Cf for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 12:25:11 +0000 Received: from irwell.zetnet.co.uk ([194.247.47.48] helo=zetnet.co.uk) by mailout.zetnet.co.uk with esmtp (Exim 3.36 #1 (Debian)) id 1AiYSs-000773-00 for ; Mon, 19 Jan 2004 12:25:10 +0000 X-Fake-Domain: johnb5a82ea1a4 Received: from johnb5a82ea1a4 (bts-0221.dialup.zetnet.co.uk [194.247.48.221]) by zetnet.co.uk (8.12.3/8.12.3/Debian-6.6.zet1) with ESMTP id i0JCP8gx013672 for ; Mon, 19 Jan 2004 12:25:09 GMT X-Bad-Message-ID: no DNS (johnb5a82ea1a4) Message-ID: <00c601c3de87$5462faf0$dd30f7c2@johnb5a82ea1a4> From: "John Rabson" To: rsgb_lf_group@blacksheep.org References: <000d01c3de82$b510d5c0$5967fea9@p4o2b7> Date: Mon, 19 Jan 2004 12:25:21 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: LF Activity. Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Ian, Sorry to see you go, but many thanks for your contributions to the art and your encouragement of others. May I call upon your expertise from time to time when trying to resolve weak signal and low SNR problems (these continue to arise with subterranean activities)? I hope your health will improve. Regards, John Rabson G3PAI Editor Cave Radio and Electronics Group Journal British Cave Research Association Tel: +44 (0)1394 460 298 Fax: +44 (0)1is394 420 795 ----- Original Message ----- From: "Ian Kyle" To: Sent: Monday, January 19, 2004 11:51 AM Subject: LF: LF Activity. > Good morning all, > this posting is simply to inform any interested party or parties that as > from 1300z today I am quitting LF. > Poor health coupled with bad weather has meant that there is a backlog of > repair work needed on the "outside bits" (as well as a new TX) and I no > longer have either the physical or mental resources to undertake all this > work - never mind any motivation. > It has been interesting and fun, but there are other things I wish to try so > this afternoon the LF antenna will come down. I shall remain on the > reflector for a while yet, so 'bye for now' to all those with whom I have > had enjoyable contact - either on air or by e-mail. > > 73 de, > > Ian GI8AYZ/MI0AYZ > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 57780 invoked from network); 14 Jan 2004 17:05:07 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 14 Jan 2004 17:05:07 -0000 Received: (qmail 21302 invoked from network); 14 Jan 2004 17:05:06 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 14 Jan 2004 17:05:05 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AgoS0-0005QY-V6 for dave@picks.force9.co.uk; Wed, 14 Jan 2004 17:05:05 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AgoRf-00084c-0z for rs_out@blacksheep.org; Wed, 14 Jan 2004 17:04:43 +0000 Received: from [194.247.47.231] (helo=mailout.zetnet.co.uk) by post.thorcom.com with esmtp (Exim 4.14) id 1AgoRe-00084T-Ib for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 17:04:42 +0000 Received: from irwell.zetnet.co.uk ([194.247.47.48] helo=zetnet.co.uk) by mailout.zetnet.co.uk with esmtp (Exim 3.36 #1 (Debian)) id 1AgoRe-0003xu-00 for ; Wed, 14 Jan 2004 17:04:42 +0000 X-Fake-Domain: johnb5a82ea1a4 Received: from johnb5a82ea1a4 (bts-0114.dialup.zetnet.co.uk [194.247.48.114]) by zetnet.co.uk (8.12.3/8.12.3/Debian-6.6.zet1) with ESMTP id i0EH4ebx004588 for ; Wed, 14 Jan 2004 17:04:41 GMT X-Bad-Message-ID: no DNS (johnb5a82ea1a4) Message-ID: <008c01c3dac0$8caa8fb0$f031f7c2@johnb5a82ea1a4> From: "John Rabson" To: rsgb_lf_group@blacksheep.org References: <5.1.0.14.0.20040114120559.0329e590@u0019445.kuleuven.be> <001301c3daa0$082634d0$0702a8c0@parissn2> Date: Wed, 14 Jan 2004 16:38:51 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: IZE versus ISE (was Timing GPS) Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Fifty years ago, the rule for British English was that if the word derived from ancient Greek and had a zeta in the suffix it should use '-ize', otherwise '-ise'. Words with a sigma in the suffix were supposed to use '-ise' even then. Anything of Latin originthis was always supposed to use'-ise'. Nowadays common usage is -ise for almost everything. For a fuller discussion, see page 28 of The Times for Tuesday January 13 2004. Regarding Rik's spelling checker, I find that with Microsoft Word set to British English, I'm still sometimes reprimanded for using '-ise'. 73 John Rabson G3PAI From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 57794 invoked from network); 14 Jan 2004 17:05:07 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 14 Jan 2004 17:05:07 -0000 Received: (qmail 54999 invoked from network); 14 Jan 2004 17:05:06 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 14 Jan 2004 17:05:05 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AgoS0-000EBx-V9 for dave@picks.force9.co.uk; Wed, 14 Jan 2004 17:05:05 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AgoRg-00084p-Gi for rs_out@blacksheep.org; Wed, 14 Jan 2004 17:04:44 +0000 Received: from [194.247.47.231] (helo=mailout.zetnet.co.uk) by post.thorcom.com with esmtp (Exim 4.14) id 1AgoRg-00084g-3R for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 17:04:44 +0000 Received: from irwell.zetnet.co.uk ([194.247.47.48] helo=zetnet.co.uk) by mailout.zetnet.co.uk with esmtp (Exim 3.36 #1 (Debian)) id 1AgoRf-0003xw-00 for ; Wed, 14 Jan 2004 17:04:43 +0000 X-Fake-Domain: johnb5a82ea1a4 Received: from johnb5a82ea1a4 (bts-0114.dialup.zetnet.co.uk [194.247.48.114]) by zetnet.co.uk (8.12.3/8.12.3/Debian-6.6.zet1) with ESMTP id i0EH4ec1004588 for ; Wed, 14 Jan 2004 17:04:42 GMT X-Bad-Message-ID: no DNS (johnb5a82ea1a4) Message-ID: <008d01c3dac0$8d7a62d0$f031f7c2@johnb5a82ea1a4> From: "John Rabson" To: rsgb_lf_group@blacksheep.org References: <000b01c3da88$611cf140$9f96883e@d6y6c7> <5.1.0.14.0.20040114153159.0359fdd8@u0019445.kuleuven.be> Date: Wed, 14 Jan 2004 16:43:00 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: lf andnoise and offshore. Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 I seem to recall from an old version of Reference Data for Radio Engineers that transatlantic liners on 143 kHz could achieve a radiation efficiency of nearly 2% with their flattops slung between the funnels. 73 John Rabson G3PAI From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 58310 invoked from network); 13 Jan 2004 08:50:36 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 13 Jan 2004 08:50:36 -0000 Received: (qmail 28894 invoked from network); 13 Jan 2004 08:50:35 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 13 Jan 2004 08:50:34 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AgKFu-0007Ot-Fn for dave@picks.force9.co.uk; Tue, 13 Jan 2004 08:50:34 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AgKEx-0005B8-6Z for rs_out@blacksheep.org; Tue, 13 Jan 2004 08:49:35 +0000 Received: from [194.247.47.231] (helo=mailout.zetnet.co.uk) by post.thorcom.com with esmtp (Exim 4.14) id 1AgKEw-0005Az-Nt for rsgb_lf_group@blacksheep.org; Tue, 13 Jan 2004 08:49:34 +0000 Received: from irwell.zetnet.co.uk ([194.247.47.48] helo=zetnet.co.uk) by mailout.zetnet.co.uk with esmtp (Exim 3.36 #1 (Debian)) id 1AgKEs-0005EO-00; Tue, 13 Jan 2004 08:49:30 +0000 X-Fake-Domain: johnb5a82ea1a4 Received: from johnb5a82ea1a4 (bts-0463.dialup.zetnet.co.uk [194.247.49.207]) by zetnet.co.uk (8.12.3/8.12.3/Debian-6.6.zet1) with ESMTP id i0D8nRa6023998; Tue, 13 Jan 2004 08:49:28 GMT X-Bad-Message-ID: no DNS (johnb5a82ea1a4) Message-ID: <005001c3d9b2$2754a290$cf31f7c2@johnb5a82ea1a4> From: "John Rabson" To: LF_VLF_ELF@yahoogroupes.fr Cc: rsgb_lf_group@blacksheep.org References: <8840D182F8BB7540B173D2B1FA0CA9AB018AE1C3@argos.clb.tcfr.thales> Date: Tue, 13 Jan 2004 08:49:16 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: [LF_VLF_ELF] AMSAT-France balloons Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi, As there is an LF/VLF part to this activity, may I suggest you also post it (and anything similar) to rsgb_lf_group@blacksheep.org (I would have replied in French, but I am having problems with my French language dictation software). 73 John Rabson G3PAI REF 15955 ----- Original Message ----- From: To: Cc: ; ; ; Sent: Tuesday, January 13, 2004 7:35 AM Subject: [LF_VLF_ELF] AMSAT-France balloons > Hi all > > At the end of 2003, AMSAT-France proposed to french amateurs some free place > onboard their 2004 balloons for any scientific interesting experiences. > Two projects have been selected: > - a first payload designed par Jean-Paul F5BU consisting in a miniaturised > data logger (the purpose of which is to study long duration flights of sea > birds like albatros, as well as penguins deep divings) > - a second one, developped by Thierry Alves, which is a VLF receiver with a > VHF or UHF radio downlink. > > The first launch is planned at the end of april 2004, the second one should > take place around november 2004. > The duration of each flight is about 3 hours, the maximum altitude should be > around 100 000 feet. > The VLF data transmitted via a 144 MHz or a 432 MHz FM transmitter should be > audible with radioamateur means in France, BENELUX, part of UK and Germany, > and Switzerland. > > 73 de Jean-Louis F6AGR > President AMSAT-F > > Pour vous désinscrire de ce groupe, envoyez un e-mail ŕ : > LF_VLF_ELF-unsubscribe@yahoogroupes.fr > > > > L'utilisation du service Yahoo! Groupes est soumise ŕ l'acceptation des > Conditions d'utilisation et de la Charte sur la vie privée, disponibles > respectivement sur http://fr.docs.yahoo.com/info/utos.html et > http://fr.docs.yahoo.com/info/privacy.html > > > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 51240 invoked from network); 12 Jan 2004 08:54:16 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 12 Jan 2004 08:54:16 -0000 Received: (qmail 11526 invoked from network); 12 Jan 2004 08:54:15 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 12 Jan 2004 08:54:14 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Afxpu-0002t4-RW for dave@picks.force9.co.uk; Mon, 12 Jan 2004 08:54:14 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Afxpc-0002GA-DM for rs_out@blacksheep.org; Mon, 12 Jan 2004 08:53:56 +0000 Received: from [194.247.47.231] (helo=mailout.zetnet.co.uk) by post.thorcom.com with esmtp (Exim 4.14) id 1Afxpc-0002G1-0C for rsgb_lf_group@blacksheep.org; Mon, 12 Jan 2004 08:53:56 +0000 Received: from irwell.zetnet.co.uk ([194.247.47.48] helo=zetnet.co.uk) by mailout.zetnet.co.uk with esmtp (Exim 3.36 #1 (Debian)) id 1Afxpa-0004zz-00 for ; Mon, 12 Jan 2004 08:53:54 +0000 X-Fake-Domain: johnb5a82ea1a4 Received: from johnb5a82ea1a4 (bts-0977.dialup.zetnet.co.uk [194.247.51.209]) by zetnet.co.uk (8.12.3/8.12.3/Debian-6.6.zet1) with ESMTP id i0C8rqQ7010321 for ; Mon, 12 Jan 2004 08:53:53 GMT X-Bad-Message-ID: no DNS (johnb5a82ea1a4) Message-ID: <006001c3d8e9$9b48b980$d133f7c2@johnb5a82ea1a4> From: "John Rabson" To: rsgb_lf_group@blacksheep.org References: <5047BBB4.205C80C5.0000CE2C@aol.com> <001301c3d88e$844a66d0$ee9bfea9@oben> Date: Mon, 12 Jan 2004 08:45:14 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: T2-ringing Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 ----- Original Message ----- From: "dj9dw" > [...] I even thought of the PSU, which is stabilized by 5 > times 3055. Is that cazy? No. If you get inexplicable behaviour in a piece of electronics and none of the obvious things cure it, check the purity of the DC supply rails. This I learned many years ago when working for STC on stabilised power supplies. 73 John Rabson G3PAI From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 23789 invoked from network); 4 Jan 2004 13:03:46 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 4 Jan 2004 13:03:46 -0000 Received: (qmail 91189 invoked from network); 4 Jan 2004 13:03:46 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 4 Jan 2004 13:03:45 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Ad7uz-000Nc2-Ao for dave@picks.force9.co.uk; Sun, 04 Jan 2004 13:03:45 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ad7up-0008PL-2D for rs_out@blacksheep.org; Sun, 04 Jan 2004 13:03:35 +0000 Received: from [194.247.47.231] (helo=mailout.zetnet.co.uk) by post.thorcom.com with esmtp (Exim 4.14) id 1Ad7uo-0008PB-8W for rsgb_lf_group@blacksheep.org; Sun, 04 Jan 2004 13:03:34 +0000 Received: from irwell.zetnet.co.uk ([194.247.47.48] helo=zetnet.co.uk) by mailout.zetnet.co.uk with esmtp (Exim 3.36 #1 (Debian)) id 1Ad7un-0003D4-00 for ; Sun, 04 Jan 2004 13:03:33 +0000 X-Fake-Domain: johnb5a82ea1a4 Received: from johnb5a82ea1a4 (bts-0951.dialup.zetnet.co.uk [194.247.51.183]) by zetnet.co.uk (8.12.3/8.12.3/Debian-6.6.zet1) with ESMTP id i04D3RQw001352 for ; Sun, 4 Jan 2004 13:03:27 GMT X-Bad-Message-ID: no DNS (johnb5a82ea1a4) Message-ID: <000601c3d2c3$2bd34e70$b733f7c2@johnb5a82ea1a4> From: "John Rabson" To: rsgb_lf_group@blacksheep.org References: <6.0.1.1.2.20031229161651.027e8660@POP3.freeler.nl> <000001c3d009$acf7a620$c7e47f50@Smisan> <6.0.1.1.2.20040103121138.0280f960@POP3.freeler.nl> Date: Sun, 4 Jan 2004 09:39:06 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: Re: "T" versus "L"aerial Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.7 required=5.0 tests=DATE_IN_PAST_03_06 autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 How much horizontally polarised skywave is there and how well does it propagate? Would it be worth constructing an aerial that favoured skywave? 73 John Rabson G3PAI ----- Original Message ----- From: "Dick Rollema" To: Sent: Saturday, January 03, 2004 11:30 AM Subject: RE: LF: Re: "T" versus "L"aerial > To All from PA0SE, > > Mike, PC4M, wrote: > > At 02:50 1-1-04, you wrote: > >Dear Dick / Bob and Lofers, > > > >Does the computer calculate the earth losses in the return path from the > >aerial system to the transmitter? If it would then the earth losses in a T > >should have been significantly less then the L alternative. There are two > >separate return currents > >(parallel resistance) and each with a smaler physical length (lower > >R-earth) in a T system resulting in more ERP if compared to an L system. > > In the computer simulation no resistances were included. That means that > the 1 kW fed to the aerial is completely radiated. Even an extremelly short > vertical with no top load would do so and produce the calculated 29.9mV/m > at 10km > > Bu the point raised by Bob, ZL2CA, was that the current in the single wire > topload of the "L" would generate a horizontally polarised field. In the > "T" the currents in the two topload wires flow in opposite directions so > the horizontally polarised fields caused by these currents would at least > partially cancel each other. > The horizontally polarised field is radiated as a sky wave and the power in > it detracts from that in the vertically polarised field of the ground wave. > If the above reasoning were correct it could be expected that the "T" would > produce a stronger ground wave than the "L" because less power disappears > in the horizontally polarised sky wave. > The simulation has shown that this is not the case. > > The subject of losses in the earth and surrounding objects has been > treated very well by Jim, M0BMU, in his e-mail. > > 73, Dick, PA0SE > > > >-----Oorspronkelijk bericht----- > >Van: owner-rsgb_lf_group@blacksheep.org > >[mailto:owner-rsgb_lf_group@blacksheep.org] Namens Dick Rollema > >Verzonden: maandag 29 december 2003 16:37 > >Aan: rsgb_lf_group@blacksheep.org > >Onderwerp: Re: LF: Re: "T" versus "L"aerial > > > >To All from PA0SE > > > >Bob, ZL2AC wrote: > > > > > > > >Dick PA0SE, > > > >Fine on the test result. As you stated, the tested T has twice the amount > >of top loading wire (2x 20 metres) than the L (1x 20 metres). > > > >It would be interesting to know if a T is better than an L for constant > >length top loading i.e. what the difference is if the upwire joins at the > >end or the middle of the horizontal top wire (theory suggests the T is > >better as there is minimal horizontally polarised component). > > > >Bob, I cannot answer your question by a practical experiment but used > >computer simulation instead by means of K6STI's program Antenna Optimizer. > > > >I modeled two antennas with a vertical element of 20m. One an Inverted > >L-antenna with a horizontal top load wire of 40m. The other a T-antenna > >with a top load of 2 x 20m. > >Both antennas without losses, over perfect ground and fed with 1kW. > > > >At a distance of 10km (so well outside the near field region) and over > >perfect ground both antennas produced a vertically polarised field of > >29.9mV/m. The horizontally polarised field was zero; but this is to be > >expected because over a perfect conducting ground a horizontal field > >component cannot exist. > > > >73, Dick, PA0SE > > > >Original message: > > > > > >To: LF-Group > >Sent: Sunday, December 28, 2003 3:09 AM > >Subject: LF: "T" versus "L"aerial > >To All from PA0SE > >Further to my e-mail of 26 December I measured the field strength as > >radiated by the aerial in > >Inverted L-configuration. From this I found EMRP = 57 milliwatt. > >This confirms the benificial effect of top loading. The T-aerial radiated > >140 milliwatt. > >So going from a single 20m top load wire for the "L" to 2 x 20m for the > >"T" resulted in an improvement by a factor 2.46 (3.9dB) in radiated power. > >The vertical part of the "T" consisted of an open wire feedline of 11m > >with the two wires connected in parallel in the attic shack. For the "L" > >one of the feedline wires was removed. I assume this did not appreciably > >affect the EMRP. > >73, Dick, PA0SE > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 80687 invoked from network); 19 Jan 2004 22:45:26 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 19 Jan 2004 22:45:26 -0000 Received: (qmail 30603 invoked from network); 19 Jan 2004 22:45:25 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 19 Jan 2004 22:45:20 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Aii92-0007Zb-L1 for dave@picks.force9.co.uk; Mon, 19 Jan 2004 22:45:20 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Aii8M-0005EU-Lv for rs_out@blacksheep.org; Mon, 19 Jan 2004 22:44:38 +0000 Received: from [213.4.129.150] (helo=telesmtp3.mail.isp) by post.thorcom.com with esmtp (Exim 4.14) id 1Aii8M-0005EL-10 for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 22:44:38 +0000 X-Fake-Domain: BI57429bankinter Received: from BI57429bankinter ([81.41.168.128]) by telesmtp3.mail.isp (terra.es) with ESMTP id HRRDUC00.79Y for ; Mon, 19 Jan 2004 23:44:36 +0100 X-Bad-Message-ID: no DNS (BI57429bankinter) Message-ID: <004001c3dedd$be08eae0$80a82951@BI57429bankinter> From: =?iso-8859-1?Q?Jos=E9_Manuel?= To: rsgb_lf_group@blacksheep.org References: <001301c3de7a$dade8b60$fe79a8c0@PCVONWALTER> <4010040925.20040119114525@dx.ru> <000a01c3dea1$7a180000$6507a8c0@Main> Date: Mon, 19 Jan 2004 23:44:03 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: Re: RU6LA acty Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi Alan, Ed and all: I think that the Machta-Porto and Machta-La Coruńa paths are very similar (about 3700 km), but this weekend I realized that the peaks and the deeps of the signals at this end of the hop didn´t coincide at the same time. Can be this considered logic? 73 de José, EA1PX ----- Original Message ----- From: "Alan Melia" To: Sent: Monday, January 19, 2004 4:32 PM Subject: LF: Re: RU6LA acty > > ----- Original Message ----- > From: "Ed Lesnichy" > To: > Sent: 19 January 2004 11:45 > Subject: LF: RU6LA acty > > > > Dear LF-enthusiasts! > > Some conclusions from last acty: the propagation was very unstable on > > a distance up to 3000km at the night but for me there was by a surprise > > a very good and stable propagation to daytime (Jan 18) > > Hi Ed, I guess I was a bit too optimistic. The geomagnetic condition > continued to be unsettled (Kp=4) and precipitate electrons into the D-layer. > The result was to "top-up" a "reflecting" daytime layer at about 50kms, > giving enhanced daytime propagation, but at night, persistant ionisation > gave absorption, limiting levels but with fairly short period deep fading. I > have a plot from Brian from the 17th that displays this. The daytime > enhancement between DCF39 and CT1 was 10dB higher than average at 1200z. > Brian's daytime signal from DCF39 is by skywave and on average is some 20dB > above the groundwave signal at about mid-day. It normally needs a major > geomag storm in the summer to give enhancement of of 10dB on top of this in > daytime. > > Thanks for your efforts > Regards de Alan G3NYK > alan..melia@btinternet.com > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 33106 invoked from network); 11 Jan 2004 23:27:12 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 11 Jan 2004 23:27:12 -0000 Received: (qmail 97455 invoked from network); 11 Jan 2004 23:27:12 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 11 Jan 2004 23:27:11 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Afoz9-000PF8-Os for dave@picks.force9.co.uk; Sun, 11 Jan 2004 23:27:11 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Afoyb-0008HY-HV for rs_out@blacksheep.org; Sun, 11 Jan 2004 23:26:37 +0000 Received: from [213.4.129.150] (helo=telesmtp4.mail.isp) by post.thorcom.com with esmtp (Exim 4.14) id 1AfoyY-0008HP-IJ for rsgb_lf_group@blacksheep.org; Sun, 11 Jan 2004 23:26:34 +0000 X-Fake-Domain: BI57429bankinter Received: from BI57429bankinter ([81.41.168.181]) by telesmtp4.mail.isp (terra.es) with ESMTP id HRCMG901.FC3 for ; Mon, 12 Jan 2004 00:26:33 +0100 X-Bad-Message-ID: no DNS (BI57429bankinter) Message-ID: <002201c3d89a$44351ac0$b5a82951@BI57429bankinter> From: =?iso-8859-1?Q?Jos=E9_Manuel?= To: rsgb_lf_group@blacksheep.org Date: Mon, 12 Jan 2004 00:25:56 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: =?iso-8859-1?Q?LF:_Dot=B4s?= Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.2 required=5.0 tests=HTML_50_60,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
Hi all:
 
Does anyone receive a continuous transmission of dot and spaces at about 12 secs period, on 135914.1 Hz?
 
73 de José, EA1PX
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 71236 invoked from network); 30 Jan 2004 21:59:46 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 30 Jan 2004 21:59:46 -0000 Received: (qmail 4243 invoked from network); 30 Jan 2004 21:59:46 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 30 Jan 2004 21:59:45 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim 4.30; FreeBSD) id 1Amgfx-0000yZ-G6 for dave@picks.force9.co.uk; Fri, 30 Jan 2004 21:59:45 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AmgfH-00072n-N9 for rs_out@blacksheep.org; Fri, 30 Jan 2004 21:59:03 +0000 Received: from [64.4.35.75] (helo=hotmail.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AmgfE-0006z9-Sb for rsgb_lf_group@blacksheep.org; Fri, 30 Jan 2004 21:59:01 +0000 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Fri, 30 Jan 2004 13:47:18 -0800 Received: from 136.226.254.148 by by12fd.bay12.hotmail.msn.com with HTTP; Fri, 30 Jan 2004 21:47:18 GMT X-Originating-IP: [136.226.254.148] X-Originating-Email: [hellozerohellozero@hotmail.com] X-Sender: hellozerohellozero@hotmail.com From: "Laurence KL1X" To: rsgb_lf_group@blacksheep.org, lowfer@mailman.qth.net Date: Fri, 30 Jan 2004 12:47:18 -0900 MIME-Version: 1.0 Message-ID: X-OriginalArrivalTime: 30 Jan 2004 21:47:18.0647 (UTC) FILETIME=[A2007070:01C3E77A] Subject: LF: Off Content-Type: text/plain; charset=iso-8859-1; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 KL1X.com will be intermittent then off (!) from around 2 Feb when I spool down the IIS server at home. The LWCA link to lowfer beacon status page will break at this time as well as the other links. Hopefully it will return sometime in the future. Good luck and lets hope for more quietish conditions.... Laurence KL1X - back in Alaska for a week packing. _________________________________________________________________ Learn how to choose, serve, and enjoy wine at Wine @ MSN. http://wine.msn.com/ From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 56212 invoked from network); 13 Jan 2004 14:37:39 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 13 Jan 2004 14:37:39 -0000 Received: (qmail 53770 invoked from network); 13 Jan 2004 14:37:37 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 13 Jan 2004 14:37:32 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AgPfg-000DXO-HK for dave@picks.force9.co.uk; Tue, 13 Jan 2004 14:37:32 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AgPey-0003kh-81 for rs_out@blacksheep.org; Tue, 13 Jan 2004 14:36:48 +0000 Received: from [64.4.23.35] (helo=hotmail.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AgPex-0003kR-4P for rsgb_lf_group@blacksheep.org; Tue, 13 Jan 2004 14:36:47 +0000 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Tue, 13 Jan 2004 06:36:15 -0800 Received: from 136.226.254.148 by lw15fd.law15.hotmail.msn.com with HTTP; Tue, 13 Jan 2004 14:36:15 GMT X-Originating-IP: [136.226.254.148] X-Originating-Email: [hellozerohellozero@hotmail.com] X-Sender: hellozerohellozero@hotmail.com From: "Laurence KL1X" To: rsgb_lf_group@blacksheep.org Date: Tue, 13 Jan 2004 05:36:15 -0900 MIME-Version: 1.0 Message-ID: X-OriginalArrivalTime: 13 Jan 2004 14:36:15.0692 (UTC) FILETIME=[9974F0C0:01C3D9E2] Subject: LF: eco wire strippers/cutters Content-Type: text/plain; charset=iso-8859-1; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Tower comes down today/tmw in Anchorage - station is QRT on receive/argo/web Moose chomped LDF450 feed two days ago hence no rx web signals past period. Cheers Laurence in W5 _________________________________________________________________ Rethink your business approach for the new year with the helpful tips here. http://special.msn.com/bcentral/prep04.armx From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 57592 invoked from network); 9 Jan 2004 16:08:05 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 9 Jan 2004 16:08:05 -0000 Received: (qmail 96703 invoked from network); 9 Jan 2004 16:08:04 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 9 Jan 2004 16:08:03 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AezB5-000P2P-BR for dave@picks.force9.co.uk; Fri, 09 Jan 2004 16:08:03 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AezA8-00021L-CQ for rs_out@blacksheep.org; Fri, 09 Jan 2004 16:07:04 +0000 Received: from [64.4.23.34] (helo=hotmail.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Aez9y-00020n-Qx for rsgb_lf_group@blacksheep.org; Fri, 09 Jan 2004 16:06:55 +0000 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Fri, 9 Jan 2004 07:54:35 -0800 Received: from 136.226.254.148 by lw15fd.law15.hotmail.msn.com with HTTP; Fri, 09 Jan 2004 15:54:35 GMT X-Originating-IP: [136.226.254.148] X-Originating-Email: [hellozerohellozero@hotmail.com] X-Sender: hellozerohellozero@hotmail.com From: "Laurence KL1X" To: rsgb_lf_group@blacksheep.org Date: Fri, 09 Jan 2004 06:54:35 -0900 MIME-Version: 1.0 Message-ID: X-OriginalArrivalTime: 09 Jan 2004 15:54:35.0870 (UTC) FILETIME=[E1542FE0:01C3D6C8] Subject: Re: LF: 183 kHz BC Q5 in NC at sunset! Content-Type: text/plain; charset=iso-8859-1; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Mine too ! two overlapping screens 135,920.8-925.5 dot 60 Laurence KL1X operating remote in W5... uploadis viewable at http://www.kl1x.com >From: Dexter McIntyre W4DEX >Reply-To: rsgb_lf_group@blacksheep.org >To: rsgb_lf_group@blacksheep.org >Subject: Re: LF: 183 kHz BC Q5 in NC at sunset! >Date: Fri, 09 Jan 2004 15:36:16 +0000 > > > >Dave Pick wrote: > > > I did move down to 920 to avoid Dex's Loran line. > > > >Dave, > >Sorry to say but you moved out of my Argo window. I am watching and >uploading >920.5 to 923.5. Check out my loran lines at the real time Argo from NC >posted >at: > >http://www.w4dex.com/argo/135khz.htm > >Dex > > _________________________________________________________________ Take advantage of our limited-time introductory offer for dial-up Internet access. http://join.msn.com/?page=dept/dialup From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 37007 invoked from network); 6 Jan 2004 16:59:22 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 6 Jan 2004 16:59:22 -0000 Received: (qmail 52669 invoked from network); 6 Jan 2004 16:59:22 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 6 Jan 2004 16:59:21 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AduY5-000DaX-Gb for dave@picks.force9.co.uk; Tue, 06 Jan 2004 16:59:21 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AduXP-0006dp-Qf for rs_out@blacksheep.org; Tue, 06 Jan 2004 16:58:39 +0000 Received: from [64.4.23.31] (helo=hotmail.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AduXN-0006dY-Bm for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2004 16:58:37 +0000 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Tue, 6 Jan 2004 08:58:06 -0800 Received: from 24.237.8.95 by lw15fd.law15.hotmail.msn.com with HTTP; Tue, 06 Jan 2004 16:58:05 GMT X-Originating-IP: [24.237.8.95] X-Originating-Email: [hellozerohellozero@hotmail.com] X-Sender: hellozerohellozero@hotmail.com From: "Laurence KL1X" To: rsgb_lf_group@blacksheep.org Date: Tue, 06 Jan 2004 07:58:05 -0900 MIME-Version: 1.0 Message-ID: X-OriginalArrivalTime: 06 Jan 2004 16:58:06.0187 (UTC) FILETIME=[41372BB0:01C3D476] Subject: LF: Winds Content-Type: text/plain; charset=iso-8859-1; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Today and for the next few days we are due to have 75-90mph winds with higher gusts, and temps around -20C, so I expect the tower pulldown will be delayed. Ill leave the receiver on (only) and push captures to the web site. When you see the Loran lines gone it either means the tower has been taken down, one of my connections has come adift, or Ive run out of disk space. Thanks for all the emails of support. Laurence KL1X Anchorage http://www.kl1x.com _________________________________________________________________ Have fun customizing MSN Messenger  learn how here! http://www.msnmessenger-download.com/tracking/reach_customize From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 55610 invoked from network); 6 Jan 2004 02:35:20 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 6 Jan 2004 02:35:20 -0000 Received: (qmail 19473 invoked from network); 6 Jan 2004 02:35:19 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 6 Jan 2004 02:35:18 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Adh3u-0004x2-MI for dave@picks.force9.co.uk; Tue, 06 Jan 2004 02:35:18 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Adh3b-0000wz-Pm for rs_out@blacksheep.org; Tue, 06 Jan 2004 02:34:59 +0000 Received: from [64.4.23.48] (helo=hotmail.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Adh3a-0000vk-Fj for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2004 02:34:58 +0000 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Mon, 5 Jan 2004 18:34:26 -0800 Received: from 24.237.8.95 by lw15fd.law15.hotmail.msn.com with HTTP; Tue, 06 Jan 2004 02:34:26 GMT X-Originating-IP: [24.237.8.95] X-Originating-Email: [hellozerohellozero@hotmail.com] X-Sender: hellozerohellozero@hotmail.com From: "Laurence KL1X" To: rsgb_lf_group@blacksheep.org Date: Mon, 05 Jan 2004 17:34:26 -0900 MIME-Version: 1.0 Message-ID: X-OriginalArrivalTime: 06 Jan 2004 02:34:26.0965 (UTC) FILETIME=[9A8D6450:01C3D3FD] Subject: Re: LF: Re: LF 2xTA Content-Type: text/plain; charset=iso-8859-1; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 XDW on 0235z @ 2.5A - heavy hoar frost on array Laurence kl1x 137,77355 dot 60 xdw _________________________________________________________________ Check your PC for viruses with the FREE McAfee online computer scan. http://clinic.mcafee.com/clinic/ibuy/campaign.asp?cid=3963 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 92844 invoked from network); 5 Jan 2004 20:22:26 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 5 Jan 2004 20:22:26 -0000 Received: (qmail 97435 invoked from network); 5 Jan 2004 20:22:26 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 5 Jan 2004 20:22:25 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AdbF3-000PEq-4p for dave@picks.force9.co.uk; Mon, 05 Jan 2004 20:22:25 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdbEM-0003lP-QY for rs_out@blacksheep.org; Mon, 05 Jan 2004 20:21:42 +0000 Received: from [64.4.23.79] (helo=hotmail.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AdbEK-0003jj-Bj for rsgb_lf_group@blacksheep.org; Mon, 05 Jan 2004 20:21:40 +0000 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Mon, 5 Jan 2004 12:21:09 -0800 Received: from 136.226.254.148 by lw15fd.law15.hotmail.msn.com with HTTP; Mon, 05 Jan 2004 20:21:08 GMT X-Originating-IP: [136.226.254.148] X-Originating-Email: [hellozerohellozero@hotmail.com] X-Sender: hellozerohellozero@hotmail.com From: "Laurence KL1X" To: rsgb_lf_group@blacksheep.org, lowfer@mailman.qth.net Date: Mon, 05 Jan 2004 11:21:08 -0900 MIME-Version: 1.0 Message-ID: X-OriginalArrivalTime: 05 Jan 2004 20:21:09.0153 (UTC) FILETIME=[746A8110:01C3D3C9] Subject: LF: Closedown Content-Type: text/plain; charset=iso-8859-1; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 KL1X/WD2XDW will be closing down from Anchorage on this Tuesday 6th Jan 1700Z. The Rhon 45 tower will be taken down this week if the winds abate. The beacon will be on later this evening from appx 0100Z for the last night of receiving and transmitter periods. (Also listening Lowfer band too) Its been fun and educational too and Im sad at leaving Alaska, but glad we had another part winter. Will hopefully reappear sometime later in W5 land. Vy 73 Laurence _________________________________________________________________ Tired of slow downloads? Compare online deals from your local high-speed providers now. https://broadband.msn.com From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 58013 invoked from network); 5 Jan 2004 18:44:37 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 5 Jan 2004 18:44:37 -0000 Received: (qmail 43084 invoked from network); 5 Jan 2004 18:44:37 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 5 Jan 2004 18:44:36 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AdZiO-000B68-46 for dave@picks.force9.co.uk; Mon, 05 Jan 2004 18:44:36 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdZi5-0002RU-Tx for rs_out@blacksheep.org; Mon, 05 Jan 2004 18:44:17 +0000 Received: from [64.4.23.29] (helo=hotmail.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AdZi3-0002RL-GR for rsgb_lf_group@blacksheep.org; Mon, 05 Jan 2004 18:44:15 +0000 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Mon, 5 Jan 2004 10:43:44 -0800 Received: from 136.226.254.148 by lw15fd.law15.hotmail.msn.com with HTTP; Mon, 05 Jan 2004 18:43:43 GMT X-Originating-IP: [136.226.254.148] X-Originating-Email: [hellozerohellozero@hotmail.com] X-Sender: hellozerohellozero@hotmail.com From: "Laurence KL1X" To: rsgb_lf_group@blacksheep.org, lowfer@mailman.qth.net Date: Mon, 05 Jan 2004 09:43:43 -0900 MIME-Version: 1.0 Message-ID: X-OriginalArrivalTime: 05 Jan 2004 18:43:44.0146 (UTC) FILETIME=[D8853720:01C3D3BB] Subject: LF: 2xTA Content-Type: text/plain; charset=iso-8859-1; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 XDW is Off for receive and transmit from 1700Z Monday till advised - Snow and ice clearance from nearby roofs using high pressure steam lances. Ice is some 12 inches thick, and snow another 14 - a weighty problem. Just short traces and splurges last night on 135,922 arena Laurence wd2xdw/kl1x _________________________________________________________________ Get reliable dial-up Internet access now with our limited-time introductory offer. http://join.msn.com/?page=dept/dialup From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 78128 invoked from network); 5 Jan 2004 01:09:35 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 5 Jan 2004 01:09:35 -0000 Received: (qmail 31840 invoked from network); 5 Jan 2004 01:09:35 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 5 Jan 2004 01:09:34 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AdJFO-0008Au-Ji for dave@picks.force9.co.uk; Mon, 05 Jan 2004 01:09:34 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdJFF-0002Zl-RZ for rs_out@blacksheep.org; Mon, 05 Jan 2004 01:09:25 +0000 Received: from [64.4.23.54] (helo=hotmail.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AdJFD-0002ZV-BP for rsgb_lf_group@blacksheep.org; Mon, 05 Jan 2004 01:09:23 +0000 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Sun, 4 Jan 2004 17:08:52 -0800 Received: from 24.237.8.95 by lw15fd.law15.hotmail.msn.com with HTTP; Mon, 05 Jan 2004 01:08:51 GMT X-Originating-IP: [24.237.8.95] X-Originating-Email: [hellozerohellozero@hotmail.com] X-Sender: hellozerohellozero@hotmail.com From: "Laurence KL1X" To: rsgb_lf_group@blacksheep.org Date: Sun, 04 Jan 2004 16:08:51 -0900 MIME-Version: 1.0 Message-ID: X-OriginalArrivalTime: 05 Jan 2004 01:08:52.0271 (UTC) FILETIME=[7B9F83F0:01C3D328] Subject: RE: LF: Re: TA beaconing Mon 0:15 UT Content-Type: text/plain; charset=iso-8859-1; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Same here at the moment - dcf is down at the moment - but its just dusk here so time to improve (!) Laurence >From: "John Andrews" >Reply-To: rsgb_lf_group@blacksheep.org >To: >Subject: LF: Re: TA beaconing Mon 0:15 UT >Date: Mon, 5 Jan 2004 01:06:33 -0000 > >135.922 signals disappeared here about an hour ago. No sign of anything but >noise. > >John Andrews > > > _________________________________________________________________ Have fun customizing MSN Messenger  learn how here! http://www.msnmessenger-download.com/tracking/reach_customize From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 44381 invoked from network); 4 Jan 2004 22:52:23 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 4 Jan 2004 22:52:23 -0000 Received: (qmail 33789 invoked from network); 4 Jan 2004 22:52:22 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 4 Jan 2004 22:52:21 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AdH6b-0008gE-LW for dave@picks.force9.co.uk; Sun, 04 Jan 2004 22:52:21 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdH68-0000Q3-Sj for rs_out@blacksheep.org; Sun, 04 Jan 2004 22:51:52 +0000 Received: from [64.4.23.60] (helo=hotmail.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AdH68-0000Pu-2b for rsgb_lf_group@blacksheep.org; Sun, 04 Jan 2004 22:51:52 +0000 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Sun, 4 Jan 2004 14:51:21 -0800 Received: from 24.237.8.95 by lw15fd.law15.hotmail.msn.com with HTTP; Sun, 04 Jan 2004 22:51:20 GMT X-Originating-IP: [24.237.8.95] X-Originating-Email: [hellozerohellozero@hotmail.com] X-Sender: hellozerohellozero@hotmail.com From: "Laurence KL1X" To: rsgb_lf_group@blacksheep.org Date: Sun, 04 Jan 2004 13:51:20 -0900 MIME-Version: 1.0 Message-ID: X-OriginalArrivalTime: 04 Jan 2004 22:51:21.0008 (UTC) FILETIME=[457CB300:01C3D315] Subject: LF: Conditions Content-Type: text/plain; charset=iso-8859-1; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=LIMITED_TIME_ONLY autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 DCF39 approaching s9 at 2250Z, thats 1350 Alaskan local. Low noise level. Looking... Laurence KL1X Anchorage _________________________________________________________________ Enjoy a special introductory offer for dial-up Internet access  limited time only! http://join.msn.com/?page=dept/dialup From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 3807 invoked from network); 4 Jan 2004 21:37:40 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 4 Jan 2004 21:37:40 -0000 Received: (qmail 5049 invoked from network); 4 Jan 2004 21:37:39 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 4 Jan 2004 21:37:38 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AdFwI-0001CR-LB for dave@picks.force9.co.uk; Sun, 04 Jan 2004 21:37:38 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdFvw-0007mO-Vd for rs_out@blacksheep.org; Sun, 04 Jan 2004 21:37:16 +0000 Received: from [64.4.23.33] (helo=hotmail.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AdFvw-0007mF-3g for rsgb_lf_group@blacksheep.org; Sun, 04 Jan 2004 21:37:16 +0000 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Sun, 4 Jan 2004 13:36:44 -0800 Received: from 24.237.8.95 by lw15fd.law15.hotmail.msn.com with HTTP; Sun, 04 Jan 2004 21:36:44 GMT X-Originating-IP: [24.237.8.95] X-Originating-Email: [hellozerohellozero@hotmail.com] X-Sender: hellozerohellozero@hotmail.com From: "Laurence KL1X" To: rsgb_lf_group@blacksheep.org Date: Sun, 04 Jan 2004 12:36:44 -0900 MIME-Version: 1.0 Message-ID: X-OriginalArrivalTime: 04 Jan 2004 21:36:44.0739 (UTC) FILETIME=[D96C4130:01C3D30A] Subject: RE: LF: Laurence's images of Jan 3. and 4. Content-Type: text/plain; charset=iso-8859-1; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Nice work Markus - Ive just spend the last four hours clearing some 2500 jpeg file entries and saving the important ones so glad youve done that before I hit the delete key. Loran on 135,922 with quick agc @ 200Hz peaks 5/9; Im glad we have QRSS, and Im glad Ive got a TS870! Although we are still in a higher wind stream from a coronal hole, it hasnt hit the K too hard and Im hoping (fingers and everything else) that we quieten down now for a few days. That new big sun post worries me a bit though.. DCF is audible now at around s5 at Alaskan midday, no, its up to s7 again, which is a good sign for this time of year (it would be a bad sign in the summer....)...so heres hoping again this evening. BBCR4 is 198KHz the strongest ive heard it this year too - strange stuff this LF. Im running the beacon at close to 4 amps aerial current as the temps are around -20C and clear (and beautiful) Looking forward to seeing more stations and perhaps a trace of XDW in Eu/Americas. If I see something strong Ill probably knock off the beacon whilst IDing. Laurence KL1X bp41xd\ wd2xdw 137,77356 dot 60 XDW >From: MarkusVester@aol.com >Reply-To: rsgb_lf_group@blacksheep.org >To: rsgb_lf_group@blacksheep.org >Subject: LF: Laurence's images of Jan 3. and 4. >Date: Sun, 4 Jan 2004 16:07:31 EST > >Dear Laurence and LF group, > > _________________________________________________________________ Tired of slow downloads? Compare online deals from your local high-speed providers now. https://broadband.msn.com From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 14016 invoked from network); 4 Jan 2004 04:45:13 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 4 Jan 2004 04:45:13 -0000 Received: (qmail 49743 invoked from network); 4 Jan 2004 04:45:13 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 4 Jan 2004 04:45:12 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Ad08W-000Cpd-C0 for dave@picks.force9.co.uk; Sun, 04 Jan 2004 04:45:12 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ad084-0001d7-2V for rs_out@blacksheep.org; Sun, 04 Jan 2004 04:44:44 +0000 Received: from [64.4.23.56] (helo=hotmail.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Ad081-0001cw-7k for rsgb_lf_group@blacksheep.org; Sun, 04 Jan 2004 04:44:41 +0000 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Sat, 3 Jan 2004 20:44:09 -0800 Received: from 24.237.8.95 by lw15fd.law15.hotmail.msn.com with HTTP; Sun, 04 Jan 2004 04:44:09 GMT X-Originating-IP: [24.237.8.95] X-Originating-Email: [hellozerohellozero@hotmail.com] X-Sender: hellozerohellozero@hotmail.com From: "Laurence KL1X" To: rsgb_lf_group@blacksheep.org Date: Sat, 03 Jan 2004 19:44:09 -0900 MIME-Version: 1.0 Message-ID: X-OriginalArrivalTime: 04 Jan 2004 04:44:09.0852 (UTC) FILETIME=[64B033C0:01C3D27D] Subject: RE: LF: Re: TA beaconing Sat/Sun 23:20 Content-Type: text/plain; charset=iso-8859-1; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Lots of weaker traces this evening and no full calls only bits. All things being equal, Ive traces of CT1DRP,DK1IS, DF6NM, strongish of dot dashes from SM6BHZ and trace Dj8WX - apologies for any errors in the calls. Conditions are only fair this evening and way down from peak the geo hits us pretty quickly here. The beacon is back on and Im now only receiving between characters. I suffering from nearly 4 hours of Lord of the Rings in a noisy cinema...I left the beacon off whilst we were out at the temps/tuning were dropping very fast. My cal was 0.07 Hz off on my argo displays - they were recalibrated on the web site at 0435Z 3rd Laurence kl1x/wd2xdw 137,77357 >From: "g3ldo" >Reply-To: rsgb_lf_group@blacksheep.org >To: >Subject: LF: Re: TA beaconing Sat/Sun 23:20 >Date: Sun, 4 Jan 2004 01:00:46 -0000 > > >Markus, DF6NM, said > >------------------------------------------------- >at 23:20 UT, the following stations were seen on air: > >135923.45/.55 CT1DRP dfcw 60s ~-3dBľV/m >135922.50/.70 DK1IS dfcw 150s 36dBľV/m >135922.2/.3 DF6NM dfcw 60+20s (starting 23:40, 0.1Hz lower than yesterday) >135921.93 PA0SE qrss 120s ~13dBľV/m >135921.52 SM6BHZ qrss 60s 18dBľV/m >135920.86 DJ8WX qrss 30s ~10dBľV/m >135919.75 DJ2LF qrss 60s 42dBľV/m >-------------------------------------------------------- > >All signals seen here, some very strong - looks like a snowball fight! >Going into listening/looking mode tonight around 137.77kHz. > >My TS-850 has died and am using the IC-705. With the larger resonated >transmitting antenna it seems reasonably sensitive and more stable than the >standard 850. > >Good luck to the transmitting group. > >Regards, >Peter, G3LDO > > > > > > > _________________________________________________________________ Check your PC for viruses with the FREE McAfee online computer scan. http://clinic.mcafee.com/clinic/ibuy/campaign.asp?cid=3963 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 90265 invoked from network); 3 Jan 2004 19:26:42 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 3 Jan 2004 19:26:42 -0000 Received: (qmail 41436 invoked from network); 3 Jan 2004 19:26:42 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 3 Jan 2004 19:26:41 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AcrQ1-000AfT-E1 for dave@picks.force9.co.uk; Sat, 03 Jan 2004 19:26:41 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AcrPi-000127-Mu for rs_out@blacksheep.org; Sat, 03 Jan 2004 19:26:22 +0000 Received: from [64.4.23.87] (helo=hotmail.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AcrPh-00010A-Pr for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 19:26:22 +0000 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Sat, 3 Jan 2004 11:25:50 -0800 Received: from 24.237.8.95 by lw15fd.law15.hotmail.msn.com with HTTP; Sat, 03 Jan 2004 19:25:50 GMT X-Originating-IP: [24.237.8.95] X-Originating-Email: [hellozerohellozero@hotmail.com] X-Sender: hellozerohellozero@hotmail.com From: "Laurence KL1X" To: rsgb_lf_group@blacksheep.org Date: Sat, 03 Jan 2004 10:25:50 -0900 MIME-Version: 1.0 Message-ID: X-OriginalArrivalTime: 03 Jan 2004 19:25:50.0635 (UTC) FILETIME=[659957B0:01C3D22F] Subject: RE: LF: Re: TA beaconing Content-Type: text/plain; charset=iso-8859-1; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 I also see dot 60 traces on my captures on PA0SE's announced frequency... LAurence KL1X -5F and clear >From: "g3ldo" >Reply-To: rsgb_lf_group@blacksheep.org >To: >Subject: LF: Re: TA beaconing Date: Sat, 3 Jan 2004 18:59:52 -0000 > >Markus, DF6NM said: >----------------------------------- >Before midnight UT, Peter joined in, and DJ8WO came back on a new QRG: > >135923.13 G3LDO qrss 60s (14dBľV/m qsb) >135922.3/.4 DF6NM dfcw 60s/20s (~170mW EMRP) >135921.89 PA0SE qrss 60s (~13dBľV/m qsb) >135920.86 DJ8WO qrss 30s (13dBľV/m) >------------------------------------ > >Congratulations to Markus and Laurence for the transmission and reception >of >dfcw signals on 135.92kHz. Quite an achievement with such a low ERP. > >My frequency checks. >My DDS unit read 135.923. >My 6667 Philips frequency counter said 135.923.1. This dropped to 135.922.9 >at the end of the transmission due to shack temperature rise. >This agrees well with the images from Jay and John. Laurence's frequency >shows 423.05, which means, I guess, 135.923.05 (a closer setting of the >receiver to the actual received signal). >Many thanks for the pictures. > >Regards, >Peter, G3LDO > >e-mail > > > > > > > > > > _________________________________________________________________ Check your PC for viruses with the FREE McAfee online computer scan. http://clinic.mcafee.com/clinic/ibuy/campaign.asp?cid=3963 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 15346 invoked from network); 3 Jan 2004 04:23:24 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 3 Jan 2004 04:23:24 -0000 Received: (qmail 94845 invoked from network); 3 Jan 2004 04:23:24 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 3 Jan 2004 04:23:23 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AcdJr-000OZ8-Ih for dave@picks.force9.co.uk; Sat, 03 Jan 2004 04:23:23 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AcdJI-0006c1-1S for rs_out@blacksheep.org; Sat, 03 Jan 2004 04:22:48 +0000 Received: from [64.4.23.46] (helo=hotmail.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AcdJF-0006bs-DM for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 04:22:45 +0000 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Fri, 2 Jan 2004 20:22:14 -0800 Received: from 24.237.8.95 by lw15fd.law15.hotmail.msn.com with HTTP; Sat, 03 Jan 2004 04:22:14 GMT X-Originating-IP: [24.237.8.95] X-Originating-Email: [hellozerohellozero@hotmail.com] X-Sender: hellozerohellozero@hotmail.com From: "Laurence KL1X" To: rsgb_lf_group@blacksheep.org Date: Fri, 02 Jan 2004 19:22:14 -0900 MIME-Version: 1.0 Message-ID: X-OriginalArrivalTime: 03 Jan 2004 04:22:14.0355 (UTC) FILETIME=[2A2D8A30:01C3D1B1] Subject: LF: Tpol to Eu Content-Type: text/plain; charset=iso-8859-1; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 http://www.kl1x.com/ldo.jpg Good "LDO" copy from Peter near to 423 and probably Marcus on DFCW ? the splurge is more than annoying LAurence kl1x bp41xd Beacon back on... 137,77355 _________________________________________________________________ Tired of slow downloads? Compare online deals from your local high-speed providers now. https://broadband.msn.com From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 49985 invoked from network); 3 Jan 2004 03:33:50 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 3 Jan 2004 03:33:50 -0000 Received: (qmail 88158 invoked from network); 3 Jan 2004 03:33:50 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 3 Jan 2004 03:33:49 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AccXt-000Moa-68 for dave@picks.force9.co.uk; Sat, 03 Jan 2004 03:33:49 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AccXV-0005wy-LP for rs_out@blacksheep.org; Sat, 03 Jan 2004 03:33:25 +0000 Received: from [64.4.23.49] (helo=hotmail.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AccXS-0005wi-Di for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 03:33:22 +0000 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Fri, 2 Jan 2004 19:32:51 -0800 Received: from 24.237.8.95 by lw15fd.law15.hotmail.msn.com with HTTP; Sat, 03 Jan 2004 03:32:50 GMT X-Originating-IP: [24.237.8.95] X-Originating-Email: [hellozerohellozero@hotmail.com] X-Sender: hellozerohellozero@hotmail.com From: "Laurence KL1X" To: rsgb_lf_group@blacksheep.org Date: Fri, 02 Jan 2004 18:32:50 -0900 MIME-Version: 1.0 Message-ID: X-OriginalArrivalTime: 03 Jan 2004 03:32:51.0336 (UTC) FILETIME=[4414B880:01C3D1AA] Subject: RE: LF: Re: TA beaconing update Content-Type: text/plain; charset=iso-8859-1; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Have the same here - good "O' from "LDO" from Peter - DFCW on 922,3/4 was good for a while but splurge from an X box ruined capture. Im knocking beacon on and off whilst capturing.....perhaps I should leave it on! Oh decisions, decisions, decisions.... Laurence KL1X wd2xdw >From: "John Andrews" >Reply-To: rsgb_lf_group@blacksheep.org >To: >Subject: LF: Re: TA beaconing update >Date: Sat, 3 Jan 2004 03:06:58 -0000 > >As of 0300, Peter has been up and down, but is still visible. Nothing else >seen here... will leave captures running overnight. > >W4DEX has some odd activity at 135922.3/4, but it's very faint. No sign of >it here. > >John Andrews > > > _________________________________________________________________ Tired of slow downloads? Compare online deals from your local high-speed providers now. https://broadband.msn.com From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 81529 invoked from network); 3 Jan 2004 02:32:09 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 3 Jan 2004 02:32:09 -0000 Received: (qmail 5943 invoked from network); 3 Jan 2004 02:32:09 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 3 Jan 2004 02:32:08 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AcbaC-0001R5-8F for dave@picks.force9.co.uk; Sat, 03 Jan 2004 02:32:08 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AcbZq-0005GZ-F2 for rs_out@blacksheep.org; Sat, 03 Jan 2004 02:31:46 +0000 Received: from [64.4.23.21] (helo=hotmail.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AcbZp-0005GP-9u for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 02:31:45 +0000 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Fri, 2 Jan 2004 18:31:14 -0800 Received: from 24.237.8.95 by lw15fd.law15.hotmail.msn.com with HTTP; Sat, 03 Jan 2004 02:31:13 GMT X-Originating-IP: [24.237.8.95] X-Originating-Email: [hellozerohellozero@hotmail.com] X-Sender: hellozerohellozero@hotmail.com From: "Laurence KL1X" To: rsgb_lf_group@blacksheep.org Date: Fri, 02 Jan 2004 17:31:13 -0900 MIME-Version: 1.0 Message-ID: X-OriginalArrivalTime: 03 Jan 2004 02:31:14.0199 (UTC) FILETIME=[A86A6270:01C3D1A1] Subject: LF: signals Content-Type: text/plain; charset=iso-8859-1; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 0230Z I have dfcw signal 135,922.3 and 4 (hi) and dot 60 signal on 135,923,36 or so Heavy qrn from splurge mucking things up... Laurence _________________________________________________________________ Check your PC for viruses with the FREE McAfee online computer scan. http://clinic.mcafee.com/clinic/ibuy/campaign.asp?cid=3963 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 81381 invoked from network); 3 Jan 2004 01:12:27 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 3 Jan 2004 01:12:27 -0000 Received: (qmail 87523 invoked from network); 3 Jan 2004 01:12:27 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 3 Jan 2004 01:12:26 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AcaL4-000Mf0-61 for dave@picks.force9.co.uk; Sat, 03 Jan 2004 01:12:26 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AcaKl-0004CH-Nv for rs_out@blacksheep.org; Sat, 03 Jan 2004 01:12:07 +0000 Received: from [64.4.23.116] (helo=hotmail.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AcaKl-0004Bj-0u for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 01:12:07 +0000 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Fri, 2 Jan 2004 17:11:35 -0800 Received: from 24.237.8.95 by lw15fd.law15.hotmail.msn.com with HTTP; Sat, 03 Jan 2004 01:11:34 GMT X-Originating-IP: [24.237.8.95] X-Originating-Email: [hellozerohellozero@hotmail.com] X-Sender: hellozerohellozero@hotmail.com From: "Laurence KL1X" To: rsgb_lf_group@blacksheep.org Date: Fri, 02 Jan 2004 16:11:34 -0900 MIME-Version: 1.0 Message-ID: X-OriginalArrivalTime: 03 Jan 2004 01:11:35.0239 (UTC) FILETIME=[87EEF570:01C3D196] Subject: RE: LF: Re: TA beaconing update Content-Type: text/plain; charset=iso-8859-1; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Traces of Peter here too..but I have large splurgy going thru at the moment which isnt helping. Laurence >From: "John Andrews" >Reply-To: rsgb_lf_group@blacksheep.org >To: >Subject: LF: Re: TA beaconing update >Date: Sat, 3 Jan 2004 01:04:47 -0000 > >As of 0100, Peter is slowly picking up, but no other sigs can be identified >yet. > >John A. > > > _________________________________________________________________ Take advantage of our limited-time introductory offer for dial-up Internet access. http://join.msn.com/?page=dept/dialup From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 33109 invoked from network); 3 Jan 2004 00:38:17 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 3 Jan 2004 00:38:17 -0000 Received: (qmail 68835 invoked from network); 3 Jan 2004 00:38:17 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 3 Jan 2004 00:38:16 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AcZo0-000HnN-1j for dave@picks.force9.co.uk; Sat, 03 Jan 2004 00:38:16 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AcZno-0003jD-Kg for rs_out@blacksheep.org; Sat, 03 Jan 2004 00:38:04 +0000 Received: from [64.4.23.14] (helo=hotmail.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AcZnn-0003it-6o for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 00:38:03 +0000 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Fri, 2 Jan 2004 16:26:11 -0800 Received: from 24.237.8.95 by lw15fd.law15.hotmail.msn.com with HTTP; Sat, 03 Jan 2004 00:26:10 GMT X-Originating-IP: [24.237.8.95] X-Originating-Email: [hellozerohellozero@hotmail.com] X-Sender: hellozerohellozero@hotmail.com From: "Laurence KL1X" To: rsgb_lf_group@blacksheep.org Date: Fri, 02 Jan 2004 15:26:10 -0900 MIME-Version: 1.0 Message-ID: X-OriginalArrivalTime: 03 Jan 2004 00:26:11.0083 (UTC) FILETIME=[3035BDB0:01C3D190] Subject: RE: LF: TA beaconing update Content-Type: text/plain; charset=iso-8859-1; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Vesitiges of signals on 921.90 and 923.13 Laurence KL1X - DCF39 at s9 and getting better >From: MarkusVester@aol.com >Reply-To: rsgb_lf_group@blacksheep.org >To: rsgb_lf_group@blacksheep.org >Subject: LF: TA beaconing update >Date: Fri, 2 Jan 2004 19:20:54 EST > >Before midnight UT, Peter joined in, and DJ8WO came back on a new QRG: > >135923.13 G3LDO qrss 60s (14dBľV/m qsb) >135922.3/.4 DF6NM dfcw 60s/20s (~170mW EMRP) >135921.89 PA0SE qrss 60s (~13dBľV/m qsb) >135920.86 DJ8WO qrss 30s (13dBľV/m) > >Markus >DF6NM in JN59NK > > >MarkusVester@aol.com wrote: > > > Hello America ;-) > > > > tonight's Eu beacons at 23:15 UT are / were > > > > 135921.79 DJ8?O QRSS 30s (~13dBľV/m, QRT at 22:50 before I got a >complete > > callsign) > > 135921.89 PA0SE QRSS 60s (~13dBľV/m) > > 135922.35 DF6NM 0.1Hz DFCW 60s/20s (~177dBľV/m on the roof beneath the > > antenna ;-) > > > > Good luck to all > > > > Markus > > > _________________________________________________________________ Expand your wine savvy  and get some great new recipes  at MSN Wine. http://wine.msn.com From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 62724 invoked from network); 30 Jan 2004 22:34:06 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore03.plus.net with SMTP; 30 Jan 2004 22:34:06 -0000 Received: (qmail 27730 invoked from network); 30 Jan 2004 22:34:06 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 30 Jan 2004 22:34:04 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim 4.30; FreeBSD) id 1AmhDA-0006yj-Ju for dave@picks.force9.co.uk; Fri, 30 Jan 2004 22:34:04 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AmhCF-0008G9-N0 for rs_out@blacksheep.org; Fri, 30 Jan 2004 22:33:07 +0000 Received: from [195.92.193.210] (helo=cmailm2.svr.pol.co.uk) by post.thorcom.com with esmtp (Exim 4.14) id 1AmhCF-0008G0-Aj for rsgb_lf_group@blacksheep.org; Fri, 30 Jan 2004 22:33:07 +0000 Received: from modem-114.arthad.dialup.pol.co.uk ([62.136.128.114] helo=d6y6c7) by cmailm2.svr.pol.co.uk with smtp (Exim 4.14) id 1AmhCE-0005Hn-Cz for rsgb_lf_group@blacksheep.org; Fri, 30 Jan 2004 22:33:06 +0000 X-Bad-Message-ID: no DNS (d6y6c7) Message-ID: <000501c3e781$0944b100$7280883e@d6y6c7> From: "LAWRENCE MAYHEAD" To: rsgb_lf_group@blacksheep.org Date: Fri, 30 Jan 2004 22:32:13 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re. TA Jan 30 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Congratulations to Dick for making it across. For information I monitored VO1NA last night ,there were traces around 0100 but the signal improved to "M"at 0300, then "O" copy 0500- 0530, fading later, although still visible at 0700. 73 Laurie. From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 52153 invoked from network); 19 Jan 2004 12:22:51 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 19 Jan 2004 12:22:51 -0000 Received: (qmail 36243 invoked from network); 19 Jan 2004 12:22:51 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 19 Jan 2004 12:22:50 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AiYQb-0009JD-Vs for dave@picks.force9.co.uk; Mon, 19 Jan 2004 12:22:50 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AiYQL-00019j-PB for rs_out@blacksheep.org; Mon, 19 Jan 2004 12:22:33 +0000 Received: from [195.92.195.171] (helo=cmailg1.svr.pol.co.uk) by post.thorcom.com with esmtp (Exim 4.14) id 1AiYQL-00019a-Bq for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 12:22:33 +0000 Received: from modem-69.aragorn.dialup.pol.co.uk ([62.136.118.69] helo=d6y6c7) by cmailg1.svr.pol.co.uk with smtp (Exim 4.14) id 1AiYQK-0006AJ-2K for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 12:22:32 +0000 X-Bad-Message-ID: no DNS (d6y6c7) Message-ID: <000a01c3de86$e9dc03c0$4576883e@d6y6c7> From: "LAWRENCE MAYHEAD" To: rsgb_lf_group@blacksheep.org References: <000d01c3de82$b510d5c0$5967fea9@p4o2b7> Date: Mon, 19 Jan 2004 12:21:53 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: LF Activity. Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 ----- Original Message ----- From: "Ian Kyle" To: Sent: Monday, January 19, 2004 11:51 AM Subject: LF: LF Activity. > Good morning all, > this posting is simply to inform any interested party or parties that as > from 1300z today I am quitting LF. > > > Ian GI8AYZ/MI0AYZ > >So sorry to see you leave, but as an "old timer " myself I can understand the problems. Best of luck with your new activities, I hope they will keep you intrested and motivated. 73 Laurie G3AQC > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 7999 invoked from network); 14 Jan 2004 10:49:39 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 14 Jan 2004 10:49:39 -0000 Received: (qmail 59565 invoked from network); 14 Jan 2004 10:49:39 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 14 Jan 2004 10:49:38 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Agiag-000FNs-IY for dave@picks.force9.co.uk; Wed, 14 Jan 2004 10:49:38 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AgiaG-0000GI-H3 for rs_out@blacksheep.org; Wed, 14 Jan 2004 10:49:12 +0000 Received: from [195.92.193.21] (helo=cmailm5.svr.pol.co.uk) by post.thorcom.com with esmtp (Exim 4.14) id 1AgiaG-0000G9-5W for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 10:49:12 +0000 Received: from modem-40.bar-en-danwedh.dialup.pol.co.uk ([62.136.135.168] helo=d6y6c7) by cmailm5.svr.pol.co.uk with smtp (Exim 4.14) id 1AgiZq-0002pS-Lk for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 10:48:47 +0000 X-Bad-Message-ID: no DNS (d6y6c7) Message-ID: <000501c3da8c$0b1f8ec0$a887883e@d6y6c7> From: "LAWRENCE MAYHEAD" To: rsgb_lf_group@blacksheep.org Date: Wed, 14 Jan 2004 10:48:26 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re. Timing GPS Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi All, As suggested on this reflector I have loaded a clock synchronisation program from DIMENSION 4. This appears to hold my computer clock in synch with my Rugby clock. Would it not be possible to use this source of timing to synchronise QRS and ARGO programs ? resulting in better sig/noise than with present completely unsynchronised systems. Any ideas anyone ? 73 Laurie. From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 83342 invoked from network); 14 Jan 2004 10:23:30 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 14 Jan 2004 10:23:30 -0000 Received: (qmail 51233 invoked from network); 14 Jan 2004 10:23:30 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 14 Jan 2004 10:23:27 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AgiBL-000D4l-Ho for dave@picks.force9.co.uk; Wed, 14 Jan 2004 10:23:27 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AgiAt-00087T-1r for rs_out@blacksheep.org; Wed, 14 Jan 2004 10:22:59 +0000 Received: from [195.92.193.21] (helo=cmailm5.svr.pol.co.uk) by post.thorcom.com with esmtp (Exim 4.14) id 1AgiAs-00087K-LL for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 10:22:58 +0000 Received: from modem-31.daeron.dialup.pol.co.uk ([62.136.150.159] helo=d6y6c7) by cmailm5.svr.pol.co.uk with smtp (Exim 4.14) id 1AgiAT-0005VU-1w for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 10:22:33 +0000 X-Bad-Message-ID: no DNS (d6y6c7) Message-ID: <000b01c3da88$611cf140$9f96883e@d6y6c7> From: "LAWRENCE MAYHEAD" To: rsgb_lf_group@blacksheep.org Date: Wed, 14 Jan 2004 10:22:07 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re. new here...little introduction Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi Dick, I operate 1000W into "T" antenna with an extensive top load which runs over the top of the house at 12m high. I have never had any interference on television or radio or Hi Fi in the house and can even recieve on HF 80/40m bands whilst transmitting. HF antennas within 10m of LF ant. So you should not have any trouble. Look forward to hearing your signal on 136 . 73 Laurie. From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 23518 invoked from network); 12 Jan 2004 10:45:34 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 12 Jan 2004 10:45:34 -0000 Received: (qmail 23599 invoked from network); 12 Jan 2004 10:45:34 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 12 Jan 2004 10:45:33 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AfzZd-00061Z-0A for dave@picks.force9.co.uk; Mon, 12 Jan 2004 10:45:33 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AfzYa-0004b2-Uo for rs_out@blacksheep.org; Mon, 12 Jan 2004 10:44:28 +0000 Received: from [195.92.195.175] (helo=cmailg5.svr.pol.co.uk) by post.thorcom.com with esmtp (Exim 4.14) id 1AfzYa-0004at-GI for rsgb_lf_group@blacksheep.org; Mon, 12 Jan 2004 10:44:28 +0000 Received: from modem-79.borlach.dialup.pol.co.uk ([62.136.140.207] helo=d6y6c7) by cmailg5.svr.pol.co.uk with smtp (Exim 4.14) id 1AfzYZ-0005X0-8A for rsgb_lf_group@blacksheep.org; Mon, 12 Jan 2004 10:44:27 +0000 X-Bad-Message-ID: no DNS (d6y6c7) Message-ID: <001701c3d830$807532a0$cf8c883e@d6y6c7> From: "LAWRENCE MAYHEAD" To: rsgb_lf_group@blacksheep.org Date: Sun, 11 Jan 2004 10:48:08 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re. First WOLF QSO Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.4 required=5.0 tests=DATE_IN_PAST_12_24 autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 May I add my congratulations to John and Dex. As we have said before, "try try and try again" well done, perseverance pays. 73 Laurie. From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 72515 invoked from network); 9 Jan 2004 16:32:49 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 9 Jan 2004 16:32:49 -0000 Received: (qmail 84617 invoked from network); 9 Jan 2004 16:32:49 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 9 Jan 2004 16:32:47 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AezYz-000LmS-Te for dave@picks.force9.co.uk; Fri, 09 Jan 2004 16:32:47 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AezXk-0002bQ-7S for rs_out@blacksheep.org; Fri, 09 Jan 2004 16:31:28 +0000 Received: from [195.92.193.22] (helo=cmailm6.svr.pol.co.uk) by post.thorcom.com with esmtp (Exim 4.14) id 1AezXi-0002bG-9T for rsgb_lf_group@blacksheep.org; Fri, 09 Jan 2004 16:31:26 +0000 Received: from modem-93.aratar.dialup.pol.co.uk ([62.136.121.93] helo=d6y6c7) by cmailm6.svr.pol.co.uk with smtp (Exim 4.14) id 1AezXA-0006D8-El for rsgb_lf_group@blacksheep.org; Fri, 09 Jan 2004 16:30:53 +0000 X-Bad-Message-ID: no DNS (d6y6c7) Message-ID: <001001c3d605$74333780$5d79883e@d6y6c7> From: "LAWRENCE MAYHEAD" To: rsgb_lf_group@blacksheep.org References: <3FFDD87C.F0EF0309@att.net> <3FFDDE47.C1107691@att.net> <006901c3d641$b90d70f0$1f00a8c0@dellboy> <005f01c3d659$8a589380$0500a8c0@charter.net> <000d01c3d689$77e9a3d0$1f00a8c0@dellboy> <000401c3d6a9$073c1120$0500a8c0@charter.net> <002101c3d6ad$d7079330$1f00a8c0@dellboy> Date: Thu, 8 Jan 2004 16:34:59 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: 183 kHz BC Q5 in NC at sunset! Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.4 required=5.0 tests=DATE_IN_PAST_12_24 autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 ----- Original Message ----- From: "Dave Pick" To: Sent: Friday, January 09, 2004 12:41 PM Subject: Re: LF: 183 kHz BC Q5 in NC at sunset! > John. > > Thanks for those, quite unambiguous, and my frequency calibration seems to > agree with yours! Thats great Dave, especially for 100mW, shows you dont need the full 1W to get across. Also I did'nt think condx were all that good last night. 73 Laurie. > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 67177 invoked from network); 7 Jan 2004 16:24:35 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 7 Jan 2004 16:24:35 -0000 Received: (qmail 89174 invoked from network); 7 Jan 2004 16:24:34 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 7 Jan 2004 16:24:33 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AeGTx-000N2o-JN for dave@picks.force9.co.uk; Wed, 07 Jan 2004 16:24:33 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AeGTP-0002cN-1I for rs_out@blacksheep.org; Wed, 07 Jan 2004 16:23:59 +0000 Received: from [195.92.193.21] (helo=cmailm5.svr.pol.co.uk) by post.thorcom.com with esmtp (Exim 4.14) id 1AeGTO-0002cE-Jj for rsgb_lf_group@blacksheep.org; Wed, 07 Jan 2004 16:23:58 +0000 Received: from modem-18.androth.dialup.pol.co.uk ([62.136.108.18] helo=d6y6c7) by cmailm5.svr.pol.co.uk with smtp (Exim 4.14) id 1AeGT3-0002YU-T6 for rsgb_lf_group@blacksheep.org; Wed, 07 Jan 2004 16:23:38 +0000 X-Bad-Message-ID: no DNS (d6y6c7) Message-ID: <000d01c3d472$14b878e0$126c883e@d6y6c7> From: "LAWRENCE MAYHEAD" To: rsgb_lf_group@blacksheep.org Date: Tue, 6 Jan 2004 16:27:01 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re.TA 07Jan 04 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.4 required=5.0 tests=DATE_IN_PAST_12_24 autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi Joe and Dex, Many thanks for the reports. Joe I am suffering from Flu and could'nt sleep but unfortunately did'nt look on 777 in fact I went back to bed for a bit. Dex its great to hear from you again and I am glad you caught my x'mission. I came on again at 0435 until 0755.and can see traces of my signal on your 00055 and 00057 captures. When I feel better I will try again. Best wishes for 2004 to you both. From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 77161 invoked from network); 2 Jan 2004 14:34:33 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 2 Jan 2004 14:34:33 -0000 Received: (qmail 16463 invoked from network); 2 Jan 2004 14:34:33 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 2 Jan 2004 14:34:32 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AcQNj-0004AV-WF for dave@picks.force9.co.uk; Fri, 02 Jan 2004 14:34:32 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AcQN0-0005FQ-Cd for rs_out@blacksheep.org; Fri, 02 Jan 2004 14:33:46 +0000 Received: from [195.92.195.173] (helo=cmailg3.svr.pol.co.uk) by post.thorcom.com with esmtp (Exim 4.14) id 1AcQMz-0005FH-VH for rsgb_lf_group@blacksheep.org; Fri, 02 Jan 2004 14:33:46 +0000 Received: from modem-115.amras.dialup.pol.co.uk ([62.136.105.115] helo=d6y6c7) by cmailg3.svr.pol.co.uk with smtp (Exim 4.14) id 1AcQMy-0006hY-L9 for rsgb_lf_group@blacksheep.org; Fri, 02 Jan 2004 14:33:45 +0000 X-Bad-Message-ID: no DNS (d6y6c7) Message-ID: <000501c3d074$d64c1540$7369883e@d6y6c7> From: "LAWRENCE MAYHEAD" To: rsgb_lf_group@blacksheep.org Date: Thu, 1 Jan 2004 14:36:37 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Test Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.4 required=5.0 tests=DATE_IN_PAST_12_24 autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Test only please delete From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 26746 invoked from network); 22 Jan 2004 22:54:26 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 22 Jan 2004 22:54:26 -0000 Received: (qmail 52418 invoked from network); 22 Jan 2004 22:54:26 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 22 Jan 2004 22:54:25 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AjniS-000DWV-Uf for dave@picks.force9.co.uk; Thu, 22 Jan 2004 22:54:25 +0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ajni9-00037j-LK for rs_out@blacksheep.org; Thu, 22 Jan 2004 22:54:05 +0000 Received: from [212.77.101.160] (helo=smtp.wp.pl) by post.thorcom.com with esmtp (Exim 4.14) id 1Ajni8-00037M-SS for rsgb_lf_group@blacksheep.org; Thu, 22 Jan 2004 22:54:04 +0000 Received: (WP-SMTPD 527 invoked from network); 22 Jan 2004 23:53:34 +0100 Received: from ofree.wp-sa.pl (HELO localhost) ([212.77.101.203]) (envelope-sender ) by smtp.wp.pl (wp-smtpd) with SMTP for ; 22 Jan 2004 23:53:34 +0100 Date: Thu, 22 Jan 2004 23:53:34 +0100 From: "Marek Przybyszewski" To: rsgb_lf_group@blacksheep.org Message-ID: <4010546e2af6e@wp.pl> MIME-Version: 1.0 Content-Disposition: inline X-Mailer: Interfejs WWW poczty Wirtualnej Polski Organization: Poczta Wirtualnej Polski S.A. http://www.wp.pl/ X-IP: 80.53.201.198 X-Antivirus: skaner antywirusowy poczty Wirtualnej Polski S. A. X-WP-ChangeAV: 0 X-WP-AntySpam-Rezultat: NIE-SPAM Subject: Re: LF: 136kHz project cancelled Content-Type: text/plain; charset=iso-8859-2; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Dick and all, A great pity that you've quit the project. I am not at all experienced in electronics, and I went through many of what you've written about. I don't know whether you have an oscilloscope, I found that extremely useful during making the TX. The one I have is a simple, 20 years old Polish construction. It can hardly display max. 15MHz signal (you have to be patient with adjusting synchronization then :) My first attempt with a signal source was a VXO with 10.000MHz & 11.350MHz xtals that I simply found in my shack. I thought it would be possible to pull them in a way that the difference will be at 1.377MHz. This appeared to be impossible... Don't ask how much time I spent on making the mixer stable and trying to pull xtals a little more... Simple little thing and can make you crazy. In the end, however, I managed to make a QSO transmitting on 136.5kHz. The first PA had no more than 150W output and I couldn't have got more due to strange oscillations and instability. Additionally my output filter used to get really hot (due to wrong coils?). At this stage I've lost some nice FETs also. So I started the whole thing from scratch. I built a beautiful tiny VCO which ... appeared to be not stable enough for anything. I really did all my best with it and... a little heat from the PA stage and I am 50Hz away... Even with this sweeping VCO I managed to make some nice contacts. A better-planned output stage and change of output filter into air coils made it possible to achieve 400W of output power (roughly, it takes 12A at 39V and there is little loss, apart from the coil on power supply line). As for the power supply: the most expensive parts of the whole TX was a couple of 100V-rated big capacitors: I first thought that it would be better to use the PSU at 90V. I've been wrong: I tried this once and this caused rather a nice explosion of FETs (again). So now I prefer to stay at 45V but with twice as much current... Now I am using FT-990 as a signal source transmitting at 13.77MHz, attenuated and divided by 10 (74HC290). This is still not perfect because the output 137.7kHz signal easily interferes with the first divider stage. This causes strange loops and might also lead to a big bang. So during the transmission there are some additional grounding wires and shielding, which appears to be just enough. === I am still thousands miles from the point where I could say to anyone in the club: "Here is the TX, try it yourself". I am afraid it will never be like that: this will never work safe and solid. At least not the one made by me. === What I wrote about were just the main points in the TX construction, I encountered many smaller troubles at each stage, really. I think that when you get into problems it is good to leave the project for a few days, after that you have a fresh view on the problem and you find the solution quickly. However I really had a lot of fun and learned a lot with it. Thanks to members of this group you never stay alone! 73! Marek SQ5BPM ---------------------------------------------------- Plebiscyt na najlepszego sportowca Warszawy! Wyniki podczas Balu karnawalowego, badz tam! Juz dzis zobacz liste nominowanych Sportowców: http://klik.wp.pl/?adr=http%3A%2F%2Fsport.wp.pl%2Fwiadomosc.html%3Fwid%3D4737652&sid=102 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 71922 invoked from network); 20 Jan 2004 17:25:30 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 20 Jan 2004 17:25:30 -0000 Received: (qmail 55093 invoked from network); 20 Jan 2004 17:25:29 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 20 Jan 2004 17:25:27 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Aizd1-000E6l-JL for dave@picks.force9.co.uk; Tue, 20 Jan 2004 17:25:27 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AizcR-0000y0-KV for rs_out@blacksheep.org; Tue, 20 Jan 2004 17:24:51 +0000 Received: from [212.77.101.160] (helo=smtp.wp.pl) by post.thorcom.com with esmtp (Exim 4.14) id 1AizcR-0000xj-1X for rsgb_lf_group@blacksheep.org; Tue, 20 Jan 2004 17:24:51 +0000 Received: (WP-SMTPD 4319 invoked from network); 20 Jan 2004 18:24:20 +0100 Received: from br198.internetdsl.tpnet.pl (HELO SQ5BPMATHLON) (sq5bpm@[80.53.201.198]) (envelope-sender ) by smtp.wp.pl (wp-smtpd) with SMTP for ; 20 Jan 2004 18:24:19 +0100 X-Bad-Message-ID: no DNS (SQ5BPMATHLON) Message-ID: <000501c3df7a$3caeaaf0$6400a8c0@SQ5BPMATHLON> From: "Marek SQ5BPM" To: rsgb_lf_group@blacksheep.org Date: Tue, 20 Jan 2004 18:24:16 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Antivirus: skaner antywirusowy poczty Wirtualnej Polski S. A. X-WP-ChangeAV: 0 X-WP-AntySpam-Rezultat: NIE-SPAM Subject: Re: LF: Where to get TC44... and MUR1660?? Content-Type: text/plain; charset=iso-8859-2; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 > Hello all, > > I am wondering where I can get (one of) the following components: > [...] > TC4426 Hello, If this can be of any help, I am using ICL7667 instead of TC4426. There is no problem with it, I use a single chip since the beginning, it survived some explosions of FETs etc. ;-) Price is ca. $1 per piece + 22% VAT at www.semiconductors.com.pl . 73! Marek SQ5BPM From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 52480 invoked from network); 19 Jan 2004 12:22:57 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 19 Jan 2004 12:22:57 -0000 Received: (qmail 37187 invoked from network); 19 Jan 2004 12:22:57 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 19 Jan 2004 12:22:56 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AiYQi-0009YW-4K for dave@picks.force9.co.uk; Mon, 19 Jan 2004 12:22:56 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AiYQe-0001AD-5L for rs_out@blacksheep.org; Mon, 19 Jan 2004 12:22:52 +0000 Received: from [212.77.101.160] (helo=smtp.wp.pl) by post.thorcom.com with esmtp (Exim 4.14) id 1AiYQd-00019Z-IF for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 12:22:51 +0000 Received: (WP-SMTPD 10049 invoked from network); 19 Jan 2004 13:21:19 +0100 Received: from br198.internetdsl.tpnet.pl (HELO SQ5BPMATHLON) (sq5bpm@[80.53.201.198]) (envelope-sender ) by smtp.wp.pl (wp-smtpd) with SMTP for ; 19 Jan 2004 13:21:19 +0100 X-Bad-Message-ID: no DNS (SQ5BPMATHLON) Message-ID: <000501c3de86$be5e4960$6400a8c0@SQ5BPMATHLON> From: "Marek SQ5BPM" To: rsgb_lf_group@blacksheep.org Date: Mon, 19 Jan 2004 13:21:18 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Antivirus: skaner antywirusowy poczty Wirtualnej Polski S. A. X-WP-ChangeAV: 0 X-WP-AntySpam-Rezultat: NIE-SPAM Subject: Re: LF: Marek and others Content-Type: text/plain; charset=iso-8859-2; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 > Hallo to you, > saw Marek yesterday mostly O, sometimes M. > Several calls, but no response. Sorry Walter, I didn't have a single trace of your signal in Argo. Maybe next time I will have the receiving loop ready, which hopefully will improve the RX on my side: even though I hardly tried, I couldn't hear RU6LWZ on CW (sorry Ed). SP5ZCC in principle is not the best place for low bands due to QRMs - we are in the middle of an 18000 city and Warsaw is just a few kilometers away. It gets only worse as the time passes... > So with RU6LA, who > was stronger than Marek. Had QSO with Teo, > YU7AR, was audible most time with 25uV/50ohms, > ufb. YU7AR is usually audible here also (not yesterday though), I wonder if he can _hear_ our signal? Just BTW: Is there a simple common way to send the expression "audible" as an addition to the report during the QSO? I didn't find any info... If both stations send it, it would be a good opportunity to try CW. Sending the word "audible" is long and not practical. Something like four dashes instead of O would do, but... :-) Any ideas? Maybe "O!" ? Exclamation mark is not an international CW character and does not work in QRSS (even as a comma). So maybe a full-stop: "O." ? Or "O" followed by a number indicating the audible strength? Or just "O" and then "Sx" where x is a number? It would really make things easier! Talking via the Internet is not the way I like. Sorry if discussion alike has already happened on the reflector. > The 137.xx is a crazy band. For me it seems to be the > best way with a lot of work not to make a QSO, hi. Hard not to agree... > 73 Walter DJ2LF 73! Marek SQ5BPM From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 235 invoked from network); 18 Jan 2004 11:46:16 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 18 Jan 2004 11:46:16 -0000 Received: (qmail 4220 invoked from network); 18 Jan 2004 11:46:16 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 18 Jan 2004 11:46:15 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AiBNf-0000zF-AL for dave@picks.force9.co.uk; Sun, 18 Jan 2004 11:46:15 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AiBNA-0001zJ-Hn for rs_out@blacksheep.org; Sun, 18 Jan 2004 11:45:44 +0000 Received: from [212.77.101.160] (helo=smtp.wp.pl) by post.thorcom.com with esmtp (Exim 4.14) id 1AiBN9-0001zA-QZ for rsgb_lf_group@blacksheep.org; Sun, 18 Jan 2004 11:45:43 +0000 Received: (WP-SMTPD 20879 invoked from network); 18 Jan 2004 12:45:13 +0100 Received: from br198.internetdsl.tpnet.pl (HELO SQ5BPMATHLON) (sq5bpm@[80.53.201.198]) (envelope-sender ) by smtp.wp.pl (wp-smtpd) with SMTP for ; 18 Jan 2004 12:45:13 +0100 X-Bad-Message-ID: no DNS (SQ5BPMATHLON) Message-ID: <000a01c3ddb8$88a39a10$6400a8c0@SQ5BPMATHLON> From: "Marek SQ5BPM" To: rsgb_lf_group@blacksheep.org Date: Sun, 18 Jan 2004 12:45:12 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Antivirus: skaner antywirusowy poczty Wirtualnej Polski S. A. X-WP-ChangeAV: 0 X-WP-AntySpam-Rezultat: NIE-SPAM Subject: Re: LF: Busy band Content-Type: text/plain; charset=iso-8859-2; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 > OH5UFO, G3YXM, RU6LA (called him, no response ), > DK7FC, DL3FDO, S57A, SP5ZCC (called him, but no response ), > F6BWO. Yesterday I've been calling CQ many times during the evening using both QRSS 3s (137.715) and CW (136.700), only worked DL3FDO on QRSS in the end, however he faded away at the end of QSO. Apart of him I've only seen RU6LA, YU7AR, G3YXM (called him, but no response). I also heard OK1DTN (probably) on CW when the local QRM noise got a little lighter. In principle - I think there's no way for me to make a CW QSO (or longer distance QRSS QSO) during "prime time" on the TV. I've had extreme noise this Saturday between 2000z and 2230z, after that it got only better. Additionally there is something arcing in the nearby 15kV transmission line, when it "turns on" I have a white screen in Argo and it can be well heard on all bands including 2m. Fortunately it lasts usually no longer than ca. 1 minute. Anyway, I will try with a receiving loop next time (have to build it first HI). I measured with an oscilloscope what happens in the T antenna when receiving - there is ca. 20mV p-p of noise after the tuning coil, at the input of the selective preamplifier. After the preamplifier stage there is ca. 140mV p-p of signal, which in 90% consists of the DCF39 carrier (can be seen very well on the oscilloscope). This does not cause problems only when placed "far" from the RX passband - thus I am using the FT-990 on USB at 136300, having the QRSS sub-band in the far end of what Argo can copy (1400Hz); DCF is then at 2530Hz, well suppressed when additionally using 250Hz CW filter in the transceiver. If I have time this afternoon and evening, I will try to be QRV again, with a break for the http://www.qsl.net/on7yd/candlelight.htm . Hope the 15kV will stay off for a while ;-) 73! Marek SQ5BPM SP5ZCC Scouts Radio Club From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 92105 invoked from network); 14 Jan 2004 13:36:09 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 14 Jan 2004 13:36:09 -0000 Received: (qmail 29094 invoked from network); 14 Jan 2004 13:36:09 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 14 Jan 2004 13:36:07 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AglBn-0007SB-FC for dave@picks.force9.co.uk; Wed, 14 Jan 2004 13:36:07 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AglBd-0003hi-Ti for rs_out@blacksheep.org; Wed, 14 Jan 2004 13:35:57 +0000 Received: from [212.77.101.160] (helo=smtp.wp.pl) by post.thorcom.com with esmtp (Exim 4.14) id 1AglBd-0003hS-D7 for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 13:35:57 +0000 Received: (WP-SMTPD 14007 invoked from network); 14 Jan 2004 14:35:26 +0100 Received: from miglanc.socrates.org.pl (HELO lubon) (sq5bpm@[194.181.189.2]) (envelope-sender ) by smtp.wp.pl (wp-smtpd) with SMTP for ; 14 Jan 2004 14:35:26 +0100 X-Bad-Message-ID: no DNS (lubon) Message-ID: <00b501c3daa2$fed47740$2701a8c0@lubon> From: "Marek SQ5BPM" To: rsgb_lf_group@blacksheep.org References: <1AgPdH-1ZJ71l0@fwd11.sul.t-online.com> <004701c3da25$425ad500$2102000a@ibm> Date: Wed, 14 Jan 2004 14:33:26 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Antivirus: skaner antywirusowy poczty Wirtualnej Polski S. A. X-WP-ChangeAV: 0 X-WP-AntySpam-Rezultat: NIE-SPAM Subject: LF: Re: new here..little introduction Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 > Sofar I haven't seen any reports of interference caused by 136kHz > stations to consumers electronic devices. > Wonder how serious is the possibility of interfering in audio-equipement > in the neighbourhood?? Hi all, The only interference we found in our club was with our remote HF antenna switching equipment: LEDs connected to long, ca. 40m long cables going to remote relays glow during the transmission. These are probably not fully decoupled from RF, but this is not at all annoying, even better, this gives a visual sign of the transmitted signal HI. Additionally there is one rotor controller's "mouse" which is easy to get interferred by LF as well as HF. It has it's cable unshielded and connected straight to the uP inside the controller, so this is normal. Apart of that there is no known interference in our club and it's surrounding caused by LF at all. Which unfortunately cannot be said about higher frequencies, which easily get into audio & TV equipment ca. 100-150m around the club... 25W of average power ATV on 70cm makes visual "ghosts" on other TV signals. 50W on 50MHz or 144MHz usually causes a total "blackout" in our closest neighbours' TVs, don't ask what happens if we transmit using a little more power. HF causes interference only above ca. 250W, most problematic being the highest HF bands. However 400W of input power on 136kHz makes zero interference. === I will try to be active on LF this weekend at last, starting on Friday. It takes me more than an hour to prepare the TX and antenna plus QRSS QSOs are time-consuming so I must be certain I have at least a few hours of spare time, if I want to get active... 73! Marek SQ5BPM SP5ZCC Scouts Radio Club From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 67259 invoked from network); 6 Jan 2004 18:33:20 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 6 Jan 2004 18:33:20 -0000 Received: (qmail 50342 invoked from network); 6 Jan 2004 18:33:20 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 6 Jan 2004 18:33:19 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Adw11-000CzA-AK for dave@picks.force9.co.uk; Tue, 06 Jan 2004 18:33:19 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Adw0c-0007zn-7t for rs_out@blacksheep.org; Tue, 06 Jan 2004 18:32:54 +0000 Received: from [152.163.225.100] (helo=imo-r04.mx.aol.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Adw0b-0007ze-AD for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2004 18:32:53 +0000 X-Fake-Domain: MarkusVester@aol.com Received: from MarkusVester@aol.com by imo-r04.mx.aol.com (mail_out_v36_r4.8.) id l.66.3b0fd0b6 (17228) for ; Tue, 6 Jan 2004 13:32:20 -0500 (EST) From: MarkusVester@aol.com Message-ID: <66.3b0fd0b6.2d2c5933@aol.com> Date: Tue, 6 Jan 2004 13:32:19 EST To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Mailer: 8.0 for Windows sub 6104 Subject: LF: 2xTA split frequency work Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.7 required=5.0 tests=HTML_MESSAGE,HTML_TAG_BALANCE_HTML,NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit Hi Joe and group,

even though there was no QSO yesterday, I think that the concept is right, and you will be successful (again) sooner or later.

And I like the split-subband type of operation. Even with simultaneous transmit activity from my nearest neighbours (DJ2LF and DK1IS at 20 and 50km) plus a strong SXV, sensitivity in the top subband was in no way compromized. With an offset RX antenna a couple of 100m away, even full duplex operation would seem feasible in the future.

With my homebrew SSB transceiver, I had at first expected some difficulties to receive both bands at the same time. Normally this is not a problem as I work LF using USB above a fixed 135.5 kHz zerobeat, and generate variable audio signals with DL4YHF's SpecLab Digimode function. But for 135.922, this would mean 422 Hz TX input, which produced unacceptable audio-harmonic sidebands. In the past, I had avoided them by switching the LO down to 134.5, but this then of course forbids reception above 137.2 kHz, and it also caused some desensitizing due to SXV in the middle of the passband.

Yesterday I changed the scheme to 138.5 kHz LSB. The frequency was chosen to have DCF39's carrier suppressed enough to prevent overloading, but still keep it's residual image alias during FSK telegrams below 700 Hz (ie above 137.8 kHz). Then 137.777 becomes a comfortable 723Hz, while the transmit band centered around 2.58 kHz is already attenuated by the IF filter, avoiding blocking by my neighbours. Two separate instances of SpecLab do all the rest of the work, with IQ-downconversion, 21mHz FFT filtering and colour display of received azimuth.

Hope I haven't bored you with these technical details...

73 de Markus, DF6NM


In einer eMail vom 05.01.2004 17:57:18 Westeuropäische Normalzeit schreibt jcraig@mun.ca:

Alan G3NYK is predicting favourable condx for possible QSO's
so starting at 2300 tonight, I'll  TX 137.777 kHz and
RX 135.922 kHz +- 1.5 Hz starting 2330.  Will
repeat this at 0000 and activate beacon if no QSO.

Good signals have been received from CT1DRP, PA0SE, DF6NM
on a 15 turn 5 foot square loop.

Cheers
Joe VO1NA


 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 95474 invoked from network); 6 Jan 2004 01:59:11 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 6 Jan 2004 01:59:11 -0000 Received: (qmail 30306 invoked from network); 6 Jan 2004 01:59:11 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 6 Jan 2004 01:59:10 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AdgUw-0007m4-Gs for dave@picks.force9.co.uk; Tue, 06 Jan 2004 01:59:10 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdgUV-0000Vw-BH for rs_out@blacksheep.org; Tue, 06 Jan 2004 01:58:43 +0000 Received: from [205.188.157.35] (helo=imo-d03.mx.aol.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AdgUU-0000Vn-Et for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2004 01:58:42 +0000 X-Fake-Domain: MarkusVester@aol.com Received: from MarkusVester@aol.com by imo-d03.mx.aol.com (mail_out_v36_r4.8.) id l.8.43373904 (24895) for ; Mon, 5 Jan 2004 20:58:04 -0500 (EST) From: MarkusVester@aol.com Message-ID: <8.43373904.2d2b702c@aol.com> Date: Mon, 5 Jan 2004 20:58:04 EST To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Mailer: 8.0 for Windows sub 6104 Subject: LF: Re: LF 2xTA Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.7 required=5.0 tests=HTML_MESSAGE,HTML_TAG_BALANCE_HTML,NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit Hi Joe and group,

similar here: Just after 23:00, there was an "...o1...", but then the trace decayed to being unreadable. Noise is also louder than it was in the last two nights. - From receptions in the past, it seems that best SNR here occurs rather late, more like 03:00 to 07:00.

For the rest of tonight, I will join the beaconing group on 135922.1 / .2 dfcw, with extra long spaces between characters, to be able to continue watching 137777 and 137773.5.

Best wishes, and thanks for trying

Markus, DF6NM


In einer eMail vom 06.01.2004 01:36:56 Westeuropäische Normalzeit schreibt g3ldo@ukonline.co.uk:

Received an N and part of an A. At the moment condx too poor and unstable
for a QSO at this time.
Switching over to receive on .77355

Peter LDO



 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 55935 invoked from network); 5 Jan 2004 22:59:32 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 5 Jan 2004 22:59:32 -0000 Received: (qmail 7154 invoked from network); 5 Jan 2004 22:59:31 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 5 Jan 2004 22:59:31 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Addh4-0001kh-Ur for dave@picks.force9.co.uk; Mon, 05 Jan 2004 22:59:31 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AddgY-0006IK-IX for rs_out@blacksheep.org; Mon, 05 Jan 2004 22:58:58 +0000 Received: from [64.12.136.163] (helo=imo-m08.mx.aol.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AddgX-0006I4-R1 for rsgb_lf_group@blacksheep.org; Mon, 05 Jan 2004 22:58:57 +0000 X-Fake-Domain: MarkusVester@aol.com Received: from MarkusVester@aol.com by imo-m08.mx.aol.com (mail_out_v36_r4.8.) id l.f9.35db52f1 (18403) for ; Mon, 5 Jan 2004 17:58:20 -0500 (EST) From: MarkusVester@aol.com Message-ID: Date: Mon, 5 Jan 2004 17:58:19 EST To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Mailer: 8.0 for Windows sub 6104 Subject: LF: Re: LF 2xTA Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.7 required=5.0 tests=HTML_MESSAGE,HTML_TAG_BALANCE_HTML,NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit Dear Joe and all,

very nice... it looks like your announcement may well bring up another firework of Eu activity. This will give Laurence a chance to catch some more DX on their last night, and we can look out for his beacon alongside Joe's.

We will have to watch both bands to avoid stepping on each others toes. Frequencies already active during the warmup phase were 921.5, 922.1/.2, 922.5/.7, 923.35/.65 (but I won't give away call signs this time ;-)

Best of luck to everyone

Markus, DF6NM
 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 21292 invoked from network); 5 Jan 2004 01:37:01 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 5 Jan 2004 01:37:01 -0000 Received: (qmail 97013 invoked from network); 5 Jan 2004 01:37:00 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 5 Jan 2004 01:37:00 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AdJfw-000P7n-0P for dave@picks.force9.co.uk; Mon, 05 Jan 2004 01:37:00 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdJfa-0002yj-Ez for rs_out@blacksheep.org; Mon, 05 Jan 2004 01:36:38 +0000 Received: from [152.163.225.97] (helo=imo-r01.mx.aol.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AdJfZ-0002yZ-Os for rsgb_lf_group@blacksheep.org; Mon, 05 Jan 2004 01:36:37 +0000 X-Fake-Domain: MarkusVester@aol.com Received: from MarkusVester@aol.com by imo-r01.mx.aol.com (mail_out_v36_r4.8.) id l.1c3.1398e8ca (4446) for ; Sun, 4 Jan 2004 20:36:01 -0500 (EST) From: MarkusVester@aol.com Message-ID: <1c3.1398e8ca.2d2a1981@aol.com> Date: Sun, 4 Jan 2004 20:36:01 EST To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Mailer: 8.0 for Windows sub 6104 Subject: Re: LF: TA beaconing Mon 0:15 UT Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.2 required=5.0 tests=HTML_40_50,HTML_MESSAGE,HTML_TAG_BALANCE_HTML,NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit Hi group,

I'm on air now 135922.3/.4 DFCW.

Markus, DF6NM
 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 5098 invoked from network); 5 Jan 2004 00:26:33 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 5 Jan 2004 00:26:33 -0000 Received: (qmail 19655 invoked from network); 5 Jan 2004 00:26:33 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 5 Jan 2004 00:26:32 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AdIZk-0004zz-Ea for dave@picks.force9.co.uk; Mon, 05 Jan 2004 00:26:32 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdIZF-0001sZ-DH for rs_out@blacksheep.org; Mon, 05 Jan 2004 00:26:01 +0000 Received: from [205.188.157.38] (helo=imo-d06.mx.aol.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AdIZE-0001sM-Dn for rsgb_lf_group@blacksheep.org; Mon, 05 Jan 2004 00:26:00 +0000 X-Fake-Domain: MarkusVester@aol.com Received: from MarkusVester@aol.com by imo-d06.mx.aol.com (mail_out_v36_r4.8.) id l.8e.a662cb (657) for ; Sun, 4 Jan 2004 19:25:23 -0500 (EST) From: MarkusVester@aol.com Message-ID: <8e.a662cb.2d2a08f3@aol.com> Date: Sun, 4 Jan 2004 19:25:23 EST To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Mailer: 8.0 for Windows sub 6104 Subject: LF: TA beaconing Mon 0:15 UT Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.2 required=5.0 tests=HTML_20_30,HTML_MESSAGE,HTML_TAG_BALANCE_HTML,NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit Hi everybody,

tonight's short survey as seen in Nuernberg, JN59NK:

135922.95/923.05 CT1DRP dfcw60
135922.96  G3LDO qrss60 (currently colliding with Brian)
135921.52  SM6BHZ qrss60
135920.86  DJ8WX qrss30

... plenty of room !

Good luck again to all
Markus, DF6NM
 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 53657 invoked from network); 4 Jan 2004 21:08:47 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 4 Jan 2004 21:08:47 -0000 Received: (qmail 42376 invoked from network); 4 Jan 2004 21:08:46 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 4 Jan 2004 21:08:45 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AdFUL-000Aun-PE for dave@picks.force9.co.uk; Sun, 04 Jan 2004 21:08:45 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdFTl-0007Dc-GB for rs_out@blacksheep.org; Sun, 04 Jan 2004 21:08:09 +0000 Received: from [152.163.225.98] (helo=imo-r02.mx.aol.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AdFTi-0007DT-O2 for rsgb_lf_group@blacksheep.org; Sun, 04 Jan 2004 21:08:06 +0000 X-Fake-Domain: MarkusVester@aol.com Received: from MarkusVester@aol.com by imo-r02.mx.aol.com (mail_out_v36_r4.8.) id l.b4.26c9b556 (4402) for ; Sun, 4 Jan 2004 16:07:31 -0500 (EST) From: MarkusVester@aol.com Message-ID: Date: Sun, 4 Jan 2004 16:07:31 EST To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Mailer: 8.0 for Windows sub 6104 Subject: LF: Laurence's images of Jan 3. and 4. Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.0 required=5.0 tests=HTML_20_30,HTML_FONTCOLOR_BLUE,HTML_MESSAGE,HTML_TAG_BALANCE_HTML,LINK_TO_NO_SCHEME,NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit Dear Laurence and LF group,

using IrfanView, I have stitched the screenshots from your directory
www.kl1x.com/ARGO3/
into panoramic images covering a complete night each, with horizontal downsizing to a slow 30s/pixel, which apparently looses very little information. I have also tried to adjust the frequency scales of the second night to the Loran lines.

Despite the extraordinary bunch of activity, I couldn't find too many meaningful traces in last night's view, except for some activity on Uwe's frequency (DJ8WX, 920.86), a couple of fat dashes on 921.55 at 2 UT, and perhaps a line from SM6BHZ (921.52, 3 - 4 UT). But look for yourself:
http://members.aol.com/df6nm/kl1x_030104.gif (229kB)
http://members.aol.com/df6nm/kl1x_040104.gif (198kB)

The same scaling applied to John W1TAG's captures of PA0SE is on
http://members.aol.com/df6nm/w1tag_pa0se_30s_pix.gif (88kB)

Many thanks to all participants on both sides!

73 de Markus, DF6NM
 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 65012 invoked from network); 4 Jan 2004 00:23:12 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 4 Jan 2004 00:23:12 -0000 Received: (qmail 58399 invoked from network); 4 Jan 2004 00:23:12 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 4 Jan 2004 00:23:11 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Acw2x-000F5I-2C for dave@picks.force9.co.uk; Sun, 04 Jan 2004 00:23:11 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Acw2a-000534-0H for rs_out@blacksheep.org; Sun, 04 Jan 2004 00:22:48 +0000 Received: from [205.188.157.37] (helo=imo-d05.mx.aol.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Acw2Z-00052v-5i for rsgb_lf_group@blacksheep.org; Sun, 04 Jan 2004 00:22:47 +0000 X-Fake-Domain: MarkusVester@aol.com Received: from MarkusVester@aol.com by imo-d05.mx.aol.com (mail_out_v36_r4.8.) id l.115.2d4f82ef (4012) for ; Sat, 3 Jan 2004 19:22:11 -0500 (EST) From: MarkusVester@aol.com Message-ID: <115.2d4f82ef.2d28b6b3@aol.com> Date: Sat, 3 Jan 2004 19:22:11 EST To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Mailer: 8.0 for Windows sub 6104 Subject: Re: LF: Re: TA beaconing Sat/Sun Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.7 required=5.0 tests=HTML_MESSAGE,HTML_TAG_BALANCE_HTML,NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit Dear Jay and all,

I informed Walter DJ2LF of the possible problem, and he decided to move up to 135921.723, in the middle between PA0SE and SM6BHZ. The list at 00:10 is

135923.45/.55  CT1DRP dfcw 60s  ~-3dBľV/m
135922.50/.70  DK1IS dfcw 150s  36dBľV/m
135922.2/.3  DF6NM dfcw 60+20s
135921.93  PA0SE qrss 120s  ~13dBľV/m
135921.73  DJ2LF qrss 60s  42dBľV/m
135921.52  SM6BHZ  qrss 60s  18dBľV/m
135920.86  DJ8WX qrss 30s  ~10dBľV/m

73 de Markus

In einer eMail vom 04.01.2004 00:02:03 Westeuropäische Normalzeit schreibt JRusgrove@comcast.net:

One of the frequencies you listed 135919.76 is pretty close to a loran
line at 135919.732 which is currently visible here.


From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 37364 invoked from network); 3 Jan 2004 23:50:05 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 3 Jan 2004 23:50:05 -0000 Received: (qmail 53084 invoked from network); 3 Jan 2004 23:50:05 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 3 Jan 2004 23:50:04 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AcvWs-000DhB-6q for dave@picks.force9.co.uk; Sat, 03 Jan 2004 23:50:02 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AcvWV-0004bW-J1 for rs_out@blacksheep.org; Sat, 03 Jan 2004 23:49:39 +0000 Received: from [152.163.225.104] (helo=imo-r08.mx.aol.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AcvWU-0004bN-4l for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 23:49:38 +0000 X-Fake-Domain: MarkusVester@aol.com Received: from MarkusVester@aol.com by imo-r08.mx.aol.com (mail_out_v36_r4.8.) id l.9d.43019cc8 (3924) for ; Sat, 3 Jan 2004 18:49:02 -0500 (EST) From: MarkusVester@aol.com Message-ID: <9d.43019cc8.2d28aeed@aol.com> Date: Sat, 3 Jan 2004 18:49:01 EST To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Mailer: 8.0 for Windows sub 6104 Subject: LF: TA beaconing Sat/Sun 23:20 Content-Type: multipart/mixed; boundary="------------090405060708000004060003" X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.7 required=5.0 tests=HTML_MESSAGE,HTML_TAG_BALANCE_HTML,NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 This is a multi-part message in MIME format. --------------090405060708000004060003 Content-Type: text/html; charset=windows-1252 Content-Transfer-Encoding: 8bit Hi LF group,

at 23:20 UT, the following stations were seen on air:

135923.45/.55  CT1DRP dfcw 60s  ~-3dBľV/m
135922.50/.70  DK1IS dfcw 150s  36dBľV/m
135922.2/.3  DF6NM dfcw 60+20s (starting 23:40, 0.1Hz lower than yesterday)
135921.93  PA0SE qrss 120s  ~13dBľV/m
135921.52  SM6BHZ  qrss 60s  18dBľV/m
135920.86  DJ8WX qrss 30s  ~10dBľV/m
135919.75  DJ2LF qrss 60s  42dBľV/m

Happy watching!

73 de Markus, DF6NM


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unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 3 Jan 2004 21:52:19 -0000 Received: (qmail 84839 invoked from network); 3 Jan 2004 21:52:19 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 3 Jan 2004 21:52:18 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Actgw-000Lxd-4x for dave@picks.force9.co.uk; Sat, 03 Jan 2004 21:52:18 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ActgQ-0002yq-9y for rs_out@blacksheep.org; Sat, 03 Jan 2004 21:51:46 +0000 Received: from [152.163.225.97] (helo=imo-r01.mx.aol.com) by post.thorcom.com with esmtp (Exim 4.14) id 1ActgO-0002yQ-Ui for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 21:51:45 +0000 X-Fake-Domain: MarkusVester@aol.com Received: from MarkusVester@aol.com by imo-r01.mx.aol.com (mail_out_v36_r4.8.) id l.11d.29e1d82b (4312) for ; Sat, 3 Jan 2004 16:51:08 -0500 (EST) From: MarkusVester@aol.com Message-ID: <11d.29e1d82b.2d28934b@aol.com> Date: Sat, 3 Jan 2004 16:51:07 EST To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Mailer: 8.0 for Windows sub 6104 Subject: LF: TA beaconing Sat/Sun Content-Type: multipart/mixed; boundary="------------090401050504000104000400" X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.7 required=5.0 tests=HTML_MESSAGE,HTML_TAG_BALANCE_HTML,NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 This is a multi-part message in MIME format. --------------090401050504000104000400 Content-Type: text/html; charset=windows-1252 Content-Transfer-Encoding: 8bit Hi group,

a short overview of activity at 21 UT:

135923.45/.55   CT1DRP dfcw 60s ~-3dBľV/m
135921.52 "ZZ"  qrss 60s 18dBľV/m (the mysterious Z, direction north)
135920.86  DJ8WX qrss 30s ~10dBľV/m
135919.76  DJ2LF qrss (test) 42dBľV/m

I hope to join in around 23:00 on the usual pair 135922.3/.4 .

73 es gl

Markus, DF6NM
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network); 3 Jan 2004 20:14:44 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 3 Jan 2004 20:14:43 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AcsAV-0001yU-II for dave@picks.force9.co.uk; Sat, 03 Jan 2004 20:14:43 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AcsA1-0001dn-Mu for rs_out@blacksheep.org; Sat, 03 Jan 2004 20:14:13 +0000 Received: from [152.163.225.104] (helo=imo-r08.mx.aol.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AcsA0-0001dd-NE for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 20:14:12 +0000 X-Fake-Domain: MarkusVester@aol.com Received: from MarkusVester@aol.com by imo-r08.mx.aol.com (mail_out_v36_r4.8.) id l.113.2d61083a (30970) for ; Sat, 3 Jan 2004 15:13:37 -0500 (EST) From: MarkusVester@aol.com Message-ID: <113.2d61083a.2d287c71@aol.com> Date: Sat, 3 Jan 2004 15:13:37 EST To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Mailer: 8.0 for Windows sub 6104 Subject: Re: LF: TA 3 Jan Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.7 required=5.0 tests=HTML_MESSAGE,HTML_TAG_BALANCE_HTML,NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit Dear LF group,

- last night, what a night! Thank you for digging in the noise, posting Argoshots and for the comments on last night's transpolar crossings. I must confess it actually happened when I had dozed off in the shack besides the TX ;-) - When my transmission started around midnight, 200W output produced 2.4A and about 170mW EMRP. As the trees near the antenna froze colder and colder during the clear night, capacitive losses slowly decreased and the current went up to nearly 2.7A at sunrise.

PA0SE wrote:
>>Am I right that you are the second continental station after CT1DRP that crossed the Atlantic?<<

At least traces of several stations (from memory, DJ2LF, IK5ZPV, OK1FIG, OM2TW, SM6PXJ and myself, probably others as well) were seen by VE1ZJ and occasionally by W1TAG and W4DEX a couple of years ago. I was lucky enough to get a couple of good screenshots from John 'ZJ on Dec. 24th, 2001. In general, openings from central Eu tend to be rarer, shorter and several dBs weaker than from England, so last night's polar crossing with similar sigs from Peter and me was somewhat unexpected. - Now that we have an example of propagation on that path, I do hope one of us sees WD2XDW one of these nights before they have to leave Alaska.

W1VD wrote:
>> Change that last paragraph entry from QRSS60 to QRSS120. Would be interesting to try it for one night to see if it brings the signals up from the further east EU stations.<<

I am not convinced that using Argo120 with 5mHz vs 10mHz FFT bandwidth really helps all that much. The theoretical 3dB improvement does not occur when you compare the detectability of a signal of given constant duration, you can only trade in some visual incoherent (power) averaging against coherent (phase-sensitive) addition. But the former does not always have to be worse, the recognition of a dash in the noise as "several bright pixels alinged in a row" even relies on it. - My bottom line: I would prefer Argo 90s-slow, it has the same 10mHz resolution as Argo 60s, but does not stretch pixels that much and runs much longer per screenfull.

DJ8WX wrote:
>> PS. Markus, how do you measure the QRG? My counter on both QRGs displayed excactly 0.05Hz minus.<<

The LO at 134.5kHz is derived from an OCXO, which was calibrated against a precise  UHF-TV carrier (~10^-9) and, during all of last night, was locked to ZDF video line frequency (10^-8). The 1422.3/.4 Hz DFCW audio frequencies are generated by DL4YHF's SpecLab software, with the free-running soundcard samplerate calibrated using an audio signal derived from that same OCXO. Periodic checks on LORAN lines showed deviations which were less than 5mHz.

73, and best of luck (not only) for tonight,

Markus
 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 4708 invoked from network); 3 Jan 2004 05:35:22 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 3 Jan 2004 05:35:22 -0000 Received: (qmail 48706 invoked from network); 3 Jan 2004 05:35:22 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 3 Jan 2004 05:35:21 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AceRV-000CYu-AU for dave@picks.force9.co.uk; Sat, 03 Jan 2004 05:35:21 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AceQx-0007RJ-8e for rs_out@blacksheep.org; Sat, 03 Jan 2004 05:34:47 +0000 Received: from [64.12.136.161] (helo=imo-m06.mx.aol.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AceQw-0007RA-Kt for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 05:34:46 +0000 X-Fake-Domain: MarkusVester@aol.com Received: from MarkusVester@aol.com by imo-m06.mx.aol.com (mail_out_v36_r4.8.) id l.158.2adba09b (3956) for ; Sat, 3 Jan 2004 00:34:11 -0500 (EST) From: MarkusVester@aol.com Message-ID: <158.2adba09b.2d27ae53@aol.com> Date: Sat, 3 Jan 2004 00:34:11 EST To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Mailer: 8.0 for Windows sub 6104 Subject: Re: LF: signals Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.2 required=5.0 tests=HTML_20_30,HTML_MESSAGE,HTML_TAG_BALANCE_HTML,NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit Hi Laurence,

http://www.kl1x.com/ARGO3/42200275.jpg
- wow, thats much better than I had dared to expect ;-)

Will leave my TX on till ~7:30, past sunrise.

Thanks a lot
Markus


In einer eMail vom 03.01.2004 03:32:28 Westeuropäische Normalzeit schreibt hellozerohellozero@hotmail.com:

0230Z

I have dfcw signal 135,922.3 and 4 (hi) and dot 60 signal on 135,923,36 or
so

Heavy qrn from splurge mucking things up...

Laurence



 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 96858 invoked from network); 3 Jan 2004 00:22:02 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 3 Jan 2004 00:22:02 -0000 Received: (qmail 8160 invoked from network); 3 Jan 2004 00:22:02 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 3 Jan 2004 00:22:01 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AcZYH-00020u-GB for dave@picks.force9.co.uk; Sat, 03 Jan 2004 00:22:01 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AcZXl-0003QG-OC for rs_out@blacksheep.org; Sat, 03 Jan 2004 00:21:29 +0000 Received: from [193.82.59.20] (helo=post.omnieng.co.uk) by post.thorcom.com with esmtp (Exim 4.14) id 1AcZXk-0003Q7-UB for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 00:21:29 +0000 Received: from imo-r04.mx.aol.com ([152.163.225.100]) by post.omnieng.co.uk with esmtp (Exim 4.14) id 1AcZXk-00065d-Ck for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 00:21:28 +0000 X-Fake-Domain: MarkusVester@aol.com Received: from MarkusVester@aol.com by imo-r04.mx.aol.com (mail_out_v36_r4.8.) id l.1d2.1724e332 (4402) for ; Fri, 2 Jan 2004 19:20:54 -0500 (EST) From: MarkusVester@aol.com Message-ID: <1d2.1724e332.2d2764e6@aol.com> Date: Fri, 2 Jan 2004 19:20:54 EST To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Mailer: 8.0 for Windows sub 6104 X-SA-Exim-Rcpt-To: rsgb_lf_group@blacksheep.org Subject: LF: TA beaconing update Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.2 required=5.0 tests=HTML_20_30,HTML_MESSAGE,HTML_TAG_BALANCE_HTML,NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit Before midnight UT, Peter joined in, and DJ8WO came back on a new QRG:

135923.13 G3LDO qrss 60s (14dBľV/m qsb)
135922.3/.4 DF6NM  dfcw 60s/20s (~170mW EMRP)
135921.89 PA0SE  qrss 60s  (~13dBľV/m qsb)
135920.86 DJ8WO qrss 30s (13dBľV/m)

Markus
DF6NM in JN59NK


MarkusVester@aol.com wrote:

Hello America ;-)

tonight's Eu beacons at 23:15 UT are / were

135921.79 DJ8?O  QRSS 30s  (~13dBľV/m, QRT at 22:50 before I got a complete callsign)
135921.89 PA0SE  QRSS 60s  (~13dBľV/m)
135922.35 DF6NM  0.1Hz DFCW 60s/20s  (~177dBľV/m on the roof beneath the antenna ;-)

Good luck to all

Markus


 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 99758 invoked from network); 2 Jan 2004 23:19:05 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 2 Jan 2004 23:19:05 -0000 Received: (qmail 2146 invoked from network); 2 Jan 2004 23:19:05 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 2 Jan 2004 23:19:04 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AcYZM-0000QK-Bv for dave@picks.force9.co.uk; Fri, 02 Jan 2004 23:19:04 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AcYYW-0002bg-ME for rs_out@blacksheep.org; Fri, 02 Jan 2004 23:18:12 +0000 Received: from [64.12.136.161] (helo=imo-m06.mx.aol.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AcYYV-0002bS-VB for rsgb_lf_group@blacksheep.org; Fri, 02 Jan 2004 23:18:12 +0000 X-Fake-Domain: MarkusVester@aol.com Received: from MarkusVester@aol.com by imo-m06.mx.aol.com (mail_out_v36_r4.8.) id l.57.265678c3 (4184) for ; Fri, 2 Jan 2004 18:17:39 -0500 (EST) From: MarkusVester@aol.com Message-ID: <57.265678c3.2d275613@aol.com> Date: Fri, 2 Jan 2004 18:17:39 EST To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Mailer: 8.0 for Windows sub 6104 Subject: LF: TA beaconing Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.2 required=5.0 tests=HTML_20_30,HTML_MESSAGE,HTML_TAG_BALANCE_HTML,NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit Hello America ;-)

tonight's Eu beacons at 23:15 UT are / were

135921.79 DJ8?O  QRSS 30s  (~13dBľV/m, QRT at 22:50 before I got a complete callsign)
135921.89 PA0SE  QRSS 60s  (~13dBľV/m)
135922.35 DF6NM  0.1Hz DFCW 60s/20s  (~177dBľV/m on the roof beneath the antenna ;-)

Good luck to all

Markus

 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 48784 invoked from network); 24 Jan 2004 10:49:39 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 24 Jan 2004 10:49:39 -0000 Received: (qmail 58530 invoked from network); 24 Jan 2004 10:49:39 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 24 Jan 2004 10:49:38 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AkLMA-000F73-98 for dave@picks.force9.co.uk; Sat, 24 Jan 2004 10:49:38 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AkLLu-0005wj-Bo for rs_out@blacksheep.org; Sat, 24 Jan 2004 10:49:22 +0000 Received: from [62.253.162.46] (helo=mta06-svc.ntlworld.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AkLLt-0005wa-T7 for rsgb_lf_group@blacksheep.org; Sat, 24 Jan 2004 10:49:21 +0000 X-Fake-Domain: mikedennison Received: from mikedennison ([80.4.116.83]) by mta06-svc.ntlworld.com (InterMail vM.4.01.03.37 201-229-121-137-20020806) with ESMTP id <20040124104852.QWRF22499.mta06-svc.ntlworld.com@mikedennison> for ; Sat, 24 Jan 2004 10:48:52 +0000 From: "Mike Dennison" To: rsgb_lf_group@blacksheep.org Date: Sat, 24 Jan 2004 10:48:48 -0000 MIME-Version: 1.0 Message-ID: <40124D90.17682.71A778@localhost> In-reply-to: <001101c3e263$a9928f60$2102000a@ibm> X-Mailer: Pegasus Mail for Windows (v4.12a) Content-Description: Mail message body Subject: Re: LF: Thanks for usefull info! Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Dick, A lot of very useful info can be found in the RSGB's LF Experimenter's Handbook. See: http://www.rsgb.org/shop/acatalog/RSGB_On_Line_Shop_Low_Frequency_43.html Mike, G3XDV ============ > Hello, and once again thanks for the usefull info given by some of you. > Dick, pa4vhf From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 60633 invoked from network); 19 Jan 2004 12:44:42 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 19 Jan 2004 12:44:42 -0000 Received: (qmail 42312 invoked from network); 19 Jan 2004 12:44:41 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 19 Jan 2004 12:44:40 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AiYlk-000Amy-7A for dave@picks.force9.co.uk; Mon, 19 Jan 2004 12:44:40 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AiYlM-0001bo-VW for rs_out@blacksheep.org; Mon, 19 Jan 2004 12:44:16 +0000 Received: from [62.253.162.42] (helo=mta02-svc.ntlworld.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AiYlK-0001bf-DV for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 12:44:14 +0000 X-Fake-Domain: mikedennison Received: from mikedennison ([80.4.116.83]) by mta02-svc.ntlworld.com (InterMail vM.4.01.03.37 201-229-121-137-20020806) with ESMTP id <20040119124324.GCVX16066.mta02-svc.ntlworld.com@mikedennison> for ; Mon, 19 Jan 2004 12:43:24 +0000 From: "Mike Dennison" To: rsgb_lf_group@blacksheep.org Date: Mon, 19 Jan 2004 12:43:28 -0000 MIME-Version: 1.0 Message-ID: <400BD0F0.16406.5B9F54@localhost> In-reply-to: <000d01c3de82$b510d5c0$5967fea9@p4o2b7> X-Mailer: Pegasus Mail for Windows (v4.12a) Content-Description: Mail message body Subject: Re: LF: LF Activity. Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 On 19 Jan 2004 at 11:51, Ian Kyle wrote: > this posting is simply to inform any interested party or parties that as > from 1300z today I am quitting LF. > Ian GI8AYZ/MI0AYZ Ian, Well done for putting GI on the 73kHz map, and for your DX work on 136kHz from such a tiny garden. Best wishes for the future. Mike, G3XDV =========== From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 93800 invoked from network); 15 Jan 2004 03:09:05 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 15 Jan 2004 03:09:05 -0000 Received: (qmail 38264 invoked from network); 15 Jan 2004 03:09:05 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 15 Jan 2004 03:09:04 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AgxsV-0009qC-Vu for dave@picks.force9.co.uk; Thu, 15 Jan 2004 03:09:04 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Agxrt-0001P3-4f for rs_out@blacksheep.org; Thu, 15 Jan 2004 03:08:25 +0000 Received: from [213.46.243.28] (helo=amsfep15-int.chello.nl) by post.thorcom.com with esmtp (Exim 4.14) id 1Agxrn-0001Jo-IV for rsgb_lf_group@blacksheep.org; Thu, 15 Jan 2004 03:08:19 +0000 X-Fake-Domain: Peter Received: from Peter ([24.132.154.248]) by amsfep15-int.chello.nl (InterMail vM.6.00.05.02 201-2115-109-103-20031105) with SMTP id <20040115030749.FSDT3882.amsfep15-int.chello.nl@Peter> for ; Thu, 15 Jan 2004 04:07:49 +0100 X-Bad-Message-ID: no DNS (Peter) Message-ID: <029e01c3db14$7e78ca20$f89a8418@Peter> From: "Peter van Daalen" To: rsgb_lf_group@blacksheep.org References: <014d01c3dac6$cd3aabe0$f89a8418@Peter> <4005E8D7.7000301@mindspring.com> Date: Thu, 15 Jan 2004 04:05:56 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: LF and /MM performance offshore. Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_20_30,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
Thanks,  Frank, this is definitely most interesting info for me.
 
Could anyone make now a rough estimation of the possible total  /MM performance gain  in dB over a well equipped and favourably situated land station ?
 
I mean the  possible " real " seagain effect as per Franks speculation plus the effect of the " virtual " seagain thru much better antenna efficiency because of the vessels' steel hull and deck etc. in salt water plus  the effect of flat and undisturbed  360 degrees radiation surface ( sea  ) plus the effect of reduced or near zero manmade noise at high sea ( I have 26.4 KWH DC battery banks onboard for the EME in statu nascendi and during Rx/Tx  I switch AC generators off ).
All electrical/electronic gear ( except the mandatory navigation gear, but these are very well shielded ) is switched off during Rx.
 
73, Peter, PE1ECM
 
 
----- Original Message -----
From: "Frank Gentges" <fgentges@mindspring.com>
Sent: Thursday, January 15, 2004 2:11 AM
Subject: Re: LF: Re: lf andnoise and offshore.

> Peter,
>
> AMRAD conducted several winter trips to the Outer Banks of North
> Carolina to listen to LF signals in the days before transatlantic
> amateur signals were common.  The Outer Banks are a long narrow strip of
> land several miles offshore from the North Carolina mainland.  We
> observed LF broadcast signals and compared to what we were seeing at
> sites more inland were stronger.  We attributed this signal difference
> to sea gain and would put its value at 10 or more dB in the few cases we
> observed although we did not make careful measurements.
>
> The ITU has put together a model for radio propagation and includes a
> factor for sea gain.  It only works out to be worth a couple of dB in
> the test cases we ran.  I think the ITU model does not recognize the
> amount of sea gain that is available from moving to the sea coast for
> the really best conditions at least below 200 kHz..  I am convinced it
> is there and is significant.
>
> Also the noise was low but we could find quiet sites inland and we just
> could not hear the Transatlantic signals nearly as well inland.
>
> <caution, speculation on> I speculate that the LF waves are combining.
> and adding in phase due to the long wavelength, at the sea water
> interface and traveling in as surface waves stronger than the low angle
> sky waves that created them..  Similar to glints or mirages we see
> optically. <speculation off>   We can hear other surface waves at 770
> kHz on the Outer Banks from New York City duirng the day and night.  We
> cannot hear them much past a mile inland as the land kills the surface
> wave propagation.  While we did not conduct a similar experimant on LF I
> suspect they would also fade down to the sky wave strength if we went
> inland.
>
> Frank K0BRA
 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 21705 invoked from network); 14 Jan 2004 17:52:38 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 14 Jan 2004 17:52:38 -0000 Received: (qmail 42664 invoked from network); 14 Jan 2004 17:52:38 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 14 Jan 2004 17:52:37 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AgpC1-000AzP-Eu for dave@picks.force9.co.uk; Wed, 14 Jan 2004 17:52:37 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AgpBc-0000eH-BR for rs_out@blacksheep.org; Wed, 14 Jan 2004 17:52:12 +0000 Received: from [213.46.243.26] (helo=amsfep16-int.chello.nl) by post.thorcom.com with esmtp (Exim 4.14) id 1AgpBb-0000e1-Tc for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 17:52:11 +0000 X-Fake-Domain: Peter Received: from Peter ([24.132.154.248]) by amsfep16-int.chello.nl (InterMail vM.6.00.05.02 201-2115-109-103-20031105) with SMTP id <20040114175141.MEBQ13071.amsfep16-int.chello.nl@Peter> for ; Wed, 14 Jan 2004 18:51:41 +0100 X-Bad-Message-ID: no DNS (Peter) Message-ID: <014d01c3dac6$cd3aabe0$f89a8418@Peter> From: "Peter van Daalen" To: rsgb_lf_group@blacksheep.org Date: Wed, 14 Jan 2004 18:49:47 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: lf andnoise and offshore. Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Sorry, I made a most ennoying typo : I wrote : snip..... " Does sea again ( if any at all ? ) and low man made and evironment noise add substantially to the LF performance ? " snip..... While I meant to write : " Does seagain ( if any at all ? ) and etc... add substantially to LF performance ? " I do know something on sea gain on 144 Mhz ( for /MM EME purpose on moonrise and moonset ) but I am unaware of the seagain effects on LF. From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 46593 invoked from network); 14 Jan 2004 17:40:08 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 14 Jan 2004 17:40:08 -0000 Received: (qmail 63786 invoked from network); 14 Jan 2004 17:40:07 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 14 Jan 2004 17:40:06 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Agozu-000GTr-MT for dave@picks.force9.co.uk; Wed, 14 Jan 2004 17:40:06 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AgozQ-0000Rx-RX for rs_out@blacksheep.org; Wed, 14 Jan 2004 17:39:36 +0000 Received: from [213.46.243.22] (helo=amsfep14-int.chello.nl) by post.thorcom.com with esmtp (Exim 4.14) id 1AgozL-0000Rk-J4 for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 17:39:31 +0000 X-Fake-Domain: Peter Received: from Peter ([24.132.154.248]) by amsfep14-int.chello.nl (InterMail vM.6.00.05.02 201-2115-109-103-20031105) with SMTP id <20040114173900.JHLC20057.amsfep14-int.chello.nl@Peter> for ; Wed, 14 Jan 2004 18:39:00 +0100 X-Bad-Message-ID: no DNS (Peter) Message-ID: <014001c3dac5$075aceb0$f89a8418@Peter> From: "Peter van Daalen" To: rsgb_lf_group@blacksheep.org Date: Wed, 14 Jan 2004 18:37:06 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: lf andnoise and offshore. Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Good afternoon Rik, James and all. Your responses were very encouraging. I decided to try LF this spring. I got enthusiastic about the idea to try LF on /MM. I have two frequency standards ( better than 1e11 tau 1000 secs ), so very very QRSS will be an attractive option for me. I guess that very narrow FFT bins and very long integrating times should be possible. What is the longest sec/dot size that is used on amateur LF ? I noted that Rik's QRS program offers up to 60 sec per dot. Are there programs with much longer sec/dot times out there ? But before going /MM I have to build a LF station from scratch...... Therefore I need some help of your community. Do the various cheap car audio amps ( OP up to 600 W rms ) do a reasonable job on 137 Khz ( after possibly removing audio filters etc. ) or is the frequency roll-off disqualifying ? If disqualifying, does someone have a suggestion c.q. reference for me to build a Tx ? In the junkbox I have lots of Fairchild Power MOSFETS 75345P 55V 75 A ( ex various 24>220 V AC ships power sinus converters ) mounted on heavy alu cooling blocks. So, if I have to build the Tx PA myself, I prefer to use these FETS. Has someone a suggestion for a possibly suitable circuit diagram ? With an aerial effenciency that low, I guess the heat dissipation in the PA OP stage will be tremendous. Where is most of the heat dissipated ? Though I don't know as yet what outputstages are used on LF, I guess this will be in the tank/pi coil (?) and therefore I would welcome references to information as to minimizing dissipation loss in coils ( or wherever else the dissipation losses appear ). ( As I said before, I am an absolute virgin, at least on LF... :-) If advantageously, onboard I could build a very big multiturn loop aerial. Does big multiturn LF loop aerials have an advantage over straight wire aerials ? Is the maximum E(I?)RP still restricted to 1 W ? Is this restriction applicable to /MM offshore as well ( say midway on the North Sea between G and PA )? Thanks for your thoughts. 73, Peter PE1ECM > > Hi Peter, > > > > At open sea QRM (man made noise) levels are likely to be low (apart from > > what you generate on your vessel). So I wouldn't worry about QRM. > > But the main advantage of /MM operation is that the loss resistance (the > > main factor that determines antenna efficiency at LF) is extremely low > > By using the steel vessel as counterweight the loss can be less than a few > > Ohms, at land it is in the range of 30 ... 150 Ohm at 136 kHz. > > Your main problem might be to make a low loss loading coil, as the loss of > > a typical loading coil (on 136 kHz) is in the range of 5 to 20 Ohm. > > > > 73, Rik ON7YD > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 13069 invoked from network); 14 Jan 2004 13:47:17 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 14 Jan 2004 13:47:17 -0000 Received: (qmail 17178 invoked from network); 14 Jan 2004 13:47:17 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 14 Jan 2004 13:47:16 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AglMa-0004MG-MT for dave@picks.force9.co.uk; Wed, 14 Jan 2004 13:47:16 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AglMM-0003yh-48 for rs_out@blacksheep.org; Wed, 14 Jan 2004 13:47:02 +0000 Received: from [213.46.243.28] (helo=amsfep15-int.chello.nl) by post.thorcom.com with esmtp (Exim 4.14) id 1AglMJ-0003yN-AQ for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 13:46:59 +0000 X-Fake-Domain: Peter Received: from Peter ([24.132.154.248]) by amsfep15-int.chello.nl (InterMail vM.6.00.05.02 201-2115-109-103-20031105) with SMTP id <20040114134628.QFTC3882.amsfep15-int.chello.nl@Peter> for ; Wed, 14 Jan 2004 14:46:28 +0100 X-Bad-Message-ID: no DNS (Peter) Message-ID: <001901c3daa4$8afc2d20$f89a8418@Peter> From: "Peter van Daalen" To: rsgb_lf_group@blacksheep.org References: <000b01c3da88$611cf140$9f96883e@d6y6c7> Date: Wed, 14 Jan 2004 14:44:33 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: lf andnoise and offshore. Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi all, I am 100% new to LF. I lack any LF experience at all at the moment. Nevertheless, I consider to take a chance on LF. Does it make sense when I try to start LF from my ship /MM ( steel fishermen cutter ) instead of from my condo ? Does sea again ( if any at all ? ) and low man made en evironment noise add substantially to the LF performance ? ( Besides, on my vessel I could erect bigger aerials than at the home QTH ). Where could I find explanations on (possible ) sea gain on LF ? Where could I find information on the ( LF ) noise levels offshore ? Thanks for your appreciated thoughts. Peter, PE1ECM From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 12890 invoked from network); 3 Jan 2004 18:32:42 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 3 Jan 2004 18:32:42 -0000 Received: (qmail 78163 invoked from network); 3 Jan 2004 18:32:42 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 3 Jan 2004 18:32:39 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AcqZh-000KD5-Ok for dave@picks.force9.co.uk; Sat, 03 Jan 2004 18:32:37 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AcqZF-0000K5-Un for rs_out@blacksheep.org; Sat, 03 Jan 2004 18:32:09 +0000 Received: from [200.105.9.62] (helo=email01.skyonline.com.br) by post.thorcom.com with esmtp (Exim 4.14) id 1AcqZD-0000Jl-83 for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2004 18:32:07 +0000 X-Fake-Domain: local Received: from local ([::ffff:200.100.95.86]) (AUTH: LOGIN mramos@osite.com.br) by email01.skyonline.com.br with esmtp; Sat, 03 Jan 2004 17:31:25 -0200 X-Bad-Message-ID: no DNS (local) Message-ID: <005101c3d227$cf4b9360$6464a8c0@local> From: "PY3CRX PY2PLL" To: rsgb_lf_group@blacksheep.org References: <000c01c3d214$1be558a0$5ae4fc3e@l8p8y6> Date: Sat, 3 Jan 2004 16:31:19 -0200 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Watching 135.922 Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.2 required=5.0 tests=HTML_70_80,HTML_MESSAGE,HTML_TAG_EXISTS_TBODY autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
I´ll watch/recording 135.922 +/- 5Hz tonight too. Yesterday NIL. Summertime here, despite of good N/S propagation last night (several VLF utilities from US, Europe, Hawaii, Aurstralia, etc ... log below).
 
RX cndx:
 
RX = Kachina 505DSP, 100Hz IF filter
Soft = Argo 1024X768 version
Converter = TCXO + DBM to 10MHz IF
Antenna = shielded loop CATV 3/4" hardline, 2.5m diameter + pre amp 35dB gain (4dB NF).
 
73
Marcus, PY3CRX/PY2PLL
GG66rf
http://py.qsl.br
Active from "DC" to 24GHz
 

FREQ

EMISS

RST

UTC

DATE

MODE

COMMENTS

LOC

20.900

HWU

05:04

03-Jan-04

MSK

200Hz

France

21.400

NPM

05:10

03-Jan-04

MSK

200Hz

Hawaii

18.850

UNID

05:00

03-Jan-04

FSK

Shift 85Hz

?

22.100

3SA/3SB ??

05:12

03-Jan-04

MSK

100Hz

?

24.000

NAA

05:14

03-Jan-04

MSK

200Hz

USA

25.000

RJHxx

05:09

03-Jan-04

CW

Beta

RUS

25.500

RJHxx

05:11

03-Jan-04

CW

Beta

RUS

25.000

RJHxx

05:16

03-Jan-04

Time Code

Beta

RUS

37.500

NRK

05:20

03-Jan-04

MSK

200Hz

Iceland

40.750

NAU

05:22

03-Jan-04

MSK

200Hz

P. Rico

45.900

NSY

05:23

03-Jan-04

MSK

100Hz

Italy

51.950

GYW1

05:27

03-Jan-04

FSK

Shift 85Hz

Scotland

57.400

NRK

05:31

03-Jan-04

MSK

100Hz

Iceland

60.000

WWVB

05:33

03-Jan-04

Time Code

USA

61.835

UNID

05:35

03-Jan-04

F1B

Shift 85Hz, 100Bd

?

62.600

FUE

05:37

03-Jan-04

MSK

France

65.800

FUE

05:40

03-Jan-04

MSK

200Hz

France

68.750

MARS-75 ??

05:45

03-Jan-04

CW

Unid Carrier

?

70.250

MARS-75 ??

05:46

03-Jan-04

CW

Unid Carrier

?

73.600

CFH

05:47

03-Jan-04

MSK

200Hz

Canada

77.500

DCF77

05:49

03-Jan-04

Time Code

CW

Germany

133.240

Datatrak

05:53

03-Jan-04

null at 240

Argentina

146.450

Datatrak

05:59

03=jan-04

null at 240

Argentina

162.000

BC

06:05

03-Jan-04

AM/USB

French, Male + Female

19.550

UNID

06:14

03-Jan-04

MSK

200Hz

19.800

NWC

06:15

03-Jan-04

MSK

200Hz

Australia

25.200

NML4

06:23

03-Jan-04

MSK

200Hz

USA

81.000

GYN1

06:37

03-Jan-04

RTTY

Shift 85Hz / 50 baud

England

From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 72156 invoked from network); 23 Jan 2004 08:02:26 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 23 Jan 2004 08:02:26 -0000 Received: (qmail 55327 invoked from network); 23 Jan 2004 08:02:26 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 23 Jan 2004 08:02:24 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AjwGm-000EHN-NG for dave@picks.force9.co.uk; Fri, 23 Jan 2004 08:02:24 +0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AjwG0-0005lC-Lh for rs_out@blacksheep.org; Fri, 23 Jan 2004 08:01:36 +0000 Received: from [134.58.240.41] (helo=nibbel.kulnet.kuleuven.ac.be) by post.thorcom.com with esmtp (Exim 4.14) id 1AjwFz-0005kw-Sa for rsgb_lf_group@blacksheep.org; Fri, 23 Jan 2004 08:01:35 +0000 Received: from localhost (localhost [127.0.0.1]) by nibbel.kulnet.kuleuven.ac.be (Postfix) with ESMTP id A74A94B7FC for ; Fri, 23 Jan 2004 09:01:05 +0100 (CET) Received: from antonius.kulnet.kuleuven.ac.be (antonius.kulnet.kuleuven.ac.be [134.58.240.73]) by nibbel.kulnet.kuleuven.ac.be (Postfix) with ESMTP id 0FA1C4B4FA for ; Fri, 23 Jan 2004 09:01:05 +0100 (CET) X-Fake-Domain: dell-rik.fys.kuleuven.ac.be Received: from dell-rik.fys.kuleuven.ac.be (pc-10-33-165-177.fys.kuleuven.ac.be [10.33.165.177]) by antonius.kulnet.kuleuven.ac.be (Postfix) with ESMTP id CB2794C0D1 for ; Fri, 23 Jan 2004 09:01:04 +0100 (CET) Message-ID: <5.1.0.14.0.20040123085347.00b7cc68@u0019445.kuleuven.be> X-Sender: u0019445@u0019445.kuleuven.be X-Mailer: QUALCOMM Windows Eudora Version 5.1 Date: Fri, 23 Jan 2004 09:03:58 +0100 To: rsgb_lf_group@blacksheep.org From: "Rik Strobbe" In-reply-to: <001401c3e13b$36201c60$2102000a@ibm> References: <000c01c3e02e$600a21a0$01eafc3e@l8p8y6> <001501c3e058$ba617980$2102000a@ibm> <002501c3e121$12a54fe0$2102000a@ibm> MIME-Version: 1.0 X-Virus-Scanned: by KULeuven Antivirus Cluster Subject: Re: LF: more on my 'nasty'136kHz project............. Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit Hello Dick,

I get +17dBm out on 137kHz now.
There are a lot of harmonics in the (unfiltered) output; especially the 3f, 5f, 7f etc.
 
So, at least I am producing a signal on 137kHz (and maaaaaaaaaaaany other freqs) now.
 
At this point I am not sure what to do.....filtering or not??
I suppose I get these harmonics again in later (driver) stages so, maybe better to
do it at the end..........
No need to filter the drive signal if you are using a class-D amplifier (in fact it is best to drive a class-D amplifier with a quare wave).
A 2 or 3 stage low-pass filter at the PA output will get rid of the harmonics, a high-Q antenna will even improve that.

How to key is the next question.
I want to leave the VFO on all the time for better stability.
The 4060 will be switched off in RX situation, to aviod having a signal on 137kHz,
and in my receiver blocking the RX..........
I did some tests with the keying circuit used by OM2TW and DF3LP/DJ1ZB in their designs
using 2 stages with BC549, from which the first one is switched in its emitter.
However, this did not work fine.
I was able to key, but the output level was much lower then it's input, and the level of
harmonics etc where worse, compaired to the input signal of the circuit.
Best thing to do is to key the PA somewhere. Dave (G3YXM) has a nice design that provides really "soft keying". I do key a G3YXM-like PA at the input and have had any complaints about key clicks so far.

73, Rik  ON7YD
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 21497 invoked from network); 20 Jan 2004 14:55:41 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 20 Jan 2004 14:55:41 -0000 Received: (qmail 86235 invoked from network); 20 Jan 2004 14:55:40 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 20 Jan 2004 14:55:39 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AixI3-000MJu-9h for dave@picks.force9.co.uk; Tue, 20 Jan 2004 14:55:39 +0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AixHj-0006Mc-LR for rs_out@blacksheep.org; Tue, 20 Jan 2004 14:55:19 +0000 Received: from [134.58.240.45] (helo=thumbler.kulnet.kuleuven.ac.be) by post.thorcom.com with esmtp (Exim 4.14) id 1AixHj-0006MK-4u for rsgb_lf_group@blacksheep.org; Tue, 20 Jan 2004 14:55:19 +0000 Received: from localhost (localhost [127.0.0.1]) by thumbler.kulnet.kuleuven.ac.be (Postfix) with ESMTP id C6AAF137B34 for ; Tue, 20 Jan 2004 15:54:48 +0100 (CET) Received: from octavianus.kulnet.kuleuven.ac.be (octavianus.kulnet.kuleuven.ac.be [134.58.240.71]) by thumbler.kulnet.kuleuven.ac.be (Postfix) with ESMTP id 5549C137B11 for ; Tue, 20 Jan 2004 15:54:48 +0100 (CET) X-Fake-Domain: dell-rik.fys.kuleuven.ac.be Received: from dell-rik.fys.kuleuven.ac.be (pc-10-33-165-177.fys.kuleuven.ac.be [10.33.165.177]) by octavianus.kulnet.kuleuven.ac.be (Postfix) with ESMTP id 2EF24AEF47 for ; Tue, 20 Jan 2004 15:54:48 +0100 (CET) Message-ID: <5.1.0.14.0.20040120155308.036a8a60@u0019445.kuleuven.be> X-Sender: u0019445@u0019445.kuleuven.be X-Mailer: QUALCOMM Windows Eudora Version 5.1 Date: Tue, 20 Jan 2004 15:57:36 +0100 To: rsgb_lf_group@blacksheep.org From: "Rik Strobbe" In-reply-to: <000d01c3df63$892d0050$ee9bfea9@oben> References: <1074543877.400c3d051a334@webmail2.kuleuven.be> <5.1.0.14.0.20040120090129.0362e1d0@u0019445.kuleuven.be> MIME-Version: 1.0 X-Virus-Scanned: by KULeuven Antivirus Cluster Subject: Re: LF: Where to get TC44... and MUR1660?? Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit Not correct (at least not in Belgium & Netherlands)
At QRL I order Farnell components just because they have no minimum order and no package/transport costs.
Once I had to repair equipment and ordered 1 single transistor that costs 0.1 Euro. It was delived next day at no extra cost.

73, Rik  ON7YD

Farnell sells minimum 100 pieces TC4426.

From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 64162 invoked from network); 20 Jan 2004 08:07:25 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 20 Jan 2004 08:07:25 -0000 Received: (qmail 29739 invoked from network); 20 Jan 2004 08:07:25 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 20 Jan 2004 08:07:24 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Aiquy-0007ch-9d for dave@picks.force9.co.uk; Tue, 20 Jan 2004 08:07:24 +0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Aiqts-0006hW-EW for rs_out@blacksheep.org; Tue, 20 Jan 2004 08:06:16 +0000 Received: from [134.58.240.45] (helo=thumbler.kulnet.kuleuven.ac.be) by post.thorcom.com with esmtp (Exim 4.14) id 1Aiqtr-0006hN-SX for rsgb_lf_group@blacksheep.org; Tue, 20 Jan 2004 08:06:15 +0000 Received: from localhost (localhost [127.0.0.1]) by thumbler.kulnet.kuleuven.ac.be (Postfix) with ESMTP id A3167137A27 for ; Tue, 20 Jan 2004 09:05:45 +0100 (CET) Received: from antonius.kulnet.kuleuven.ac.be (antonius.kulnet.kuleuven.ac.be [134.58.240.73]) by thumbler.kulnet.kuleuven.ac.be (Postfix) with ESMTP id EC956137992 for ; Tue, 20 Jan 2004 09:05:44 +0100 (CET) X-Fake-Domain: dell-rik.fys.kuleuven.ac.be Received: from dell-rik.fys.kuleuven.ac.be (pc-10-33-165-177.fys.kuleuven.ac.be [10.33.165.177]) by antonius.kulnet.kuleuven.ac.be (Postfix) with ESMTP id AE9194C2C5 for ; Tue, 20 Jan 2004 09:05:44 +0100 (CET) Message-ID: <5.1.0.14.0.20040120090129.0362e1d0@u0019445.kuleuven.be> X-Sender: u0019445@u0019445.kuleuven.be X-Mailer: QUALCOMM Windows Eudora Version 5.1 Date: Tue, 20 Jan 2004 09:08:33 +0100 To: rsgb_lf_group@blacksheep.org From: "Rik Strobbe" In-reply-to: <00a901c3ded7$9c359cc0$2102000a@ibm> References: <1074543877.400c3d051a334@webmail2.kuleuven.be> MIME-Version: 1.0 X-Virus-Scanned: by KULeuven Antivirus Cluster Subject: Re: LF: Where to get TC44... and MUR1660?? Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit Dick,

they have all the TC44xx drivers at Farnell.
Be aware that the TC4421/22 are 9 Amp. versions and rather expensive (arround 10 Euro) while the TC4426/27 are 1.5 Amp. versions and cost less than 2 Euro.
The 1.5 Amp. version can drive a couple of FET's without any problem.

You can reach Farnell : 73, Rik  ON7YD

At 22:59 19/01/2004 +0100, you wrote:
Hello all,

I am wondering where I can get (one of) the following components:

TC4421
TC4422
TC4426
MUR1660CT

A google search didn't deliver a resonable result.
I am looking for a store/firm in Holland or Germany, as this is
the easiest way in case of ordering/paying.

Any suggestions??

Meanwhile I started to build the first part for my 136kHz station:
the 1370kHz VFO..........
The rest will be a lot of bits and pieces from various designs, likely
resulting in a QRPP transmitter capable of producing 100Watt or so.

73

Dick, PA4VHF (JO32eh)
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 31861 invoked from network); 19 Jan 2004 20:25:43 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 19 Jan 2004 20:25:43 -0000 Received: (qmail 68816 invoked from network); 19 Jan 2004 20:25:42 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 19 Jan 2004 20:25:41 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Aifxt-000Hn3-LF for dave@picks.force9.co.uk; Mon, 19 Jan 2004 20:25:41 +0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AifxM-0002fA-HA for rs_out@blacksheep.org; Mon, 19 Jan 2004 20:25:08 +0000 Received: from [134.58.240.42] (helo=rusty.kulnet.kuleuven.ac.be) by post.thorcom.com with esmtp (Exim 4.14) id 1AifxM-0002es-0N for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 20:25:08 +0000 Received: from localhost (localhost [127.0.0.1]) by rusty.kulnet.kuleuven.ac.be (Postfix) with ESMTP id A81FB1D7293 for ; Mon, 19 Jan 2004 21:24:37 +0100 (CET) Received: from lepidus.kulnet.kuleuven.ac.be (lepidus.kulnet.kuleuven.ac.be [134.58.240.72]) by rusty.kulnet.kuleuven.ac.be (Postfix) with ESMTP id 3562C1D7257 for ; Mon, 19 Jan 2004 21:24:37 +0100 (CET) Received: from localhost (webmail2.cc.kuleuven.ac.be [134.58.242.4]) by lepidus.kulnet.kuleuven.ac.be (Postfix) with ESMTP id 21EF2380154 for ; Mon, 19 Jan 2004 21:24:37 +0100 (CET) Received: from 117-185.241.81.adsl.skynet.be (117-185.241.81.adsl.skynet.be [81.241.185.117]) by webmail2.kuleuven.be (IMP) with HTTP for ; Mon, 19 Jan 2004 21:24:37 +0100 Message-ID: <1074543877.400c3d051a334@webmail2.kuleuven.be> Date: Mon, 19 Jan 2004 21:24:37 +0100 From: "Rik Strobbe" To: rsgb_lf_group@blacksheep.org References: In-reply-to: MIME-Version: 1.0 User-Agent: Internet Messaging Program (IMP) 3.2-cvs X-Originating-IP: 81.241.185.117 X-Virus-Scanned: by KULeuven Antivirus Cluster Subject: Re: LF: RE: Re: AC feeder... Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.7 required=5.0 tests=RISK_FREE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Rich, As long as the chokes have a "resonable" value (let's say 100 uH or more) it should be possible to match the antenna for 136 kHz at the base. But you will not only need to make the antenna resistive but probably also do some serious impedance matching. Some calculations can be done, but most of the tuning will likely be according to the "try and error" method using no-so-conventional matching circuits. Maybe this helps : In my early days on 136 kHz I did test a lot of antenna configurations. As it was not always convenient to have a TX running when trying to match a strange antenna I did the matching in "RX mode", as I didn't had an impedance bridge for 136 kHz I used following procedure : 1. Take a RX and tune it to the DCF on 138 kHz, it will produce a strong signal on almost any TX antenna. 2. connect a 20 dB attenuator (50 Ohm) to the TX input, this will assure that the impedance "seen by the antenna configuration" is close to 50 Ohm regardless of the real RX imput impedance. 3. connect the antenna - via the matching network you wish to test - to the attenuator input and "play" with the matching network until you get the strongest signal on the RX. In most cases I got the antenna matched pretty good to 50 Ohm (at 138 kHz) and fine tuning with the TX was done easily. The advantages are : - Don't worry about dammaging the TX due to bad SWR during the matching procedure. - No need a large collection of high-voltage C's and high current coils. Once you get the antenna matched in RX mode you can get the required high power components. - No risk of burning your fingers (or worse) during the matching - No need to put the TX off (or the risk to forget it) when removing a coil or capacitor. - No risks of fireworks when making a shortcircuit by accident. 73, Rik ON7YD > Yes, this is idea. But there are lights and they can't be switched > off > (there are not fuses, fuser are 500m away on the TX site...hi). > > Rich From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 62984 invoked from network); 19 Jan 2004 16:28:18 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 19 Jan 2004 16:28:18 -0000 Received: (qmail 32456 invoked from network); 19 Jan 2004 16:28:18 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 19 Jan 2004 16:28:15 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AicG6-00087P-TU for dave@picks.force9.co.uk; Mon, 19 Jan 2004 16:28:14 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AicFl-0006d2-92 for rs_out@blacksheep.org; Mon, 19 Jan 2004 16:27:53 +0000 Received: from [134.58.240.45] (helo=thumbler.kulnet.kuleuven.ac.be) by post.thorcom.com with esmtp (Exim 4.14) id 1AicFk-0006cl-NL for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 16:27:52 +0000 Received: from localhost (localhost [127.0.0.1]) by thumbler.kulnet.kuleuven.ac.be (Postfix) with ESMTP id 701C41379F5 for ; Mon, 19 Jan 2004 17:27:22 +0100 (CET) Received: from antonius.kulnet.kuleuven.ac.be (antonius.kulnet.kuleuven.ac.be [134.58.240.73]) by thumbler.kulnet.kuleuven.ac.be (Postfix) with ESMTP id E9D67137BEC for ; Mon, 19 Jan 2004 17:27:21 +0100 (CET) X-Fake-Domain: dell-rik.fys.kuleuven.ac.be Received: from dell-rik.fys.kuleuven.ac.be (pc-10-33-165-177.fys.kuleuven.ac.be [10.33.165.177]) by antonius.kulnet.kuleuven.ac.be (Postfix) with ESMTP id C27594C2C5 for ; Mon, 19 Jan 2004 17:27:21 +0100 (CET) Message-ID: <5.1.0.14.0.20040119170650.03792818@u0019445.kuleuven.be> X-Sender: u0019445@u0019445.kuleuven.be X-Mailer: QUALCOMM Windows Eudora Version 5.1 Date: Mon, 19 Jan 2004 17:30:11 +0100 To: rsgb_lf_group@blacksheep.org From: "Rik Strobbe" In-reply-to: MIME-Version: 1.0 X-Virus-Scanned: by KULeuven Antivirus Cluster Subject: RE: LF: Test failed... Content-Type: text/plain; charset=us-ascii; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 So John (W1TAG) was right with his second guess. However it is interesting that the 135 m tower was used on 1097 kHz (273 m wavelength), so it acted as a lambda/2 monopole. Since such antenna is high impedance (typical 1200 Ohm) the decoupling impedances of the light cables should be high too (probably several up to 10 kOhm at 1097 kHz). If it is non resonant (inductance only) then it should be still over 1000 Ohm at 136 kHz. But if the decoupling is resonant the impedance at 136 kHz may be as less as a few Ohm. It is likely that all 4 lamps are fed through a single decoupler, if you have access to that you can try to replace it by a one that is suitable on 136kHz. 73, Rik ON7YD At 16:13 19/01/2004 +0100, you wrote: >Hi Rik and others... > >After I discuss this problems with Bob OK2BVG and we found the problem. The >tower itsefs is DC isolated, but...on the tower are 4 lihgts (2x in 70m and >2x in 135m) powered by 410m of twisted-pair cable. So, this is total 820m of >wire well cupled with the antenna. This antenna has been on air for about 20 >year on the frequency 1097kHz. The filters are designed for this frequency >and have a very low reactance on 136kHz. Any idea? > >73 de Rich OM2TW From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 59165 invoked from network); 19 Jan 2004 13:56:18 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 19 Jan 2004 13:56:18 -0000 Received: (qmail 42161 invoked from network); 19 Jan 2004 13:56:18 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 19 Jan 2004 13:56:16 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AiZt2-000Aqg-Jp for dave@picks.force9.co.uk; Mon, 19 Jan 2004 13:56:16 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AiZsO-00034i-2i for rs_out@blacksheep.org; Mon, 19 Jan 2004 13:55:36 +0000 Received: from [134.58.240.42] (helo=rusty.kulnet.kuleuven.ac.be) by post.thorcom.com with esmtp (Exim 4.14) id 1AiZsN-00034V-5V for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 13:55:35 +0000 Received: from localhost (localhost [127.0.0.1]) by rusty.kulnet.kuleuven.ac.be (Postfix) with ESMTP id EC3E91D773F for ; Mon, 19 Jan 2004 14:55:04 +0100 (CET) Received: from octavianus.kulnet.kuleuven.ac.be (octavianus.kulnet.kuleuven.ac.be [134.58.240.71]) by rusty.kulnet.kuleuven.ac.be (Postfix) with ESMTP id 2D3021D7739 for ; Mon, 19 Jan 2004 14:55:04 +0100 (CET) X-Fake-Domain: dell-rik.fys.kuleuven.ac.be Received: from dell-rik.fys.kuleuven.ac.be (pc-10-33-165-177.fys.kuleuven.ac.be [10.33.165.177]) by octavianus.kulnet.kuleuven.ac.be (Postfix) with ESMTP id 07D4EAEF49 for ; Mon, 19 Jan 2004 14:55:04 +0100 (CET) Message-ID: <5.1.0.14.0.20040119140000.03714bf0@u0019445.kuleuven.be> X-Sender: u0019445@u0019445.kuleuven.be X-Mailer: QUALCOMM Windows Eudora Version 5.1 Date: Mon, 19 Jan 2004 14:57:53 +0100 To: rsgb_lf_group@blacksheep.org From: "Rik Strobbe" In-reply-to: MIME-Version: 1.0 X-Virus-Scanned: by KULeuven Antivirus Cluster Subject: Re: LF: Test failed... Content-Type: text/plain; charset=us-ascii; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Hello Rich, According to MMAMA the antenna capacitance should be something like 2.7nF, thus a loadingcoil of +/- 500uH would be needed. I assume that at least one of the variometers covered this range. It is a wild guess, but maybe the power is "DC grounded" using a coil from the antenna base to ground. If this coil is dimensioned for a much higher frequency (MF) it can cause rather strange effects on LF. Eg. : Assume the original use of the tower was a lambda/4 antenna at MF, for a 135 m tower that would be +/- 550 kHz. Antenna impedance (at 550kHz) would be +/- 36 Ohm, so "good engineering" would require a DC path to ground (for safety) with a Z of at least 10 times the antenna impedance = 360 Ohm. At 550 kHz this would mean a +/- 100 uH inductor. So, instead of seeing the antenna as a 2.7nF capacitor to ground it should be seen as a L-C parallel circuit (100 uH // 2.7 nF). Or in terms of reactances (at 136 kHz) : +j85 Ohm // -j433 Ohm = +j106 Ohm (= +/- 124 uH at 136 kHz). To get the antenna tuned (brought to resonance) you would need a series capacitor (not inductor !) with a reactance of -j106 Ohm at 136 kHz = +/- 11 nF. This kind of tuning will also cause impedance transformation : If the resistive component (radiation resistance + loss) is 20 Ohm it will be transformed to 1.2 Ohm and the "system Q" will rise from 22 to 108 (making tuning rather critical). 73, Rik ON7YD >We will try tu tune the antenna with your help, if anybody can help me. >I'll be very happy. >I'll give you all necessary datas: > >Vertical is 135m high with 170cm in diameter (no cap hat), there are 120 >radials in range from the base and 50m, after that are 240 radials between >range 50-130m. Each radial is from 6mm Cu wire about 30cm under the ground >level. Ground conductivity is 14,3mS. From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 33788 invoked from network); 15 Jan 2004 08:56:59 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 15 Jan 2004 08:56:59 -0000 Received: (qmail 13879 invoked from network); 15 Jan 2004 08:56:59 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 15 Jan 2004 08:56:58 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Ah3JB-0003Uy-R6 for dave@picks.force9.co.uk; Thu, 15 Jan 2004 08:56:57 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ah3IT-0006l4-L7 for rs_out@blacksheep.org; Thu, 15 Jan 2004 08:56:13 +0000 Received: from [134.58.240.45] (helo=thumbler.kulnet.kuleuven.ac.be) by post.thorcom.com with esmtp (Exim 4.14) id 1Ah3IS-0006kv-HS for rsgb_lf_group@blacksheep.org; Thu, 15 Jan 2004 08:56:12 +0000 Received: from localhost (localhost [127.0.0.1]) by thumbler.kulnet.kuleuven.ac.be (Postfix) with ESMTP id 567D3137835 for ; Thu, 15 Jan 2004 09:55:42 +0100 (CET) Received: from lepidus.kulnet.kuleuven.ac.be (lepidus.kulnet.kuleuven.ac.be [134.58.240.72]) by thumbler.kulnet.kuleuven.ac.be (Postfix) with ESMTP id BD3F11377E3 for ; Thu, 15 Jan 2004 09:55:41 +0100 (CET) X-Fake-Domain: dell-rik.fys.kuleuven.ac.be Received: from dell-rik.fys.kuleuven.ac.be (pc-10-33-165-177.fys.kuleuven.ac.be [10.33.165.177]) by lepidus.kulnet.kuleuven.ac.be (Postfix) with ESMTP id A986B380151 for ; Thu, 15 Jan 2004 09:55:41 +0100 (CET) Message-ID: <5.1.0.14.0.20040115093254.00baa4b0@u0019445.kuleuven.be> X-Sender: u0019445@u0019445.kuleuven.be X-Mailer: QUALCOMM Windows Eudora Version 5.1 Date: Thu, 15 Jan 2004 09:58:22 +0100 To: rsgb_lf_group@blacksheep.org From: "Rik Strobbe" In-reply-to: <014001c3dac5$075aceb0$f89a8418@Peter> MIME-Version: 1.0 X-Virus-Scanned: by KULeuven Antivirus Cluster Subject: Re: LF: lf andnoise and offshore. 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What is the longest sec/dot size that is used on amateur LF ?
I noted that Rik's QRS program offers up to 60 sec per dot.
Are there programs with much longer sec/dot times out there ?

Hi Peter,

You must have found a very old version of QRS (2.05 or even older).
Versions from 3.05 upward support up to 3600 sec dotlength (= 1 hour).

The latest version of QRS can be downloaded at various places :
G3YXM : http://www.wireless.org.uk/software.htm
LWCA : http://www.lwca.org/library/software/index.htm
NL9222 : http://home.wanadoo.nl/nl9222/software.htm
ON7YD : http://www.qsl.net/on7yd/ (click on software)

73, Rik  ON7YD

PS :
If there is any need I am willing to extend the maximum dotlength, if someone can convince me of the use of it.
I believe the ultimate limit can be calculated as :
  • Ham gets licenced at the age of 16 and dies at the age of 100 (I'm an optimist), so his "ham life" is 84 years (= +/- 44000000 minutes)
  • An average QRSS QSO at 3 sec/dot takes 25 minutes
  • A dotlength of +/- 5280000 seconds (= +/- 2 months) would allow an average QRSS QSO in a span of 84 years
This would improve SNR by 62 dB (+/- 10 S-points) over QRSS3 but would require a TX and RX stability of 0.2 ľHz (micro-Herz). Also forget about ionospheric propagation as the doppler-shift will ruin everything.
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 68873 invoked from network); 14 Jan 2004 14:47:07 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 14 Jan 2004 14:47:07 -0000 Received: (qmail 26490 invoked from network); 14 Jan 2004 14:47:07 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 14 Jan 2004 14:47:06 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AgmIU-0006kw-2q for dave@picks.force9.co.uk; Wed, 14 Jan 2004 14:47:06 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AgmI7-0005GT-8e for rs_out@blacksheep.org; Wed, 14 Jan 2004 14:46:43 +0000 Received: from [134.58.240.46] (helo=spoetnik.kulnet.kuleuven.ac.be) by post.thorcom.com with esmtp (Exim 4.14) id 1AgmI6-0005G7-PW for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 14:46:42 +0000 Received: from localhost (localhost [127.0.0.1]) by spoetnik.kulnet.kuleuven.ac.be (Postfix) with ESMTP id 89D603434E for ; Wed, 14 Jan 2004 15:46:12 +0100 (CET) Received: from lepidus.kulnet.kuleuven.ac.be (lepidus.kulnet.kuleuven.ac.be [134.58.240.72]) by spoetnik.kulnet.kuleuven.ac.be (Postfix) with ESMTP id 1703F342F6 for ; Wed, 14 Jan 2004 15:46:12 +0100 (CET) X-Fake-Domain: dell-rik.fys.kuleuven.ac.be Received: from dell-rik.fys.kuleuven.ac.be (pc-10-33-165-177.fys.kuleuven.ac.be [10.33.165.177]) by lepidus.kulnet.kuleuven.ac.be (Postfix) with ESMTP id B7254380151 for ; Wed, 14 Jan 2004 15:46:11 +0100 (CET) Message-ID: <5.1.0.14.0.20040114154224.035c0db0@u0019445.kuleuven.be> X-Sender: u0019445@u0019445.kuleuven.be X-Mailer: QUALCOMM Windows Eudora Version 5.1 Date: Wed, 14 Jan 2004 15:48:54 +0100 To: rsgb_lf_group@blacksheep.org From: "Rik Strobbe" In-reply-to: MIME-Version: 1.0 X-Virus-Scanned: by KULeuven Antivirus Cluster Subject: Re: LF: RE: Key in QRS?? Content-Type: text/plain; charset=us-ascii; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Hello Ed and Rich, Implementing a fast CW keyer with all the goodies such as variable speed, memo etc.. is not a simple task. So far I stayed away from this as I believed that there is plenty of fast CW software available and there is no need of re-inventing the wheel. A much simpler task however is to change the configuration of the LPT (or COM) port in QRS, to make it identical to DX4WIN or whatever is your favorite fast CW software. Just let me know what pins are used (for key and for PTT) ... 73, Rik ON7YD >Good idea. I have 2 interfaces build (for CW and also for QRSS) and switched >by LPT switch. For CW I'm using internal keyer from logging program DX4WIN >and QRSS with QRS (ON7YD). Problem is that both are working on LPT, but >intrefaces are not identical. > >Rich OM2TW > >Btw, all HW is ready for expedition to the 135m high tower, weather is very >good, snow is melting away. We will be QRV direct from PI-match under the >antenna. > > > >-----Original Message----- >From: Ed Lesnichy [mailto:ed@dx.ru] >Sent: Wednesday, January 14, 2004 5:17 PM >To: Rik Strobbe >Subject: LF: Key in QRS?? > > >Dear Rik, > >I for a field/DXpedition conditions should carry an external electronic key >or ordinary key for realization CW QSOs. Such external key to me should be >connected to TX. > >It would be convenient to have a key(from PC's keyboard) in QRS. >A keyboard's key in the program have all contest-programs. >Hot key is standart: ALT-K for enable/disable keyboard CW mode and >open/close small window, and ALT-V for set(Vary) CW speed. >All external connections PC - TX already are in PC(QRS)- TX > >Whether probably such to add internal keyboard's key in next QRS's >versions and under same interface (as for QRSS) via COM/LPT? > >TNX for QRS! > >73! Ed RU6LA ed@dx.ru http://136.73.ru > >P.S. Do you received my special QSL-card? From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 45999 invoked from network); 14 Jan 2004 14:37:29 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 14 Jan 2004 14:37:29 -0000 Received: (qmail 30279 invoked from network); 14 Jan 2004 14:37:29 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 14 Jan 2004 14:37:27 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Agm99-0007kD-D1 for dave@picks.force9.co.uk; Wed, 14 Jan 2004 14:37:27 +0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Agm8X-0004z0-GB for rs_out@blacksheep.org; Wed, 14 Jan 2004 14:36:49 +0000 Received: from [134.58.240.46] (helo=spoetnik.kulnet.kuleuven.ac.be) by post.thorcom.com with esmtp (Exim 4.14) id 1Agm8X-0004yl-0r for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 14:36:49 +0000 Received: from localhost (localhost [127.0.0.1]) by spoetnik.kulnet.kuleuven.ac.be (Postfix) with ESMTP id C852B342FB for ; Wed, 14 Jan 2004 15:36:18 +0100 (CET) Received: from lepidus.kulnet.kuleuven.ac.be (lepidus.kulnet.kuleuven.ac.be [134.58.240.72]) by spoetnik.kulnet.kuleuven.ac.be (Postfix) with ESMTP id 3DDD334228 for ; Wed, 14 Jan 2004 15:36:18 +0100 (CET) X-Fake-Domain: dell-rik.fys.kuleuven.ac.be Received: from dell-rik.fys.kuleuven.ac.be (pc-10-33-165-177.fys.kuleuven.ac.be [10.33.165.177]) by lepidus.kulnet.kuleuven.ac.be (Postfix) with ESMTP id 1AF6A380152 for ; Wed, 14 Jan 2004 15:36:18 +0100 (CET) Message-ID: <5.1.0.14.0.20040114153159.0359fdd8@u0019445.kuleuven.be> X-Sender: u0019445@u0019445.kuleuven.be X-Mailer: QUALCOMM Windows Eudora Version 5.1 Date: Wed, 14 Jan 2004 15:39:01 +0100 To: rsgb_lf_group@blacksheep.org From: "Rik Strobbe" In-reply-to: <001901c3daa4$8afc2d20$f89a8418@Peter> References: <000b01c3da88$611cf140$9f96883e@d6y6c7> MIME-Version: 1.0 X-Virus-Scanned: by KULeuven Antivirus Cluster Subject: Re: LF: lf andnoise and offshore. Content-Type: text/plain; charset=us-ascii; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Hi Peter, At open sea QRM (man made noise) levels are likely to be low (apart from what you generate on your vessel). So I wouldn't worry about QRM. But the main advantage of /MM operation is that the loss resistance (the main factor that determines antenna efficiency at LF) is extremely low By using the steel vessel as counterweight the loss can be less than a few Ohms, at land it is in the range of 30 ... 150 Ohm at 136 kHz. Your main problem might be to make a low loss loading coil, as the loss of a typical loading coil (on 136 kHz) is in the range of 5 to 20 Ohm. 73, Rik ON7YD At 14:44 14/01/2004 +0100, you wrote: >Hi all, > >I am 100% new to LF. >I lack any LF experience at all at the moment. >Nevertheless, I consider to take a chance on LF. > >Does it make sense when I try to start LF from my ship /MM ( steel >fishermen cutter ) instead of from my condo ? >Does sea again ( if any at all ? ) and low man made en evironment noise add >substantially to the LF performance ? >( Besides, on my vessel I could erect bigger aerials than at the home QTH ). > >Where could I find explanations on (possible ) sea gain on LF ? >Where could I find information on the ( LF ) noise levels offshore ? > >Thanks for your appreciated thoughts. > >Peter, PE1ECM From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 82676 invoked from network); 14 Jan 2004 11:22:29 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 14 Jan 2004 11:22:29 -0000 Received: (qmail 94567 invoked from network); 14 Jan 2004 11:22:29 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 14 Jan 2004 11:22:27 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Agj6R-000ONh-Oz for dave@picks.force9.co.uk; Wed, 14 Jan 2004 11:22:27 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Agj69-0000jQ-HJ for rs_out@blacksheep.org; Wed, 14 Jan 2004 11:22:09 +0000 Received: from [134.58.240.45] (helo=thumbler.kulnet.kuleuven.ac.be) by post.thorcom.com with esmtp (Exim 4.14) id 1Agj68-0000jF-UO for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 11:22:09 +0000 Received: from localhost (localhost [127.0.0.1]) by thumbler.kulnet.kuleuven.ac.be (Postfix) with ESMTP id B97FB137B0B for ; Wed, 14 Jan 2004 12:21:38 +0100 (CET) Received: from lepidus.kulnet.kuleuven.ac.be (lepidus.kulnet.kuleuven.ac.be [134.58.240.72]) by thumbler.kulnet.kuleuven.ac.be (Postfix) with ESMTP id 4B26B137A19 for ; Wed, 14 Jan 2004 12:21:38 +0100 (CET) X-Fake-Domain: dell-rik.fys.kuleuven.ac.be Received: from dell-rik.fys.kuleuven.ac.be (pc-10-33-165-177.fys.kuleuven.ac.be [10.33.165.177]) by lepidus.kulnet.kuleuven.ac.be (Postfix) with ESMTP id 38083380152 for ; Wed, 14 Jan 2004 12:21:38 +0100 (CET) Message-ID: <5.1.0.14.0.20040114120559.0329e590@u0019445.kuleuven.be> X-Sender: u0019445@u0019445.kuleuven.be X-Mailer: QUALCOMM Windows Eudora Version 5.1 Date: Wed, 14 Jan 2004 12:24:20 +0100 To: rsgb_lf_group@blacksheep.org From: "Rik Strobbe" In-reply-to: <000501c3da8c$0b1f8ec0$a887883e@d6y6c7> MIME-Version: 1.0 X-Virus-Scanned: by KULeuven Antivirus Cluster Subject: Re: LF: Re. Timing GPS Content-Type: text/plain; charset=us-ascii; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Hello Laurie, In QRS you can activate a synchronization function : click on "Setup", then on "Sync." You can synchronize the start of the transmission to 1 minute, 2 minutes, 5 minutes, 10 minutes, 30 minutes or 1 hour. Eg. : if you select 1 minute and you push on start at 11h12m13s QRS will wait until the next full minute (11h13m00s) to start. If you select 2 minutes QRS will wait until the next even minute, If you select 5 minutes QRS will wait until the next multiple of 5 minutes etc. As the recent versions of QRS use the computer clock to calculate the keying synchronization should be maintained. I did some rudimental testing on the Sync. function and it seemed OK. I don't think that someone already tested it more intense, but feel free to test this function and let me know if it works and/or if it does what you need. In problems occur or you need another kind of synchronization I will (try to) solve it and release a new version of QRS. 73, Rik PS : The spell checker insists on writing synchronization (with Z, not S). It looks odd to me, any native English who can confirm this ? (or is it one of these subtile differences between British and American English) At 10:48 14/01/2004 +0000, you wrote: >Hi All, >As suggested on this reflector I have loaded a clock synchronisation program >from DIMENSION 4. This appears to hold my computer clock in synch with my >Rugby clock. Would it not be possible to use this source of timing to >synchronise QRS and ARGO programs ? >resulting in better sig/noise than with present completely unsynchronised >systems. Any ideas anyone ? >73 Laurie. From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 15241 invoked from network); 12 Jan 2004 15:33:52 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 12 Jan 2004 15:33:52 -0000 Received: (qmail 8477 invoked from network); 12 Jan 2004 15:33:52 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 12 Jan 2004 15:33:51 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Ag44d-00025b-1t for dave@picks.force9.co.uk; Mon, 12 Jan 2004 15:33:51 +0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ag449-00025b-6y for rs_out@blacksheep.org; Mon, 12 Jan 2004 15:33:21 +0000 Received: from [134.58.240.41] (helo=nibbel.kulnet.kuleuven.ac.be) by post.thorcom.com with esmtp (Exim 4.14) id 1Ag448-00024C-IO for rsgb_lf_group@blacksheep.org; Mon, 12 Jan 2004 15:33:20 +0000 Received: from localhost (localhost [127.0.0.1]) by nibbel.kulnet.kuleuven.ac.be (Postfix) with ESMTP id 5CC354B4EA for ; Mon, 12 Jan 2004 16:32:50 +0100 (CET) Received: from lepidus.kulnet.kuleuven.ac.be (lepidus.kulnet.kuleuven.ac.be [134.58.240.72]) by nibbel.kulnet.kuleuven.ac.be (Postfix) with ESMTP id BC9894B617 for ; Mon, 12 Jan 2004 16:32:49 +0100 (CET) X-Fake-Domain: dell-rik.fys.kuleuven.ac.be Received: from dell-rik.fys.kuleuven.ac.be (pc-10-33-165-177.fys.kuleuven.ac.be [10.33.165.177]) by lepidus.kulnet.kuleuven.ac.be (Postfix) with ESMTP id 80E57380151 for ; Mon, 12 Jan 2004 16:32:49 +0100 (CET) Message-ID: <5.1.0.14.0.20040112162906.037a6718@u0019445.kuleuven.be> X-Sender: u0019445@u0019445.kuleuven.be X-Mailer: QUALCOMM Windows Eudora Version 5.1 Date: Mon, 12 Jan 2004 16:35:29 +0100 To: rsgb_lf_group@blacksheep.org From: "Rik Strobbe" In-reply-to: <001301c3d91c$76072fc0$09dc9384@jka> References: <007a01c3d870$20dd0bc0$0500a8c0@charter.net> <304614133.20040112111754@dx.ru> <002801c3d90b$b41134c0$0500a8c0@charter.net> <004401c3d914$cdb10690$1f00a8c0@dellboy> MIME-Version: 1.0 X-Virus-Scanned: by KULeuven Antivirus Cluster Subject: Re: LF: Re: Re: Re: Re: First WOLF QSO! Content-Type: text/plain; charset=us-ascii; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Hello John, Dave, I believe that it might be difficult to compare QRSS and WOLF as their effectivity also depends on propagation conditions. As WOLF is repeating the message over and over at a rather high speed it can take advantage of short propagation peaks, this is not the case with QRSS where the message is sent a single time at a very slow speed. At the other hand QRSS might be better when propagation is rather stable but very weak (or for surface wave propagation). 73, Rik ON7YD At 09:57 12/01/2004 -0500, you wrote: >Dave, > >We did some tests a couple of years ago involving two similar stations near >each other that were about 1800 km from me. One ran QRSS60, the other WOLF. >I think we did the tests for about a week, and found similar results. >Neither had a clear advantage over that period. The conclusion was that the >effectiveness of WOLF was about the same as QRSS60. > >While our QSO of yesterday did not fully exercise WOLF's capability, do >realize that we were receiving 15 characters in a 20 minute period. QRSS60 >can't do that! > >As originally conceived by Stewart Nelson, the "reference channel" could be >used to exchange signal report information. Neither that nor real-time >decoding has been realized, however. It does remain an interesting mode, >with a number of limitations as listed in Alan Melia's message of this >morning. For U.S. Lowfers, bandwidth is not an issue, and the potential for >anything but very local interference is limited. > >I do believe that gps-locked slower BPSK has more potential at LF, and am >slowly working on getting set up for that. Underline the word "slowly," >though! > >John Andrews, W1TAG From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 56860 invoked from network); 7 Jan 2004 10:06:38 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 7 Jan 2004 10:06:38 -0000 Received: (qmail 23101 invoked from network); 7 Jan 2004 10:06:38 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 7 Jan 2004 10:06:36 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AeAaC-0005pj-PN for dave@picks.force9.co.uk; Wed, 07 Jan 2004 10:06:36 +0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AeAZc-0004KS-Uf for rs_out@blacksheep.org; Wed, 07 Jan 2004 10:06:00 +0000 Received: from [134.58.240.46] (helo=spoetnik.kulnet.kuleuven.ac.be) by post.thorcom.com with esmtp (Exim 4.14) id 1AeAZc-0004KB-EY for rsgb_lf_group@blacksheep.org; Wed, 07 Jan 2004 10:06:00 +0000 Received: from localhost (localhost [127.0.0.1]) by spoetnik.kulnet.kuleuven.ac.be (Postfix) with ESMTP id 3F53C34204 for ; Wed, 7 Jan 2004 11:05:30 +0100 (CET) Received: from octavianus.kulnet.kuleuven.ac.be (octavianus.kulnet.kuleuven.ac.be [134.58.240.71]) by spoetnik.kulnet.kuleuven.ac.be (Postfix) with ESMTP id C55D1341FA for ; Wed, 7 Jan 2004 11:05:29 +0100 (CET) X-Fake-Domain: dell-rik.fys.kuleuven.ac.be Received: from dell-rik.fys.kuleuven.ac.be (pc-10-33-165-177.fys.kuleuven.ac.be [10.33.165.177]) by octavianus.kulnet.kuleuven.ac.be (Postfix) with ESMTP id 9D8FDAEA24 for ; Wed, 7 Jan 2004 11:05:29 +0100 (CET) Message-ID: <5.1.0.14.0.20040107110518.03a51aa0@u0019445.kuleuven.be> X-Sender: u0019445@u0019445.kuleuven.be X-Mailer: QUALCOMM Windows Eudora Version 5.1 Date: Wed, 07 Jan 2004 11:08:03 +0100 To: rsgb_lf_group@blacksheep.org From: "Rik Strobbe" In-reply-to: <001501c3d4fc$10a34b10$6800a8c0@athlon> References: <000201c3d2f3$c4fb5f40$61e4fc3e@l8p8y6> <6.0.1.1.2.20031229161651.027e8660@POP3.freeler.nl> <000001c3d009$acf7a620$c7e47f50@Smisan> <6.0.1.1.2.20040103121138.0280f960@POP3.freeler.nl> <000601c3d2c3$2bd34e70$b733f7c2@johnb5a82ea1a4> <6.0.1.1.2.20040104163146.027efbe0@POP3.freeler.nl> <000201c3d2f3$c4fb5f40$61e4fc3e@l8p8y6> <5.1.0.14.0.20040106090928.03a8c2a0@u0019445.kuleuven.be> <5.1.0.14.0.20040106114939.03b15778@u0019445.kuleuven.be> MIME-Version: 1.0 X-Virus-Scanned: by KULeuven Antivirus Cluster Subject: Re: LF: Horizontally polarised radiation Content-Type: text/plain; charset=us-ascii; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Dave, Thanks for the info. Where did Bruce order the gully ? I'm interested in one to enhance my LF signal. 73, Rik ON7YD At 21:55 7/01/2004 +1300, you wrote: >Rik >The ZL1WB LF antenna is strung across a gully and has between 300 and 600 >feet ground clearance. Support to support distance is around 1km but there >is quite a bit of sag, as you might expect-hence the ~3500 foot wire length. >(sorry for mixing units-it's probably a sign of age!) It's fed at one end >against ground and Bruce typically uses 40 watts or so of RF-he has a very >good LF signal around ZL, as you might expect. >73 > Dave, ZL3FJ > >----- Original Message ----- >From: "Rik Strobbe" >To: >Sent: Tuesday, January 06, 2004 11:51 PM >Subject: Re: LF: Horizontally polarised radiation > > > > Hello Dave, > > > > Quite impressive. > > Can you give us a clue about the dimensions ? > > Ever thought of making a triangular shaped loop ? > > > > 73, Rik ON7YD > > > > At 23:29 6/01/2004 +1300, you wrote: > > >Have a look at the URL below to see a semi-decent horizontal LF >ntenna - > > >that of Bruce, ZL1WB. Whatever its predominant radiating mode is, it >works > > >rather well! > > > > > >73, > > >ZL3FJ > > > > > > http://homepages.ihug.co.nz/~tractorb/ZL1WB%20LF%20ANTENNA.jpg > > > > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 46940 invoked from network); 6 Jan 2004 10:49:25 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 6 Jan 2004 10:49:25 -0000 Received: (qmail 91008 invoked from network); 6 Jan 2004 10:49:25 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 6 Jan 2004 10:49:24 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Adom4-000NZ1-Fw for dave@picks.force9.co.uk; Tue, 06 Jan 2004 10:49:24 +0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Adolk-0000CI-UH for rs_out@blacksheep.org; Tue, 06 Jan 2004 10:49:04 +0000 Received: from [134.58.240.45] (helo=thumbler.kulnet.kuleuven.ac.be) by post.thorcom.com with esmtp (Exim 4.14) id 1Adolk-0000C1-G6 for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2004 10:49:04 +0000 Received: from localhost (localhost [127.0.0.1]) by thumbler.kulnet.kuleuven.ac.be (Postfix) with ESMTP id 48E3C138473 for ; Tue, 6 Jan 2004 11:48:34 +0100 (CET) Received: from antonius.kulnet.kuleuven.ac.be (antonius.kulnet.kuleuven.ac.be [134.58.240.73]) by thumbler.kulnet.kuleuven.ac.be (Postfix) with ESMTP id C76AB138455 for ; Tue, 6 Jan 2004 11:48:33 +0100 (CET) X-Fake-Domain: dell-rik.fys.kuleuven.ac.be Received: from dell-rik.fys.kuleuven.ac.be (pc-10-33-165-177.fys.kuleuven.ac.be [10.33.165.177]) by antonius.kulnet.kuleuven.ac.be (Postfix) with ESMTP id A39E54C2C5 for ; Tue, 6 Jan 2004 11:48:33 +0100 (CET) Message-ID: <5.1.0.14.0.20040106114939.03b15778@u0019445.kuleuven.be> X-Sender: u0019445@u0019445.kuleuven.be X-Mailer: QUALCOMM Windows Eudora Version 5.1 Date: Tue, 06 Jan 2004 11:51:06 +0100 To: rsgb_lf_group@blacksheep.org From: "Rik Strobbe" In-reply-to: <0eac01c3d43f$f1643410$6800a8c0@athlon> References: <000201c3d2f3$c4fb5f40$61e4fc3e@l8p8y6> <6.0.1.1.2.20031229161651.027e8660@POP3.freeler.nl> <000001c3d009$acf7a620$c7e47f50@Smisan> <6.0.1.1.2.20040103121138.0280f960@POP3.freeler.nl> <000601c3d2c3$2bd34e70$b733f7c2@johnb5a82ea1a4> <6.0.1.1.2.20040104163146.027efbe0@POP3.freeler.nl> <000201c3d2f3$c4fb5f40$61e4fc3e@l8p8y6> <5.1.0.14.0.20040106090928.03a8c2a0@u0019445.kuleuven.be> MIME-Version: 1.0 X-Virus-Scanned: by KULeuven Antivirus Cluster Subject: Re: LF: Horizontally polarised radiation Content-Type: text/plain; charset=us-ascii; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Hello Dave, Quite impressive. Can you give us a clue about the dimensions ? Ever thought of making a triangular shaped loop ? 73, Rik ON7YD At 23:29 6/01/2004 +1300, you wrote: >Have a look at the URL below to see a semi-decent horizontal LF antenna - >that of Bruce, ZL1WB. Whatever its predominant radiating mode is, it works >rather well! > >73, >ZL3FJ > >http://homepages.ihug.co.nz/~tractorb/ZL1WB%20LF%20ANTENNA.jpg From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 58219 invoked from network); 6 Jan 2004 08:15:34 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 6 Jan 2004 08:15:34 -0000 Received: (qmail 79314 invoked from network); 6 Jan 2004 08:15:34 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 X-Priority: 3 X-MSMail-Priority: Normal Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 6 Jan 2004 08:15:33 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AdmNA-000KPj-P5 for dave@picks.force9.co.uk; Tue, 06 Jan 2004 08:15:32 +0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AdmMR-00061d-Nu for rs_out@blacksheep.org; Tue, 06 Jan 2004 08:14:47 +0000 Received: from [134.58.240.45] (helo=thumbler.kulnet.kuleuven.ac.be) by post.thorcom.com with esmtp (Exim 4.14) id 1AdmMQ-00061T-CG for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2004 08:14:46 +0000 Received: from localhost (localhost [127.0.0.1]) by thumbler.kulnet.kuleuven.ac.be (Postfix) with ESMTP id 2ED5E1383E9 for ; Tue, 6 Jan 2004 09:14:16 +0100 (CET) Received: from lepidus.kulnet.kuleuven.ac.be (lepidus.kulnet.kuleuven.ac.be [134.58.240.72]) by thumbler.kulnet.kuleuven.ac.be (Postfix) with ESMTP id 8011B138428 for ; Tue, 6 Jan 2004 09:14:15 +0100 (CET) X-Fake-Domain: dell-rik.fys.kuleuven.ac.be Received: from dell-rik.fys.kuleuven.ac.be (pc-10-33-165-177.fys.kuleuven.ac.be [10.33.165.177]) by lepidus.kulnet.kuleuven.ac.be (Postfix) with ESMTP id 39E3D380002 for ; Tue, 6 Jan 2004 09:14:15 +0100 (CET) Message-ID: <5.1.0.14.0.20040106090928.03a8c2a0@u0019445.kuleuven.be> X-Sender: u0019445@u0019445.kuleuven.be X-Mailer: QUALCOMM Windows Eudora Version 5.1 Date: Tue, 06 Jan 2004 09:16:46 +0100 To: rsgb_lf_group@blacksheep.org From: "Rik Strobbe" In-reply-to: <6.0.1.1.2.20040105172829.027e8860@POP3.freeler.nl> References: <000201c3d2f3$c4fb5f40$61e4fc3e@l8p8y6> <6.0.1.1.2.20031229161651.027e8660@POP3.freeler.nl> <000001c3d009$acf7a620$c7e47f50@Smisan> <6.0.1.1.2.20040103121138.0280f960@POP3.freeler.nl> <000601c3d2c3$2bd34e70$b733f7c2@johnb5a82ea1a4> <6.0.1.1.2.20040104163146.027efbe0@POP3.freeler.nl> <000201c3d2f3$c4fb5f40$61e4fc3e@l8p8y6> MIME-Version: 1.0 X-Virus-Scanned: by KULeuven Antivirus Cluster Subject: Re: LF: Horizontally polarised radiation Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Content-transfer-encoding: 8bit Hello group,

It is an "idée fixe" that a horizontal wire must radiate a horizontal polarized EM-wave.
A nice example of a mechanical horizontal construction that radiates a vertical polarized signal is the DDRR antenna.
So a large horizontal topload close to ground will in most cases improve the antenna efficiency (reduce the loss resistance ... footprint theory) but the radiated signal will be nevertheless mainly vertical polarized.

73, Rik  ON7YD

At 17:47 5/01/2004 +0100, you wrote:
To All from PA0SE,

In an earlier e-mail I wrote:
----- Original Message -----
From: Dick Rollema
To: rsgb_lf_group@blacksheep.org
Sent: Sunday, January 04, 2004 3:50 PM
Subject: Re: LF: Re: "T" versus "L"aerial

Dear John,

Computer simulation takes place over perfect ground and shows appreciable horizontally polarised radiation under high elevation angles for the inverted-L aerial .  But even at say 20m height of the horizontal part of the aerial this is only 0.0009 of a wavelength so the aerial is almost on the ground.  This means that over real earth such strong currents will be induced in the earth under the aerial that almost all power in the horizontally polarised field will be converted into heat in its resistance.

Mal, G3KEV commented:

Dick
You are saying that my 4 x inv L antennas each at 120 ft vertical and 400 ft horizontal are only burning up the field under the array.
My signal is reported throughout EU and beyond to Russia and the USA as the strongest on the air only surpassed by MM0ALM when he was active. As far as I can remember he was using 2 x inv L antennas at over 140 ft high using two masts.
I have never used a T antenna, my logic is that the more independent wire in the air the better, you have the benefit in my case of 4 top loaded verticals in parallel. All the bottom ends of the verticals are connected to the top of the loading coil of about 0.3 mh. The top of each L is about 10 feet out from the mast and the drop wires taper to the bottom reducing capacitance to ground.
An inv L antenna is really a top loaded vertical.
I hope you understand what I mean.
Calculations and theoretical assumptions are often way of the mark when it comes to small antenna systems like radio amateurs use on LF.
The only solution is the practical approach, common sense gained with experience and put up the best antenna you can then judge the results. As a matter of interest I have never burnt out any insulators, antenna wires, ground radials or any vegetation underneath the antenna array.
If you are working worldwide on normal CW then you have got it right !!!!!!!
73 de Mal/G3KEV
 

What I said was that the radiation from the horizontal part of a top loaded aerial is largely absorbed in the earth under it because the wire is so near to the surface.
To have a closer look I modeled a 40m long dipole for 136kHz, made of 1.5mm copper wire over real ground at a height  h.  Ground constants are dielectric constant 13; conductivity 5mS/m.

The simulation shows that the maximum of radiation is under an elevation of 90 degrees. The gain is referenced to a half wave dipole in free space.

h in metres    gain in dBd

500                   -2.29
200                   -6.65
100                 -11.84
 50                  -17.44
 20                  -25.40
 10                  -31.48

The numbers speak for themselves.

The radiation by the vertical part of the aerial, that does the work, is not affected by this of course.

73, Dick, PA0SE
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 82165 invoked from network); 29 Jan 2004 22:38:32 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 29 Jan 2004 22:38:32 -0000 Received: (qmail 5998 invoked from network); 29 Jan 2004 22:38:31 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 29 Jan 2004 22:38:30 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim 4.30; FreeBSD) id 1AmKnu-0001RL-CN for dave@picks.force9.co.uk; Thu, 29 Jan 2004 22:38:30 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AmKmO-00061P-K7 for rs_out@blacksheep.org; Thu, 29 Jan 2004 22:36:56 +0000 Received: from [204.127.202.56] (helo=sccrmhc12.comcast.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AmKmN-000611-Nw for rsgb_lf_group@blacksheep.org; Thu, 29 Jan 2004 22:36:55 +0000 X-Fake-Domain: Charlie_Drake Received: from Charlie_Drake (pcp02166593pcs.lebnon01.pa.comcast.net[68.83.127.219]) by comcast.net (sccrmhc12) with SMTP id <20040129223614012002eie9e>; Thu, 29 Jan 2004 22:36:14 +0000 From: "Steve Dove" To: rsgb_lf_group@blacksheep.org Date: Thu, 29 Jan 2004 22:36:06 -0000 X-Priority: 3 Organization: d s p In-reply-to: <6.0.1.1.2.20040129161950.034c0750@POP3.freeler.nl> X-Bad-Message-ID: no DNS (Charlie_Drake) Message-ID: MIME-Version: 1.0 X-Mailer: Opera 6.04 build 1135 Subject: Re: LF: Beaconing by PA0SE Content-Type: text/plain; charset=windows-1252; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi Dick, A near-real-time 'Grabulator' will be running at http://www.w3eee.com under 'Argo Live II'. Good luck! Steve > > To All from PA0SE > > The following message was sent before but I now have added a request. > > I intend to do beaconing tonight, starting around 2200 UTC and using QRSS30 > on 135922Hz. Will stop about 0800 UTC on 30/1. Power about 140 milliwatt > EMRP. > > If you happen to see my signal I would be grateful for a screen shot. I > intend to write an article on LF for our VERON magazine Electron and a > screen shot would be a nice illustration. > > Thanks! > > 73, Dick, PA0SE From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 59863 invoked from network); 16 Jan 2004 20:05:34 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 16 Jan 2004 20:05:34 -0000 Received: (qmail 9439 invoked from network); 16 Jan 2004 20:05:34 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 16 Jan 2004 20:05:33 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AhaDk-0002LO-Te for dave@picks.force9.co.uk; Fri, 16 Jan 2004 20:05:32 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AhaDO-000133-Ns for rs_out@blacksheep.org; Fri, 16 Jan 2004 20:05:10 +0000 Received: from [204.127.202.56] (helo=sccrmhc12.comcast.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AhaDN-00012s-UU for rsgb_lf_group@blacksheep.org; Fri, 16 Jan 2004 20:05:10 +0000 X-Fake-Domain: Charlie_Drake Received: from Charlie_Drake (pcp02166593pcs.lebnon01.pa.comcast.net[68.83.127.219]) by comcast.net (sccrmhc12) with SMTP id <20040116200438012002jokje>; Fri, 16 Jan 2004 20:04:38 +0000 From: "Steve Dove" To: rsgb_lf_group@blacksheep.org Date: Fri, 16 Jan 2004 20:04:03 -0000 X-Priority: 3 Organization: d s p In-reply-to: <001001c3dc55$337a74a0$55e5fc3e@l8p8y6> X-Bad-Message-ID: no DNS (Charlie_Drake) Message-ID: MIME-Version: 1.0 X-Mailer: Opera 6.04 build 1135 Subject: Re: LF: HEATH SB221 AMP Content-Type: text/plain; charset=windows-1252; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi Mal, The SB-221 was a latter-day version of the SB-220 (I think the only significant difference was that 10m was hard to enable, following the FCC's anti-CB ploy). Search for SB-220 instead. You should drown. It was a very popular amp. http://www.somis.org/ for a start is Rich Measures' page - he wrote a series of articles in QST about the 220 some time ago, which as I remember started a furore with disputations from many major amplifier designers of note, but at least it's a start. Cheers, Steve 01/16/04 17:21:10, "hamilton mal" wrote: > > Hi All > Does anyone have info about the HEATHKIT AMP SB221. Cover 80 - 10 metres. > Mods for 160 m, cct details etc > > I have tried the internet but cannot get a hit on this amp. > 73 de Mal/G3KEV > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 49819 invoked from network); 11 Jan 2004 20:52:34 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore02.plus.net with SMTP; 11 Jan 2004 20:52:34 -0000 Received: (qmail 98917 invoked from network); 11 Jan 2004 20:52:34 -0000 Content-Transfer-Encoding: 8bit X-Filtered-by: Plusnet (hmail v1.01) X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 11 Jan 2004 20:52:33 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AfmZV-000PcR-6Y for dave@picks.force9.co.uk; Sun, 11 Jan 2004 20:52:33 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AfmZ6-0005Q1-Ao for rs_out@blacksheep.org; Sun, 11 Jan 2004 20:52:08 +0000 Received: from [204.127.198.39] (helo=rwcrmhc13.comcast.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AfmZ5-0005Po-Hn for rsgb_lf_group@blacksheep.org; Sun, 11 Jan 2004 20:52:07 +0000 X-Fake-Domain: Charlie_Drake Received: from Charlie_Drake (pcp02166593pcs.lebnon01.pa.comcast.net[68.83.127.219]) by comcast.net (rwcrmhc13) with SMTP id <2004011120513001500b766me>; Sun, 11 Jan 2004 20:51:31 +0000 From: "Steve Dove" To: lowfer@mailman.qth.net, rsgb_lf_group@blacksheep.org Date: Sun, 11 Jan 2004 20:51:29 -0000 X-Priority: 3 Organization: d s p In-reply-to: <007a01c3d870$20dd0bc0$0500a8c0@charter.net> X-Bad-Message-ID: no DNS (Charlie_Drake) Message-ID: MIME-Version: 1.0 X-Mailer: Opera 6.04 build 1135 Subject: Re: LF: First WOLF QSO! Content-Type: text/plain; charset=iso-8859-1; format=flowed X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Cool! We can rely on you two to raise the bar, lower the limbo stick, or something like that . . . Lest it's not already appreciated by non-US readers, 'Lowfers' operate under FCC Part 15 rules, which stipulate 1 Watt DC input max, and antenna less than 15m. in length. This 1000+km daylight *QSO* is astounding given that. Great achievement! From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 91394 invoked from network); 16 Jan 2004 19:42:36 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 16 Jan 2004 19:42:36 -0000 Received: (qmail 77755 invoked from network); 16 Jan 2004 19:42:36 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 16 Jan 2004 19:42:34 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AhZrT-000K66-T2 for dave@picks.force9.co.uk; Fri, 16 Jan 2004 19:42:31 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AhZr0-0000eT-Ni for rs_out@blacksheep.org; Fri, 16 Jan 2004 19:42:02 +0000 Received: from [208.181.178.12] (helo=joseph.ncoldns.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AhZqx-0000eI-QX for rsgb_lf_group@blacksheep.org; Fri, 16 Jan 2004 19:42:00 +0000 X-Fake-Domain: jsm Received: from jsm (unknown [209.121.18.50]) by joseph.ncoldns.com (Postfix) with SMTP id AAA52B92BF for ; Fri, 16 Jan 2004 11:26:54 -0800 (PST) X-Bad-Message-ID: no DNS (jsm) Message-ID: <002701c3dc66$68849480$321279d1@jsm> From: "Steve McDonald" To: rsgb_lf_group@blacksheep.org References: <001001c3dc55$337a74a0$55e5fc3e@l8p8y6> Date: Fri, 16 Jan 2004 11:24:38 -0800 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Re: HEATH SB221 AMP Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.2 required=5.0 tests=HTML_50_60,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
 
Mal - you can get some feeedback here http://www.eham.net/reviews/detail/62
 
I believe it is pretty much identical to the SB-220.
 
Steve
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 15909 invoked from network); 14 Jan 2004 13:12:03 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 14 Jan 2004 13:12:03 -0000 Received: (qmail 27623 invoked from network); 14 Jan 2004 13:12:02 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 14 Jan 2004 13:12:00 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AgkoS-0006gp-2q for dave@picks.force9.co.uk; Wed, 14 Jan 2004 13:12:00 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Agknz-000344-Ne for rs_out@blacksheep.org; Wed, 14 Jan 2004 13:11:31 +0000 Received: from [165.254.4.18] (helo=mail.mcf.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Agkny-00033v-Hx for rsgb_lf_group@blacksheep.org; Wed, 14 Jan 2004 13:11:30 +0000 X-Fake-Domain: parissn2 Received: from parissn2 (81.57.233.115) by mail.mcf.com with ESMTP (Eudora Internet Mail Server 3.2.2) for ; Wed, 14 Jan 2004 08:11:29 -0500 X-Bad-Message-ID: no DNS (parissn2) Message-ID: <001301c3daa0$082634d0$0702a8c0@parissn2> From: "Stewart Nelson" To: rsgb_lf_group@blacksheep.org References: <5.1.0.14.0.20040114120559.0329e590@u0019445.kuleuven.be> Date: Wed, 14 Jan 2004 14:12:15 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: Re. Timing GPS Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hi Rik and all, Many words ending in -ize (American), have a preferred spelling -ise in British English. http://www.bartleby.com/68/45/5645.html http://www.geocities.com/CapitolHill/Lobby/6524/spelling.html On searching the Net, I also found an article claiming that this was caused an influence from the French. http://www.linguistlist.org/~ask-ling/archive-2000.1/msg00563.html --Stewart (third generation American, but 1/4 English) > PS : The spell checker insists on writing synchronization (with Z, not S). > It looks odd to me, any native English who can confirm this ? (or is it one > of these subtile differences between British and American English) From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 9217 invoked from network); 2 Jan 2004 07:46:57 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 2 Jan 2004 07:46:57 -0000 Received: (qmail 97963 invoked from network); 2 Jan 2004 07:46:56 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 2 Jan 2004 07:46:56 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AcK1H-000PNH-RO for dave@picks.force9.co.uk; Fri, 02 Jan 2004 07:46:55 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AcK0E-0000qQ-1i for rs_out@blacksheep.org; Fri, 02 Jan 2004 07:45:50 +0000 Received: from [194.217.242.88] (helo=anchor-post-30.mail.demon.net) by post.thorcom.com with esmtp (Exim 4.14) id 1AcK0D-0000qH-BP for rsgb_lf_group@blacksheep.org; Fri, 02 Jan 2004 07:45:49 +0000 Received: from telemetry.demon.co.uk ([194.222.19.114]) by anchor-post-30.mail.demon.net with esmtp (Exim 3.35 #1) id 1AcK0B-000L7B-0U for rsgb_lf_group@blacksheep.org; Fri, 02 Jan 2004 07:45:48 +0000 Message-ID: Date: Wed, 31 Dec 2003 09:24:58 +0000 To: rsgb_lf_group@blacksheep.org From: "Tom Boucher" References: <200312301817.hBUIHvQ11107@mailgate5.cinetic.de> In-reply-to: <200312301817.hBUIHvQ11107@mailgate5.cinetic.de> MIME-Version: 1.0 X-Mailer: Turnpike Integrated Version 5.01 U Subject: Re: LF: TR-Switch for new TX Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 Hans I put two back-to-back silicon diodes across the relay output to my receiver as overload protection. 73, Tom G3OLB In message <200312301817.hBUIHvQ11107@mailgate5.cinetic.de>, Hans- Albrecht Haffa writes > p {margin: 0px} > > Dear Lowfers, > just I am designing a TR-switch for my new TX. Estimated Power > about 60dbm/60 Ohm. > The current situation with my TX 70W/60 Ohm: > > The RX-Path is swiched via two reed-Relays (homemade coaxial ones, > for qsk operation) to the receiver input, the TX-Path is switched > via a reed-relay to the PA both from the common input of > low-pass-filter, whitch is allways in the aerial path. My RX is an > EKD 300 (Funkwerk Köpenick, late DDR). In transmit operation this > will cause an sidetone with an pretty high volume, but not too much > annoying noisy. > > My experiments with an 1 Watt driver circuit: > > The signal Path: Oscillator - Driver 1 Watt - Attenuator switchable > 0d B...50 dB - TR-relays - RX-Input > > TR-relays is a series of one Vac-Relay and three Reed-Relays (2 > spst, 1 spdt). > > All build up with coax connectors. It seems to be that I am still > far away from a S9 signal durig transmitting, even with this 1 > Watt-Driver. > How You have solved this task? What is done in commercial equipment > with similar power? > Is it necesary to have anyway a mute circuit for the receiver? An > input voltage of 1 Volt will not be dangerous for the RX-input and > cause some distortionin the audio-signal, but for a sidetone this > is not a problem. > Waiting for reply > > 55, > > Hans-Albrecht Haffa > > DK 8 ND > >   > > ______________________________________________________________________________ > Erdbeben im Iran: Zehntausende Kinder brauchen Hilfe. UNICEF hilft > den > Kindern - helfen Sie mit! https://www.unicef.de/spe/spe_03.php > -- Tom Boucher 'Hedgerows' Sheldon Honiton Devon EX14 4QS From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 51128 invoked from network); 7 Jan 2004 08:34:09 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 7 Jan 2004 08:34:09 -0000 Received: (qmail 6628 invoked from network); 7 Jan 2004 08:34:09 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 7 Jan 2004 08:34:07 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Ae98h-0001Se-FM for dave@picks.force9.co.uk; Wed, 07 Jan 2004 08:34:07 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ae987-0002s9-DB for rs_out@blacksheep.org; Wed, 07 Jan 2004 08:33:31 +0000 Received: from [195.224.180.233] (helo=olympus.pncl.co.uk) by post.thorcom.com with esmtp (Exim 4.14) id 1Ae986-0002rv-Ba for rsgb_lf_group@blacksheep.org; Wed, 07 Jan 2004 08:33:30 +0000 X-Fake-Domain: k7t Received: from k7t (110.25.153.194.dial.cix.gxn.net [194.153.25.110]) by olympus.pncl.co.uk (8.12.9/8.12.7) with SMTP id i078WnSS018139 for ; Wed, 7 Jan 2004 08:32:51 GMT X-Bad-Message-ID: no DNS (k7t) Message-ID: <002501c3d4f9$13a91860$6e1999c2@k7t> From: "Walter Blanchard" To: rsgb_lf_group@blacksheep.org References: Date: Wed, 7 Jan 2004 08:34:28 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-MailScanner-Information: Please contact the ISP for more information X-MailScanner: Not scanned: please contact your Internet E-Mail Service Provider for details X-MailScanner-SpamCheck: not spam, SpamAssassin (score=0, required 4.5) Subject: Re: LF: Horizontally polarised radiation Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 ----- Original Message ----- From: To: Sent: Wednesday, January 07, 2004 2:35 AM Subject: Re: LF: Horizontally polarised radiation > Balloons. Lots and lots of helium filled party balloons. :-) Not if they're the type I got over Christmas. They wouldn't last long enough to have a decent QRSS30 contact. Walter G3JKV. --- Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.555 / Virus Database: 347 - Release Date: 23/12/03 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 32728 invoked from network); 1 Jan 2004 23:28:52 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 1 Jan 2004 23:28:52 -0000 Received: (qmail 10945 invoked from network); 1 Jan 2004 23:28:51 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 1 Jan 2004 23:28:50 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AcCFG-0002ji-PD for dave@picks.force9.co.uk; Thu, 01 Jan 2004 23:28:50 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AcCEw-0003aq-Sh for rs_out@blacksheep.org; Thu, 01 Jan 2004 23:28:30 +0000 Received: from [195.224.180.233] (helo=olympus.pncl.co.uk) by post.thorcom.com with esmtp (Exim 4.14) id 1AcCEu-0003ah-9w for rsgb_lf_group@blacksheep.org; Thu, 01 Jan 2004 23:28:28 +0000 X-Fake-Domain: k7t Received: from k7t (51.25.153.194.dial.cix.gxn.net [194.153.25.51]) by olympus.pncl.co.uk (8.12.9/8.12.7) with SMTP id i01NRrqP025354 for ; Thu, 1 Jan 2004 23:27:54 GMT X-Bad-Message-ID: no DNS (k7t) Message-ID: <000601c3d0bf$136198c0$331999c2@k7t> From: "Walter Blanchard" To: rsgb_lf_group@blacksheep.org References: <000001c3d009$acf7a620$c7e47f50@Smisan> <000001c3d0bd$774df560$75c428c3@erica> Date: Thu, 1 Jan 2004 23:28:45 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-MailScanner-Information: Please contact the ISP for more information X-MailScanner: Found to be clean X-MailScanner-SpamCheck: not spam, SpamAssassin (score=0, required 4.5) Subject: LF: Ground Losses Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 ----- Original Message ----- From: "g3ldo" To: Sent: Thursday, January 01, 2004 10:31 PM Subject: Re: LF: Re: "T" versus "L"aerial > In the early days of LF experimenting we all thought Ts and Ls from > available LF commercial knowledge. It soon became apparent that for a > suburban QTH the shape of the antenna was unimportant. The trick seemed to > be to put up as much wire covering the greatest area and as high as > possible. > John, G4JVC had a long wire running the length of the garden, 3m high at the > feed end and 12m high at the other. With this antenna and a TS-850 he was > able to hear a lot of DX that we couldn't (he was the first to hear OH5TN). > All very electrically small antennas have the same half doughnut shaped 3-D > polar diagram on a computer model. Ground parameters have a huge effect on > small LF antenna performances so I guess they must compute return path > losses. The one I use - Antenna Model - asks whether you want to take ground losses into account and if so what conductivity figure to use. Walter G3JKV. --- Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.555 / Virus Database: 347 - Release Date: 23/12/03 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 18112 invoked from network); 19 Jan 2004 18:00:16 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 19 Jan 2004 18:00:16 -0000 Received: (qmail 44132 invoked from network); 19 Jan 2004 18:00:15 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 19 Jan 2004 18:00:14 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Aidh8-000BMl-LJ for dave@picks.force9.co.uk; Mon, 19 Jan 2004 18:00:14 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Aidgz-0000Fp-1A for rs_out@blacksheep.org; Mon, 19 Jan 2004 18:00:05 +0000 Received: from [212.204.115.10] (helo=hugo.fen-net.de ident=root) by post.thorcom.com with esmtp (Exim 4.14) id 1Aidgy-0000Fg-G5 for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 18:00:04 +0000 X-Fake-Domain: PCVONWALTER Received: from PCVONWALTER (dialin-nbg-079.fen-net.de [212.204.116.79]) by hugo.fen-net.de (8.12.10/8.12.10) with SMTP id i0JHxx7a008316 for ; Mon, 19 Jan 2004 19:00:00 +0100 (MET) X-Bad-Message-ID: no DNS (PCVONWALTER) Message-ID: <005a01c3deb7$1c764400$fe79a8c0@PCVONWALTER> From: "Walter Staubach" To: rsgb_lf_group@blacksheep.org Date: Mon, 19 Jan 2004 19:07:27 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 4.72.3110.1 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-MIME-Autoconverted: from 8bit to quoted-printable by hugo.fen-net.de id i0JHxx7a008316 Subject: LF: Re: RE: Re: AC feeder... Content-Type: text/plain; charset=iso-8859-2; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 And what about tuning the MW-choke with parallel-C to 136KHz? Walter -----Ursprüngliche Nachricht----- Von: Gasparik Richard An: 'rsgb_lf_group@blacksheep.org' Datum: Montag, 19. Januar 2004 18:02 Betreff: LF: RE: Re: AC feeder... >Yes, this is idea. But there are lights and they can't be switched off >(there are not fuses, fuser are 500m away on the TX site...hi). > >Rich > >-----Original Message----- >From: Alan Melia [mailto:Alan.Melia@btinternet.com] >Sent: Monday, January 19, 2004 5:01 PM >To: rsgb_lf_group@blacksheep.org >Subject: LF: Re: AC feeder... > > >Hi Rich, it may be right off and impossible ( I am not a BC engineer !! or a >power engineer) But would it be possible to put a capacitor in parallel with >the light-feed chokes to parallel tune them to nearer 136kHz and increase >their impedance to that frequency ?? Flames accepted if that is a silly >idea. !! It would need to be a high voltage rated cap of course. > >Cheers de Alan G3NYK >alan.melia@btinternet.com > >----- Original Message ----- >From: "Gasparik Richard" >To: "Rsgb_Lf_Group (E-mail)" >Sent: 19 January 2004 15:36 >Subject: LF: AC feeder... > > >> Here is the feeding of AC through the RF line...inside the feeder....very >> well coupling... >> >> Rich OM2TW >> <> >> > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 77055 invoked from network); 19 Jan 2004 17:56:44 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore01.plus.net with SMTP; 19 Jan 2004 17:56:44 -0000 Received: (qmail 37337 invoked from network); 19 Jan 2004 17:56:44 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 19 Jan 2004 17:56:43 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1Aiddj-0009bD-BL for dave@picks.force9.co.uk; Mon, 19 Jan 2004 17:56:43 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AiddN-0000CG-Oa for rs_out@blacksheep.org; Mon, 19 Jan 2004 17:56:21 +0000 Received: from [212.204.115.10] (helo=hugo.fen-net.de ident=root) by post.thorcom.com with esmtp (Exim 4.14) id 1AiddN-0000C4-5f for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 17:56:21 +0000 X-Fake-Domain: PCVONWALTER Received: from PCVONWALTER (dialin-nbg-067.fen-net.de [212.204.116.67]) by hugo.fen-net.de (8.12.10/8.12.10) with SMTP id i0JHuG7a007878 for ; Mon, 19 Jan 2004 18:56:16 +0100 (MET) X-Bad-Message-ID: no DNS (PCVONWALTER) Message-ID: <005701c3deb6$9715ac60$fe79a8c0@PCVONWALTER> From: "Walter Staubach" To: rsgb_lf_group@blacksheep.org Date: Mon, 19 Jan 2004 19:03:43 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 4.72.3110.1 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-MIME-Autoconverted: from 8bit to quoted-printable by hugo.fen-net.de id i0JHuG7a007878 Subject: Re: LF: Marek and others Content-Type: text/plain; charset=iso-8859-2; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hallo Marek, tnx fer info. Ok abt ur high noise level. So let`s try with the loop. Abt our report system: My proposal: If one can hear the station, he should give "A" or "Ax" (A for audible), or "Sx" (as usual). The "O" is then included and not necessary to transmit, because an audible signal must always be "O" on the screen. What do the others think? 73 Walter DJ2LF -----Ursprüngliche Nachricht----- Von: Marek SQ5BPM An: rsgb_lf_group@blacksheep.org Datum: Montag, 19. Januar 2004 13:23 Betreff: Re: LF: Marek and others >> Hallo to you, >> saw Marek yesterday mostly O, sometimes M. >> Several calls, but no response. > >Sorry Walter, I didn't have a single trace of your signal in Argo. > >Maybe next time I will have the receiving loop ready, which hopefully will >improve the RX on my side: even though I hardly tried, I couldn't hear >RU6LWZ on CW (sorry Ed). SP5ZCC in principle is not the best place for low >bands due to QRMs - we are in the middle of an 18000 city and Warsaw is just >a few kilometers away. It gets only worse as the time passes... > >> So with RU6LA, who >> was stronger than Marek. Had QSO with Teo, >> YU7AR, was audible most time with 25uV/50ohms, >> ufb. > >YU7AR is usually audible here also (not yesterday though), I wonder if he >can _hear_ our signal? > >Just BTW: Is there a simple common way to send the expression "audible" as >an addition to the report during the QSO? I didn't find any info... If both >stations send it, it would be a good opportunity to try CW. Sending the word >"audible" is long and not practical. Something like four dashes instead of O >would do, but... :-) Any ideas? Maybe "O!" ? Exclamation mark is not an >international CW character and does not work in QRSS (even as a comma). So >maybe a full-stop: "O." ? Or "O" followed by a number indicating the audible >strength? Or just "O" and then "Sx" where x is a number? It would really >make things easier! Talking via the Internet is not the way I like. Sorry if >discussion alike has already happened on the reflector. > >> The 137.xx is a crazy band. For me it seems to be the >> best way with a lot of work not to make a QSO, hi. > >Hard not to agree... > >> 73 Walter DJ2LF > >73! Marek SQ5BPM > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 70248 invoked from network); 19 Jan 2004 17:16:58 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 19 Jan 2004 17:16:58 -0000 Received: (qmail 3533 invoked from network); 19 Jan 2004 17:16:57 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 19 Jan 2004 17:16:54 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Aid1C-0000Zx-Nd for dave@picks.force9.co.uk; Mon, 19 Jan 2004 17:16:54 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Aid0c-0007mZ-2r for rs_out@blacksheep.org; Mon, 19 Jan 2004 17:16:18 +0000 Received: from [212.204.115.10] (helo=hugo.fen-net.de ident=root) by post.thorcom.com with esmtp (Exim 4.14) id 1Aid0b-0007mE-GZ for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 17:16:17 +0000 X-Fake-Domain: PCVONWALTER Received: from PCVONWALTER (dialin-nbg-059.fen-net.de [212.204.116.59]) by hugo.fen-net.de (8.12.10/8.12.10) with SMTP id i0JHGC7a003053 for ; Mon, 19 Jan 2004 18:16:12 +0100 (MET) X-Bad-Message-ID: no DNS (PCVONWALTER) Message-ID: <005001c3deb0$fde8ab00$fe79a8c0@PCVONWALTER> From: "Walter Staubach" To: rsgb_lf_group@blacksheep.org Date: Mon, 19 Jan 2004 18:23:39 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 4.72.3110.1 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-MIME-Autoconverted: from 8bit to quoted-printable by hugo.fen-net.de id i0JHGC7a003053 Subject: LF: Re: Test failed... Content-Type: text/plain; charset=iso-8859-2; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Hallo Rich, are the light bulbs in use at daytime, when you intend to work? How about disconnecting them at the choke? 73 Walter -----Ursprüngliche Nachricht----- Von: Gasparik Richard An: 'Rsgb_Lf_Group (E-mail)' Datum: Montag, 19. Januar 2004 13:15 Betreff: LF: Test failed... >Hi LF-ers... > >Here is a small story from our expedition. At 1400 local time we were on >site. WX was good and we start tuning the antenna. Receiving problems has >been solved very quickly and we heard DFC39 extremly strong, the same SVX. >But after we key the TX, we found problem. It was realy problem to tune >antenna. I don't know why. We tried to do it until 2200 local time with 3 >coils and 3 variometers from 200uH until 2mH and still nothing. We called to >Peter OK1FIG and Bob OK2BVG for the help, but still nothing. We measure some >current, but very very low. I was absolutely sad. We have now a possibility >to operate from this site for some days during the daytime. We will try tu >tune the antenna with your help, if anybody can help me. I'll be very happy. >I'll give you all necessary datas: > >Vertical is 135m high with 170cm in diameter (no cap hat), there are 120 >radials in range from the base and 50m, after that are 240 radials between >range 50-130m. Each radial is from 6mm Cu wire about 30cm under the ground >level. Ground conductivity is 14,3mS. > >Best regards...enjoy LF... > >73 de Rich OM2TW > > <> > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 13299 invoked from network); 19 Jan 2004 10:49:16 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 19 Jan 2004 10:49:16 -0000 Received: (qmail 81835 invoked from network); 19 Jan 2004 10:49:16 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 19 Jan 2004 10:49:12 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1AiWy0-000L2N-HL for dave@picks.force9.co.uk; Mon, 19 Jan 2004 10:49:12 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AiWxa-0007cJ-Fn for rs_out@blacksheep.org; Mon, 19 Jan 2004 10:48:46 +0000 Received: from [212.204.115.10] (helo=hugo.fen-net.de ident=root) by post.thorcom.com with esmtp (Exim 4.14) id 1AiWxZ-0007cA-Hh for rsgb_lf_group@blacksheep.org; Mon, 19 Jan 2004 10:48:45 +0000 X-Fake-Domain: PCVONWALTER Received: from PCVONWALTER (dialin-nbg-074.fen-net.de [212.204.116.74]) by hugo.fen-net.de (8.12.10/8.12.10) with SMTP id i0JAmg7a017387 for ; Mon, 19 Jan 2004 11:48:42 +0100 (MET) X-Bad-Message-ID: no DNS (PCVONWALTER) Message-ID: <001301c3de7a$dade8b60$fe79a8c0@PCVONWALTER> From: "Walter Staubach" To: "RSGB LF" Date: Mon, 19 Jan 2004 11:56:07 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 4.72.3110.1 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Marek and others Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_40_50,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
Hallo to you,
        saw Marek yesterday mostly O, sometimes M. Several calls, but no response. So with RU6LA, who was stronger than Marek. Had QSO with Teo, YU7AR, was audible most time with 25uV/50ohms, ufb.
The 137.xx is a crazy band. For me it seems to be the best way with a lot of work not to make a QSO, hi.
73   Walter DJ2LF
 
 
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 38719 invoked from network); 18 Jan 2004 08:11:31 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore01.plus.net with SMTP; 18 Jan 2004 08:11:31 -0000 Received: (qmail 92781 invoked from network); 18 Jan 2004 08:11:31 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 18 Jan 2004 08:11:28 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Ai81o-000Ndg-Ow for dave@picks.force9.co.uk; Sun, 18 Jan 2004 08:11:28 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ai80y-0006zE-LN for rs_out@blacksheep.org; Sun, 18 Jan 2004 08:10:36 +0000 Received: from [212.204.115.10] (helo=hugo.fen-net.de ident=root) by post.thorcom.com with esmtp (Exim 4.14) id 1Ai80x-0006z5-Un for rsgb_lf_group@blacksheep.org; Sun, 18 Jan 2004 08:10:36 +0000 X-Fake-Domain: PCVONWALTER Received: from PCVONWALTER (dialin-nbg-120.fen-net.de [212.204.116.120]) by hugo.fen-net.de (8.12.10/8.12.10) with SMTP id i0I7tD7a006342 for ; Sun, 18 Jan 2004 08:55:14 +0100 (MET) X-Bad-Message-ID: no DNS (PCVONWALTER) Message-ID: <000201c3dd9b$950359c0$fe79a8c0@PCVONWALTER> From: "Walter Staubach" To: "RSGB LF" Date: Sun, 18 Jan 2004 09:02:53 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 4.72.3110.1 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Busy band Content-Type: text/html; charset=windows-1252 X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.4 required=5.0 tests=HTML_50_60,HTML_MESSAGE,UPPERCASE_25_50 autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 2 Content-transfer-encoding: 8bit
Good morning to All,
 saw yesterday evening / night:
OH5UFO,   G3YXM,   RU6LA (called him, no response ), DK7FC, DL3FDO, S57A,
SP5ZCC (called him, but no response ), F6BWO.
This morning RU6LA.
73   Walter DJ2LF
  
From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 47289 invoked from network); 16 Jan 2004 02:18:33 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 16 Jan 2004 02:18:33 -0000 Received: (qmail 65842 invoked from network); 16 Jan 2004 02:18:33 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 16 Jan 2004 02:18:32 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1AhJZ9-000H1J-U0 for dave@picks.force9.co.uk; Fri, 16 Jan 2004 02:18:31 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AhJYS-0007RP-1G for rs_out@blacksheep.org; Fri, 16 Jan 2004 02:17:48 +0000 Received: from [64.12.136.161] (helo=imo-m06.mx.aol.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AhJYR-0007RG-6n for rsgb_lf_group@blacksheep.org; Fri, 16 Jan 2004 02:17:47 +0000 X-Fake-Domain: WarmSpgs@aol.com Received: from WarmSpgs@aol.com by imo-m06.mx.aol.com (mail_out_v36_r4.12.) id l.17c.2575f6b5 (4254) for ; Thu, 15 Jan 2004 21:17:14 -0500 (EST) From: WarmSpgs@aol.com Message-ID: <17c.2575f6b5.2d38a3aa@aol.com> Date: Thu, 15 Jan 2004 21:17:14 EST To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Mailer: AOL 4.0 for Windows 95 sub 120 Subject: LF: Re: lf andnoise and offshore. Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.3 required=5.0 tests=NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 >From either an engineering standpoint or a scientific standpoint, I'm not very comfortable with the term "sea gain" being applied at LF. The sea is vastly less lossy than land--conductivity of 5000mS/m for the former, versus a range of anyone from one-half to 30mS/m for the latter. There is no gain at work here; the received signal strength is never as much or more than the inverse distance law would suggest for the same signal over a perfectly conductive surface. Note that this statement, as phrased, encompasses the varying skywave/surfacewave proportions one would encounter at different frequencies and over different path lengths. Taking all those into account, observed field strengths on and near the ocean still do not exceed expected values by the conventional propagation models. One could easily fall into superstition by casually thinking of it as actual gain. The conductivity difference between seawater and land (ranging from 150-to-1 up to thousands-to-1) is not trivial. It makes a huge difference in surface wave propagation, obviously. It reduces attenuation for each earth reflection of skywaves. It even affects efficiency of the receive antenna in some cases. To address Bryan's comments about longwave and mediumwave comparisons, the effects are actually quite similar between LF and MF. Surface wave attenuation is greater for a given surface conductivity as one increases in frequency, of course, but in this regard 136kHz, 770kHz, or even higher, are all just points on a continuum. Much the same is true of D-layer effects between LF and MF. The resulting differences are in such things as the distance where one first runs into fading zones and in the amount of day/night signal variations. But again, these are points on a continuum. One has to go down to mid-VLF before one encounters fundamental differences in how propagation works (increasingly by waveguide effect), and even that is more because of differences in the ionosphere's behavior than the earth's or the ocean's. Skin depth of the ocean increases as frequency falls, but even at "classical" submarine frequencies in the 10-30kHz range, the sea is *far* from transparent to radio waves, experiencing 6 to 10dB of attenuation per meter of depth. That's pretty drastic. You have to trail a very long wire, and you're still uncomfortably near the surface given the capabilities of spy satellites. It is necessary to descend to 1kHz to achieve a mere 1dB/m, and even at the ULF signaling frequencies of Sanguine and Zevs, it runs one or two tenths of a decibel per meter--manageable at depth, albeit only at very low data rates. A good graph of the attenuation values can be found in M. L Burrows' "ELF Communications Antennas" (1978, Peter Peregrinus Ltd on behalf of the IEE). (OT: In the other direction, the attenuation rises uniformly to roughly 1000dB/m (!) at 10GHz, then jumps roughly another decade of loss, where it remains more or less constant until we reach the visible light spectrum, where the curve takes a sharp dip down to about the 1kHz level. The ability of electromagnetic radiation to penetrate liquid water to reasonable depths at that frequency is exactly the reason why the chlorophyll molecule, and by extension, its later quasi-analog, the hemoglobin molecule, are at the heart of nearly all life on earth. The evolutionary chemical consequences of which, are why we know that octave of spectrum as "visible light" in the first place.) John D From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 93001 invoked from network); 7 Jan 2004 14:39:07 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore02.plus.net with SMTP; 7 Jan 2004 14:39:07 -0000 Received: (qmail 67012 invoked from network); 7 Jan 2004 14:39:07 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 7 Jan 2004 14:39:06 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim) id 1AeEpu-000HJg-6z for dave@picks.force9.co.uk; Wed, 07 Jan 2004 14:39:06 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AeEpD-0000ZU-4E for rs_out@blacksheep.org; Wed, 07 Jan 2004 14:38:23 +0000 Received: from [64.12.136.7] (helo=imo-m04.mx.aol.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AeEpC-0000Yp-Gg for rsgb_lf_group@blacksheep.org; Wed, 07 Jan 2004 14:38:22 +0000 X-Fake-Domain: WarmSpgs@aol.com Received: from WarmSpgs@aol.com by imo-m04.mx.aol.com (mail_out_v36_r4.8.) id l.23.396ef5c1 (4418) for ; Wed, 7 Jan 2004 09:37:45 -0500 (EST) From: WarmSpgs@aol.com Message-ID: <23.396ef5c1.2d2d73b9@aol.com> Date: Wed, 7 Jan 2004 09:37:45 EST To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Mailer: AOL 4.0 for Windows 95 sub 120 Subject: Re: LF: Horizontally polarised radiation Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.3 required=5.0 tests=NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 In a message dated 1/7/04 3:58:20 AM Eastern Standard Time, tractorb@ihug.co.nz writes: > (sorry for mixing units-it's probably a sign of age!) It's good to be multi-lingual. :-) From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 16620 invoked from network); 7 Jan 2004 02:36:27 -0000 Received: from unknown (HELO ptb-mxscan02.plus.net) (212.159.14.236) by ptb-mailstore02.plus.net with SMTP; 7 Jan 2004 02:36:27 -0000 Received: (qmail 4167 invoked from network); 7 Jan 2004 02:36:27 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore02.plus.net (212.159.14.216) by ptb-mxscan02.plus.net with SMTP; 7 Jan 2004 02:36:26 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1Ae3YX-0000tA-W5 for dave@picks.force9.co.uk; Wed, 07 Jan 2004 02:36:26 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ae3Xq-0006UT-W6 for rs_out@blacksheep.org; Wed, 07 Jan 2004 02:35:42 +0000 Received: from [64.12.136.4] (helo=imo-m01.mx.aol.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Ae3Xq-0006UJ-CY for rsgb_lf_group@blacksheep.org; Wed, 07 Jan 2004 02:35:42 +0000 X-Fake-Domain: WarmSpgs@aol.com Received: from WarmSpgs@aol.com by imo-m01.mx.aol.com (mail_out_v36_r4.8.) id l.b8.4ec3f503 (30950) for ; Tue, 6 Jan 2004 21:35:05 -0500 (EST) From: WarmSpgs@aol.com Message-ID: Date: Tue, 6 Jan 2004 21:35:05 EST To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Mailer: AOL 4.0 for Windows 95 sub 120 Subject: Re: LF: Horizontally polarised radiation Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.3 required=5.0 tests=NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 In a message dated 1/6/04 2:26:52 PM Eastern Standard Time, captbrian@ukonline.co.uk writes: > Nothing magic about it but its usual proportions for HF are still > impossible for amateur 136 . (how would one keep the loop up ? ) Balloons. Lots and lots of helium filled party balloons. :-) From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: (qmail 51471 invoked from network); 1 Jan 2004 17:49:19 -0000 Received: from unknown (HELO ptb-mxscan03.plus.net) (212.159.14.237) by ptb-mailstore01.plus.net with SMTP; 1 Jan 2004 17:49:19 -0000 Received: (qmail 37453 invoked from network); 1 Jan 2004 17:49:18 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Priority: 3 X-MSMail-Priority: Normal X-Spam-detection-level: 11 Received: from ptb-mxcore03.plus.net (212.159.14.217) by ptb-mxscan03.plus.net with SMTP; 1 Jan 2004 17:49:17 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore03.plus.net with esmtp (Exim) id 1Ac6wf-0009dE-OM for dave@picks.force9.co.uk; Thu, 01 Jan 2004 17:49:17 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ac6wB-0007va-RL for rs_out@blacksheep.org; Thu, 01 Jan 2004 17:48:47 +0000 Received: from [64.12.136.7] (helo=imo-m04.mx.aol.com) by post.thorcom.com with esmtp (Exim 4.14) id 1Ac6wB-0007vI-3L for rsgb_lf_group@blacksheep.org; Thu, 01 Jan 2004 17:48:47 +0000 X-Fake-Domain: WarmSpgs@aol.com Received: from WarmSpgs@aol.com by imo-m04.mx.aol.com (mail_out_v36_r4.8.) id l.12e.38b1d503 (3850) for ; Thu, 1 Jan 2004 12:48:09 -0500 (EST) From: WarmSpgs@aol.com Message-ID: <12e.38b1d503.2d25b759@aol.com> Date: Thu, 1 Jan 2004 12:48:09 EST To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Mailer: AOL 4.0 for Windows 95 sub 120 Subject: Re: LF: Improving the signal quality Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.3 required=5.0 tests=NO_REAL_NAME autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-PN-SPAMFiltered: yes X-Spam-Rating: 1 > Do you think it will work on LF too? :o) According to those "actual equations," I am convinced it will work exactly the same at LF as it soes at wireless LAN frequencies! Not many other products can make that claim. Of course, one should carefully heed the instructions regarding "Do not use near electrical appliances." That guarantee is something, too. It's almost as good as the one for a diet powder that used to be sold on late-night cable TV here. You would buy a 30 day supply, and if it turned out to be total rubbish and didn't do anything at all--they promised to send you MORE of it, free. Members of this list may also be able to relate to another "advert" at that site, The 3rd Annual Nigerian EMail Conference. It's at: http://www.j-walk.com/other/conf/index.htm Thanks for sharing that amazing find, Johan. :-) John D.