Tnx for reports

G .

From: Graham

Sent: Sunday, May 02, 2010 9:40 PM

To: rsgb_lf_group@blacksheep.org=20

Subject: LF: EME / 500/-1 0- 40 Watts per stream

As of 21-15 local time po= wer set=20 ..40 watts per da= ta =20 stream (may be too much ?)

NB : Pls run x2 session's= of=20 ros for comparative test

Will run till round = midnight=20

Thanks for the reports&nb= sp; via =20 the email system and the ref

73 - G

From: Graham

Sent: Sunday, May 02, 2010 8:28 PM

To: rsgb_lf_group@blacksheep.org=20

Subject: LF: ROS EME / 500/-1 0- Reduced power

I am reducing power to 1 watt&n= bsp; Ae=20 feed to allow Gary to do some low= =20 level checks

will qro later

G ..

From: Graham

Sent: Sunday, May 02, 2010 7:10 PM

To: rsgb_lf_group@blacksheep.org=20

Subject: LF: ROS EME / 500/-1 Bit speed 502.00 KHz=20

Dual mode ROS Beacon running ,= check =20 for activity >> http://www.wireless.org.uk/grab/

ROS EME=

ROS 500 Hz /= 1 Bit =20 speed

Dial set 502.000 KHz USB<= /FONT>

Dual reception by running = two =20 sessions of ROS . , set eme and HF = 500=20 rx 1 bit speed

select the minimum AFC&nb= sp; range=20

The HF 500/1 bit sh= ould =20 out perform the eme mode

Software download >> = ; http://rosmodem.wordpress.com/

Reports welcome via ref&n= bsp; or=20 the auto email mode

Note - Due to low af = ; drive =20 level - NO RX -

Tnx - G .=20

------=_NextPart_000_02E5_01CAEA49.98AF7BF0-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-dg07.r1000.mx.aol.com (mtain-dg07.r1000.mx.aol.com [172.29.65.15]) by air-dd04.mail.aol.com (v129.4) with ESMTP id MAILINDD041-860a4beec60f66; Sat, 15 May 2010 12:04:31 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-dg07.r1000.mx.aol.com (Internet Inbound) with ESMTP id BA6CB380000BF; Sat, 15 May 2010 12:04:29 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ODJpU-0002U8-3P for rs_out_1@blacksheep.org; Sat, 15 May 2010 17:03:08 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ODJpT-0002Tz-KH for rsgb_lf_group@blacksheep.org; Sat, 15 May 2010 17:03:07 +0100 Received: from relay1-d.mail.gandi.net ([217.70.183.193]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1ODJpS-0008CN-FT for rsgb_lf_group@blacksheep.org; Sat, 15 May 2010 17:03:07 +0100 X-Originating-IP: 217.70.178.40 Received: from mfilter6-d.gandi.net (mfilter6-d.gandi.net [217.70.178.40]) by relay1-d.mail.gandi.net (Postfix) with ESMTP id 9D2582552F5 for ; Sat, 15 May 2010 18:03:05 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at mfilter6-v Received: from relay1-d.mail.gandi.net ([217.70.183.193]) by mfilter6-d.gandi.net (mfilter6-d.gandi.net [217.70.178.40]) (amavisd-new, port 10024) with ESMTP id jbEmTAyMzzL6 for ; Sat, 15 May 2010 18:03:02 +0200 (CEST) X-Originating-IP: 83.200.39.161 Received: from [192.168.1.2] (ALagny-154-1-40-161.w83-200.abo.wanadoo.fr [83.200.39.161]) (Authenticated sender: f5wk@mterrier.net) by relay1-d.mail.gandi.net (Postfix) with ESMTPSA id EB65C2552F9 for ; Sat, 15 May 2010 18:03:01 +0200 (CEST) Date: Sat, 15 May 2010 18:03:00 +0200 From: Michel F5WK X-Priority: 3 (Normal) Message-ID: <1938721786.20100515180300@mterrier.net> To: rsgb_lf_group@blacksheep.org In-Reply-To: <4BEE92AD.7090909@iup.uni-heidelberg.de> References: <002701caf394$44cbd980$0401a8c0@xphd97xgq27nyf> <4BEE8B1B.502@iup.uni-heidelberg.de> <4BEE92AD.7090909@iup.uni-heidelberg.de> MIME-Version: 1.0 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: VLF: DK7FCs 5th VLF experiment... Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.8 required=5.0 tests=PRIORITY_NO_NAME autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d410f4beec60d453c X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) Hi Stefan, I will be listening also. Hope this time be able to receive your DFCW sigs with my new VLF loop. 73 & Good luck. Michel - F5WK in JN18HP Le samedi 15 mai 2010 =E0 14:25:17, vous =E9criviez : > Dear group,=20 > I is a long time ago that i have done the last experiment. Tomorrow, the > WX could be suitable and i have time and motivation to try the next > experiment on 8,97 kHz. But the WX is a little risky > (http://www.windfinder.com/forecast/frankfurt) and so i do not yet know, > if i really can come up. So it is just a uncertain announcement. Maybe > Markus/DF6NM, if he has time, will inform you about the actual state. > In the last weeks, the QRM less window becomes smaller and more early.= It > is arround 5...8 UTC > (http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber.html).= =20 > So, i plan to start transmissions at arround 7 UTC on 8970,0 Hz. I want > to check the new 600W PA and the new additional earth rod. Antenna lengt= h > is still 100m. The amperemeter will also be tested the first time. Modes > will be DFCW-600 (50mHz shift) and a transmission in DFCW-60 (500mHz > shift) if i can reach my grabber in the DFCW-60 window in 37km distance. > If the wind is stable and i have enough time i will do first receiving > tests using the TX antenna! This is to prepare the first VLF QSO above= 100km > So, let's hope for good and stable wind and no rain, dreaming... > Will anybody listen to the experiment except my and Markus' grabber? =20 > 73, Stefan/DK7FC From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-di08.r1000.mx.aol.com (mtain-di08.r1000.mx.aol.com [172.29.64.12]) by air-df03.mail.aol.com (v129.4) with ESMTP id MAILINDF034-5eed4beeef50ff; Sat, 15 May 2010 15:00:32 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-di08.r1000.mx.aol.com (Internet Inbound) with ESMTP id 0A7F1380001CA; Sat, 15 May 2010 15:00:30 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ODMaM-0004T4-4B for rs_out_1@blacksheep.org; Sat, 15 May 2010 19:59:42 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ODMaL-0004Sv-PI for rsgb_lf_group@blacksheep.org; Sat, 15 May 2010 19:59:41 +0100 Received: from out1.ip09ir2.opaltelecom.net ([62.24.128.245]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1ODMaJ-0003rh-3S for rsgb_lf_group@blacksheep.org; Sat, 15 May 2010 19:59:41 +0100 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ak4JAFqL7ksCYhig/2dsb2JhbACOZAOPFwNxuhaFEAQ X-IronPort-AV: E=Sophos;i="4.53,237,1272841200"; d="scan'208,217";a="436292428" Received: from unknown (HELO xphd97xgq27nyf) ([2.98.24.160]) by out1.ip09ir2.opaltelecom.net with SMTP; 15 May 2010 19:59:31 +0100 Message-ID: <004301caf460$bfbcce20$0401a8c0@xphd97xgq27nyf> From: "mal hamilton" To: "rsgb" Date: Sat, 15 May 2010 19:59:30 +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 V6.00.2600.0000 X-Spam-Score: 0.2 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001,RCVD_ILLEGAL_IP=0.234 Subject: LF: LA BEACON Content-Type: multipart/alternative; boundary="----=_NextPart_000_0040_01CAF469.2153E490" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.2 required=5.0 tests=HTML_50_60,HTML_MESSAGE autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d400c4beeef4e689f X-AOL-IP: 193.82.116.20 ------=_NextPart_000_0040_01CAF469.2153E490 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable The LA beacon is audible at present with me but I have already worked= 2 LA stns so am wondering why another beacon is necessary. g3kev ------=_NextPart_000_0040_01CAF469.2153E490 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

The LA beacon is audible at present= with me but I=20 have already worked 2 LA stns so am wondering why another beacon is=20 necessary.

g3kev

------=_NextPart_000_0040_01CAF469.2153E490-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-dh12.r1000.mx.aol.com (mtain-dh12.r1000.mx.aol.com [172.29.65.32]) by air-md06.mail.aol.com (v129.4) with ESMTP id MAILINMD062-8b894c010935c6; Sat, 29 May 2010 08:31:49 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-dh12.r1000.mx.aol.com (Internet Inbound) with ESMTP id D5361380000B7; Sat, 29 May 2010 08:31:47 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OILBn-0001OK-U7 for rs_out_1@blacksheep.org; Sat, 29 May 2010 13:30:55 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OILBn-0001OB-IN for rsgb_lf_group@blacksheep.org; Sat, 29 May 2010 13:30:55 +0100 Received: from out1.ip07ir2.opaltelecom.net ([62.24.128.243]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OILBk-0007oz-Uc for rsgb_lf_group@blacksheep.org; Sat, 29 May 2010 13:30:55 +0100 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AisFAKalAExcEYS4/2dsb2JhbACPEwOPInG9d4UVBA X-IronPort-AV: E=Sophos;i="4.53,322,1272841200"; d="scan'208,217";a="449363179" Received: from unknown (HELO xphd97xgq27nyf) ([92.17.132.184]) by out1.ip07ir2.opaltelecom.net with SMTP; 29 May 2010 13:30:46 +0100 Message-ID: <001301caff2a$bc3cf020$0401a8c0@xphd97xgq27nyf> From: "mal hamilton" To: "rsgb" Date: Sat, 29 May 2010 13:30:34 +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 V6.00.2600.0000 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: LF: LF RX Content-Type: multipart/alternative; boundary="----=_NextPart_000_0010_01CAFF33.1DD67790" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.8 required=5.0 tests=HTML_30_40,HTML_MESSAGE autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d41204c0109334793 X-AOL-IP: 193.82.116.20 ------=_NextPart_000_0010_01CAFF33.1DD67790 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I just checked my Datong upconverter on 9 khz and although the spec li= mit is 90 khz it is fairly good on sensitivity down to at least 8 khz. Using my 136 khz antenna array and not resonant on 9 khz. This compare= s well with my pegelmesser around 9 khz.=20 At present there is some static but no other unwanted noises in fact= low LF is vy quiet around here and well suited for listening for LF= signals. mal/g3kev ------=_NextPart_000_0010_01CAFF33.1DD67790 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

I just checked my Datong upconverter= on 9 khz and=20 although the spec limit is 90 khz it is fairly good on sensitivity dow= n to at=20 least 8 khz.

Using my 136 khz antenna array and no= t resonant on=20 9 khz. This compares well with my pegelmesser around 9 khz.

At present there is some static but= no other=20 unwanted noises in fact low LF is vy quiet around here and well suited= for=20 listening for LF signals.

mal/g3kev

------=_NextPart_000_0010_01CAFF33.1DD67790-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-dh04.r1000.mx.aol.com (mtain-dh04.r1000.mx.aol.com [172.29.65.24]) by air-mc07.mail.aol.com (v129.4) with ESMTP id MAILINMC073-a97d4bfd77cd3a2; Wed, 26 May 2010 15:34:37 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-dh04.r1000.mx.aol.com (Internet Inbound) with ESMTP id 1476238000183; Wed, 26 May 2010 15:34:35 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OHMLj-0002yE-3R for rs_out_1@blacksheep.org; Wed, 26 May 2010 20:33:07 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OHMLi-0002y5-Ol for rsgb_lf_group@blacksheep.org; Wed, 26 May 2010 20:33:06 +0100 Received: from mail-wy0-f170.google.com ([74.125.82.170]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OHMLg-0004iN-Fo for rsgb_lf_group@blacksheep.org; Wed, 26 May 2010 20:33:06 +0100 Received: by wyb36 with SMTP id 36so232392wyb.1 for ; Wed, 26 May 2010 12:32:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=domainkey-signature:mime-version:received:sender:received:date :x-google-sender-auth:message-id:subject:from:to:content-type; bh=hA7wAxLLDSUE5SK/LFuydLYOYVWBkb4+6Zf4ib6XtR0=; b=W/ukNgHnqe4Vv4CRLJA9IXLQNfj5tCLQDH2CWwAZ0gaPYoq+PU0KSYNIy8itSG7yOY 0XM4Bu0vmshfXv4K+rCSlQjOPmwCQTeIM0eKQWv/uL3hR5AWu/6PdIPax91x0Fhb/Dks z9n/gJCNHOYJ1koNjx/KL6QkX0RYZTnc1JdGM= DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=gamma; h=mime-version:sender:date:x-google-sender-auth:message-id:subject :from:to:content-type; b=qIYgMbdHyZ9R6xvmLw59gTi1SrJ380lQqY5oesVMAjoGzi9tt2IXelkXtU7VMf5S7N xeznoc5Hh9eqZD3CSc49G3xlUmgt2UXBFlbNQstcXwsdO6DEwiQ4kfqr6a1iJW3VYRfS YcRFjXnxVE4u4BQuWCpM01/JKR0PloUnNvq+g= MIME-Version: 1.0 Received: by 10.216.85.2 with SMTP id t2mr88577wee.97.1274902378371; Wed, 26 May 2010 12:32:58 -0700 (PDT) Received: by 10.216.185.212 with HTTP; Wed, 26 May 2010 12:32:58 -0700 (PDT) Date: Wed, 26 May 2010 20:32:58 +0100 X-Google-Sender-Auth: j5M4ONUDihjNxA-jJvErWgvuI8E Message-ID: From: Gary - G4WGT To: "LF Group (RSGB)" DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: LF: G4WGT web site feedback. Content-Type: multipart/alternative; boundary=0016e6db2b1562da5904878457b8 X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_20_30,HTML_MESSAGE autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G X-AOL-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-d235.2 ; domain : googlemail.com DKIM : fail x-aol-sid: 3039ac1d41184bfd77cb64aa X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) --0016e6db2b1562da5904878457b8 Content-Type: text/plain; charset=ISO-8859-1 Hi All, Many thanks to all who gave their comments & messages. Hopefully I have made the required amendments to the site. 73 Gary - G4WGT --0016e6db2b1562da5904878457b8 Content-Type: text/html; charset=ISO-8859-1 Hi All,

Many thanks to all who gave their comments & messages.

Hopefully I have made the required amendments to the site.

Gary - G4WGT

--0016e6db2b1562da5904878457b8-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-dj03.r1000.mx.aol.com (mtain-dj03.r1000.mail.aol.com [172.19.187.139]) by air-da08.mail.aol.com (v129.4) with ESMTP id MAILINDA084-86924c002431210; Fri, 28 May 2010 16:14:41 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-dj03.r1000.mx.aol.com (Internet Inbound) with ESMTP id E07CA380000BD; Fri, 28 May 2010 16:14:39 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OI5w0-0007wL-Aq for rs_out_1@blacksheep.org; Fri, 28 May 2010 21:13:36 +0100 Received: from [83.244.159.144] (helo=relay3.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OI5vx-0007u6-6D for rsgb_lf_group@blacksheep.org; Fri, 28 May 2010 21:13:33 +0100 Received: from mail-fx0-f43.google.com ([209.85.161.43]) by relay3.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OI5vv-00015U-7z for rsgb_lf_group@blacksheep.org; Fri, 28 May 2010 21:13:33 +0100 Received: by fxm13 with SMTP id 13so1292144fxm.16 for ; Fri, 28 May 2010 13:13:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:content-type; bh=LBeh/yhT7x/9ZrcD6kZJ5qiU+PjTiWTb6O1Osy8xLnU=; b=SY8BhYhZliUiXb79S77sVbisYIlWZvV80fYAgG3kalVuEf7GbzC4yX2cB/t8R8TXv5 82UuwvgBaj8qQBoQl6Xz51efVBWdISUz/ddGWU/DP6vrh/ZJikzIcGoh79dwif9V+qpi uHaz8SAouJSVfWA9/fGkz8+hInMThenqcCK8E= DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=i2oSfG7SZ/ETB/BCO7wo1iNdJoeWiCiUTjs/drX4tDSHvF2LDSK+465wjO8B7xyrVT 4suRCDuMvOWluuMqCfGpRydwvm9mOy7GcZmXCUUPejfXB9A6QSBs69CgGID6d2VSEMCH QXdrkBoWjXgZEVT/PfMYzXlua5Ve3+JaI9Wwk= MIME-Version: 1.0 Received: by 10.239.162.200 with SMTP id m8mr77208hbd.112.1275077604787; Fri, 28 May 2010 13:13:24 -0700 (PDT) Received: by 10.239.172.2 with HTTP; Fri, 28 May 2010 13:13:24 -0700 (PDT) In-Reply-To: References: <38A51B74B884D74083D7950AD0DD85E82A1C00@File-Server-HST.hst.e-technik.tu-darmstadt.de> <1344257766.4243506.1275063067203.JavaMail.fmail@mwmweb035> Date: Fri, 28 May 2010 21:13:24 +0100 Message-ID: From: Andy Talbot To: rsgb_lf_group@blacksheep.org DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: Re: LF: 8.97kHz - Near field test by ear: The "human factor" Content-Type: multipart/alternative; boundary=001485f271b0b1c57e0487ad2385 X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_20_30,HTML_MESSAGE autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G X-AOL-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-d252.2 ; domain : googlemail.com DKIM : pass x-aol-sid: 3039cdbc9d074c00242f1e94 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) --001485f271b0b1c57e0487ad2385 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Only to those of a, errr, well, somewhat younger age. 800Hz to decent speakers, and its a different matter.... Mind you, listening to a teenagers car just gone past, a few tens-Hz of bass-boom goes a long way. He won't be hearing 8kHz in a few years time. Andy www.g4jnt.com On 28 May 2010 20:50, John P-G wrote: > > > On Fri, 28 May 2010, Horst St=F6cker wrote: > > > Hello dreamers > > > > Unbelievable: 400m at by ear reception with only 4 Watt > > > > > I'm amazed at the work put in by the dreamers on this band, but just thi= nk > - 4W of 9kHz fed to a decent speaker system - would be audible by the > human ear at 400m, just as accoustic waves... surely?? > > > > > Keep it up guys, this really /is/ LF if anything ever is. Makes 500kHz > seem light light-waves > > J > > GM4SLV --001485f271b0b1c57e0487ad2385 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable

Only to those of a,=A0 errr, well,=A0somewhat younger age.=A0=A0=A0=

800Hz to decent speakers,=A0=A0and its=A0a different matter....

=A0

Mind you, listening to a teenagers car just gone past, a few tens-Hz= of bass-boom goes a long way.=A0 He won't be hearing 8kHz in a few ye= ars time.

Andy
www.g4jnt.= com

On 28 May 2010 20:50, John P-G <gm4slv@sighthound.d= emon.co.uk> wrote:

On Fri, 28 May 2010,= Horst St=F6cker wrote:

> Hello dreamers
>
> Unbelie= vable: 400m at by ear reception with only 4 Watt

<tounge firmly in cheek>

I'm amazed at the work= put in by the dreamers on this band, but just think
- 4W of 9kHz fed= to a decent speaker system - would be audible by the
human ear at 400m= , just as accoustic waves... surely??

</tounge in cheek>

Keep it up guys, this really /is/= LF if anything ever is. Makes 500kHz
seem light light-waves

J
GM4SLV

--001485f271b0b1c57e0487ad2385-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-da02.r1000.mx.aol.com (mtain-da02.r1000.mx.aol.com [172.29.64.74]) by air-dc03.mail.aol.com (v129.4) with ESMTP id MAILINDC032-86274bf447be1c5; Wed, 19 May 2010 16:19:10 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-da02.r1000.mx.aol.com (Internet Inbound) with ESMTP id AA9A138000103; Wed, 19 May 2010 16:19:08 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OEpiT-0002vl-G2 for rs_out_1@blacksheep.org; Wed, 19 May 2010 21:18:09 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OEpiS-0002vc-W0 for rsgb_lf_group@blacksheep.org; Wed, 19 May 2010 21:18:08 +0100 Received: from smtp-out12.han.skanova.net ([195.67.226.212]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OEpiQ-0006pO-9L for rsgb_lf_group@blacksheep.org; Wed, 19 May 2010 21:18:08 +0100 Received: from [127.0.0.1] (81.235.167.68) by smtp-out12.han.skanova.net (8.5.114) (authenticated as u33233109) id 4BC6CFA700B0D3AE for rsgb_lf_group@blacksheep.org; Wed, 19 May 2010 22:17:59 +0200 Message-ID: <4BF4477A.8080308@telia.com> Date: Wed, 19 May 2010 22:18:02 +0200 From: "Johan H. Bodin" User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; sv-SE; rv:1.9.1.9) Gecko/20100317 Thunderbird/3.0.4 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <008f01caf784$779a11d0$0301a8c0@your91hoehfy9g> In-Reply-To: X-Spam-Score: 1.4 (+) X-Spam-Report: autolearn=disabled,RATWARE_GECKO_BUILD=1.426 Subject: Re: LF: Alpha dashes Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d404a4bf447bc2132 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) Jacek, LF, I have measured SAQ's "backwave" on a few occasions in the past and I think it was about -17dB referred to key-down, about 4kW output. The Alpha signals, when active, are easily copied here using nothing more than an piece of wire connected to an audio amplifier with hi-z input. 73 Johan SM6LKM Jacek Lipkowski wrote: > a much better test of antennas would be if people can receive SAQ with > the key up (when it is not transmitting) - i don't know what the output > power is, but lower than ALFA, probably a few kW. > > jacek From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-mi10.r1000.mx.aol.com (mtain-mi10.r1000.mail.aol.com [172.21.131.168]) by air-db07.mail.aol.com (v129.4) with ESMTP id MAILINDB071-85f34c0171ae10a; Sat, 29 May 2010 15:57:34 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-mi10.r1000.mx.aol.com (Internet Inbound) with ESMTP id 3B1E0380000C3; Sat, 29 May 2010 15:57:33 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OIS8r-0004Q4-7D for rs_out_1@blacksheep.org; Sat, 29 May 2010 20:56:21 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OIS8q-0004Pv-T6 for rsgb_lf_group@blacksheep.org; Sat, 29 May 2010 20:56:20 +0100 Received: from smtp-vbr4.xs4all.nl ([194.109.24.24]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OIS8o-0002PT-PA for rsgb_lf_group@blacksheep.org; Sat, 29 May 2010 20:56:20 +0100 Received: from pc1 (ndb.demon.nl [82.161.81.65]) by smtp-vbr4.xs4all.nl (8.13.8/8.13.8) with ESMTP id o4TJuCkj043026 for ; Sat, 29 May 2010 21:56:18 +0200 (CEST) (envelope-from roelof@ndb.demon.nl) To: rsgb_lf_group@blacksheep.org References: <38A51B74B884D74083D7950AD0DD85E82A1C00@File-Server-HST.hst.e-technik.tu-darmstadt.de> <4BFFEECE.4040708@iup.uni-heidelberg.de> <4C00B3D8.40403@legal-medicine.de> <4C011C98.4020009@iup.uni-heidelberg.de> <4C013454.9020300@legal-medicine.de> <4C015A40.9020105@freenet.de> Date: Sat, 29 May 2010 21:56:01 -0000 MIME-Version: 1.0 From: "Roelof Bakker" Message-ID: In-Reply-To: <4C015A40.9020105@freenet.de> User-Agent: Opera Mail/10.53 (Win32) X-Virus-Scanned: by XS4ALL Virus Scanner X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Content-Type: text/plain; charset=iso-8859-15; format=flowed; delsp=yes Subject: LF: EMU 0202 Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039400cded24c0171ad4266 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) Hello Peter, Thanks anyway. Wolfgang, under Windows XP PRO, SP3 boot up stops sometimes completely and resumes the moment the EMU 0202 is switches off! I will install it on my SAMSUNG NC10, which also runs under XP and see if the problem occurs as well. Anyway, the music audio quality with a good headphone (BD DT770) is awesome. 73, Roelof, pa0rdt From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-da04.r1000.mx.aol.com (mtain-da04.r1000.mx.aol.com [172.29.64.76]) by air-ma01.mail.aol.com (v129.4) with ESMTP id MAILINMA012-b4f04be2d095237; Thu, 06 May 2010 10:22:13 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-da04.r1000.mx.aol.com (Internet Inbound) with ESMTP id 0CB12380001CD; Thu, 6 May 2010 10:22:10 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OA1wZ-0003dQ-Ci for rs_out_1@blacksheep.org; Thu, 06 May 2010 15:20:51 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OA1wY-0003dH-VX for rsgb_lf_group@blacksheep.org; Thu, 06 May 2010 15:20:50 +0100 Received: from smtp5.freeserve.com ([193.252.22.151] helo=smtp6.freeserve.com) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OA1wW-0007A2-8b for rsgb_lf_group@blacksheep.org; Thu, 06 May 2010 15:20:50 +0100 Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf3506.me.freeserve.com (SMTP Server) with ESMTP id 06AFB70000AC for ; Thu, 6 May 2010 16:20:42 +0200 (CEST) Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf3506.me.freeserve.com (SMTP Server) with ESMTP id EE5BB70000B5 for ; Thu, 6 May 2010 16:20:41 +0200 (CEST) Received: from AGB (unknown [91.110.73.61]) by mwinf3506.me.freeserve.com (SMTP Server) with SMTP id B79C270000AC for ; Thu, 6 May 2010 16:20:41 +0200 (CEST) X-ME-UUID: 20100506142041752.B79C270000AC@mwinf3506.me.freeserve.com Message-ID: <9BCE59F3612041E2978D292C01D4E3E6@AGB> From: "Graham" To: References: In-Reply-To: Date: Thu, 6 May 2010 15:20:41 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8089.726 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8089.726 X-Antivirus: avast! (VPS 100506-0, 06/05/2010), Outbound message X-Antivirus-Status: Clean X-Spam-Score: 1.5 (+) X-Spam-Report: autolearn=disabled,SUBJECT_ENCODED_TWICE=1.543 Subject: =?Windows-1252?Q?Re:_LF:_Re:_LF:_500_Permit_emission=92s_bandwidth=3F_EU_?= =?Windows-1252?Q?and_Global_=3F=3F?= Content-Type: text/plain; format=flowed; charset="Windows-1252"; reply-type=original Content-Transfer-Encoding: quoted-printable X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.1 required=5.0 tests=MISSING_OUTLOOK_NAME autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d404c4be2d0926a18 X-AOL-IP: 193.82.116.20 Thanks Warren, Post the ros-tests here may be a narrow version of the Ros dat= a=20 mode , but it looks like it will have to be 100 Hz and not 125 Hz= or no=20 one will be able to use it (on 500) .. assuming the little proble= ms=20 are resolved , it will also run on hf and take much less space ..= . Beacons may be able to run the eme mode as is ? (eme is a live keyboard chat mode .. but only 1 baud, the new= =20 'hf/mf' version will be faster. if its coded) 73 - G.. -------------------------------------------------- From: "Warren Ziegler" Sent: Thursday, May 06, 2010 3:01 PM To: Subject: LF: Re: LF: 500 Permit emission=92s bandwidth? EU and Global= ?? > > Graham, > > In the US there is no amateur allocation only "Experimental > Licenses" issued under Part 5 of the FCC Rules (Amateur is under Par= t > 97 of the FCC Rules). Each Experimental license is unique, it is up= to > the applicant to request frequencies, power, modes, and bandwidth,= it > is up to the FCC to decide on a case by case basis if there is > adequate justification for the request. The 500kHz license > application that I filed (WE2XGR) specifies up to 1kHz for data and > also allows for ssb. The WD2XSH license filed on behalf of the ARRL > specifies cw and narrowband data (PSK, WSPR) only. > > --=20 > 73 Warren K2ORS > WD2XGJ > WD2XSH/23 > WE2XEB/2 > WE2XGR/1 > > > > On Wed, May 5, 2010 at 5:39 PM, Graham wro= te: >> 500 Permit emission=92s bandwidth? >> >> >> >> Can any one indicated what is the permitted =91telegraphy=92 ba= ndwidth=20 >> of >> the various =91new=92 500KHz licences or special permits issued= round the >> EU and now the rest of the Globe ? >> >> >> >> I have the impression that 100 Hz is the maximum =91telegraphy=92= =20 >> transmission >> bandwidth, in some cases, eg , Belgium at 100 Hz . Others appear= to be=20 >> some >> what wider or not defined ?. >> >> >> >> Norway is CW only ? what is the Dutch allocation ? Southern Ire= land ? >> ... etc >> >> >> >> Are Beacons defined by mode or bandwidth ? >> >> >> >> Tnx =96 Graham >> >> G0NBD >> >> >> >> (I use the word =91telegraphy=92 as defined by the ITU R V.662-3= , please >> no reference to key clicks ! ) >> >> > >=20 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-mh12.r1000.mx.aol.com (mtain-mh12.r1000.mx.aol.com [172.29.96.224]) by air-me04.mail.aol.com (v129.4) with ESMTP id MAILINME044-8baf4bf4a35131d; Wed, 19 May 2010 22:49:53 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-mh12.r1000.mx.aol.com (Internet Inbound) with ESMTP id AEE4238000182; Wed, 19 May 2010 22:49:51 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OEvo3-0006T2-Qn for rs_out_1@blacksheep.org; Thu, 20 May 2010 03:48:19 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OEvo3-0006St-GF for rsgb_lf_group@blacksheep.org; Thu, 20 May 2010 03:48:19 +0100 Received: from defout.telus.net ([204.209.205.55]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OEvnz-00033N-JK for rsgb_lf_group@blacksheep.org; Thu, 20 May 2010 03:48:19 +0100 Received: from edmwaa03.telusplanet.net ([75.157.134.124]) by priv-edmwes72.telusplanet.net (InterMail vM.7.08.02.00 201-2186-121-20061213) with ESMTP id <20100520024812.JFDC29628.priv-edmwes72.telusplanet.net@edmwaa03.telusplanet.net> for ; Wed, 19 May 2010 20:48:12 -0600 Received: from [192.168.1.67] (d75-157-134-124.bchsia.telus.net [75.157.134.124]) by edmwaa03.telusplanet.net (BorderWare Security Platform) with ESMTP id 897E22762FC04CA6 for ; Wed, 19 May 2010 20:48:11 -0600 (MDT) Message-ID: <4BF4A2EB.4060800@telus.net> Date: Thu, 20 May 2010 02:48:11 +0000 From: Scott Tilley User-Agent: Thunderbird 2.0.0.24 (Windows/20100228) MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <004801caf760$dfb591a0$0301a8c0@your91hoehfy9g> In-Reply-To: <004801caf760$dfb591a0$0301a8c0@your91hoehfy9g> X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: Dreamers9 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.9 required=5.0 tests=FROM_ENDS_IN_NUMS autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d60e04bf4a34f6fa6 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) Hey Mal I hear the Alpha signals here in Western NA all day every day when they are active. Usually about 20db over the noise. Always audible on a very small active loop (ie. if they where a CW station they'd be workable) . 73 Scott VE7TIL mal hamilton wrote: > LF/MF > How many are receiving the Omega signals on 11, 12 kcs area and at > what strength. This would indicate how they might RX on 9 kcs. > mal/g3kev > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-mg09.r1000.mx.aol.com (mtain-mg09.r1000.mx.aol.com [172.29.96.209]) by air-mf04.mail.aol.com (v129.4) with ESMTP id MAILINMF043-8be74bdfe16a2f6; Tue, 04 May 2010 04:57:14 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-mg09.r1000.mx.aol.com (Internet Inbound) with ESMTP id D8962380000FB; Tue, 4 May 2010 04:57:12 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1O9DvB-0004wY-Aq for rs_out_1@blacksheep.org; Tue, 04 May 2010 09:56:05 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1O9DvA-0004wP-Ut for rsgb_lf_group@blacksheep.org; Tue, 04 May 2010 09:56:04 +0100 Received: from fmmailgate09.web.de ([217.72.192.184]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1O9Dv8-0006nK-KT for rsgb_lf_group@blacksheep.org; Tue, 04 May 2010 09:56:04 +0100 Received: from mwmweb080 ( [172.20.18.98]) by fmmailgate09.web.de (Postfix) with ESMTP id 2FAE32BA4261 for ; Tue, 4 May 2010 10:55:57 +0200 (CEST) Received: from [84.63.107.27] by mwmweb080 with HTTP; Tue May 04 10:55:57 CEST 2010 Message-ID: <25222957.3831455.1272963357186.JavaMail.fmail@mwmweb080> Date: Tue, 4 May 2010 10:55:57 +0200 (CEST) From: =?ISO-8859-15?Q?Horst_St=F6cker?= MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <995528425.20100502225055@mterrier.net>, <98EBD57CEAA64114B2494317506FB636@AGB> <9840123.3797104.1272960242231.JavaMail.fmail@mwmweb080>, <4BDFDAF0.2000704@iup.uni-heidelberg.de> In-Reply-To: <4BDFDAF0.2000704@iup.uni-heidelberg.de> X-UI-Message-Type: mail X-UI-ATTACHMENT-ID-POSTFIX: 37c9a4ac-9d4f-443f-9ed6-d8336f4cd4da X-Priority: 3 Importance: normal Sensitivity: Normal X-Provags-ID: V01U2FsdGVkX1+Ri0qVRwfAPzu3NxtSw14xgIb7fvVFMaPyvksjD4WkCdSW8++TFi3o ypulF7FVIX5VLhM8LX4Y6AyrwE/Fes+2XGjq+8cgNMGEWPVv9U3Pwg== X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: BF862 for Stefans 9kHz active antenna Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.8 required=5.0 tests=PRIORITY_NO_NAME autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d60d14bdfe16862f0 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) No problem. I have a busines. Horst -----Urspr=C3=BCngliche Nachricht----- Von: "Stefan Sch=C3=A4fer" Gesendet: 04.05.2010 10:29:36 An: rsgb_lf_group@blacksheep.org Betreff: Re: LF: BF862 for Stefans 9kHz active antenna >Hello Horst, > >http://de.rs-online.com/web/search/searchBrowseAction.html?method=3Dsearc= hProducts&searchTerm=3Dbf862 > >But you need to work in a business or know someone who works there to=20 >order. (Kein Verkauf (seit 2010) mehr an Privatkunden) > > >73, Stefan/DK7FC > > > >Am 04.05.2010 10:04, schrieb Horst St=C3=B6cker: >> Hello Stefan, LF, >> >> where did you get the BF862? >> >> I tried online at Reichelt, Conrad, Segor, Schukat, B=C3=BCrklin and Fu= nkamateur without success. >> >> vy73 Horst DO1KHS/DI2AN >> ___________________________________________________________ >> GRATIS: Movie-Flat mit =C3=BCber 300 Top-Videos. F=C3=BCr WEB.DE Nutzer >> dauerhaft kostenlos! Jetzt freischalten unter http://movieflat.web.de >> >> =20 > ___________________________________________________________ GRATIS: Movie-Flat mit =C3=BCber 300 Top-Videos. F=C3=BCr WEB.DE Nutzer dauerhaft kostenlos! Jetzt freischalten unter http://movieflat.web.de From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-mh03.r1000.mx.aol.com (mtain-mh03.r1000.mx.aol.com [172.29.96.215]) by air-de03.mail.aol.com (v129.4) with ESMTP id MAILINDE032-5eab4be19a0fc0; Wed, 05 May 2010 12:17:19 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-mh03.r1000.mx.aol.com (Internet Inbound) with ESMTP id DB7FD3800018C; Wed, 5 May 2010 12:17:16 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1O9hG6-0000L4-TC for rs_out_1@blacksheep.org; Wed, 05 May 2010 17:15:38 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1O9hG6-0000Kv-IM for rsgb_lf_group@blacksheep.org; Wed, 05 May 2010 17:15:38 +0100 Received: from fmmailgate09.web.de ([217.72.192.184]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1O9hG3-00085t-LW for rsgb_lf_group@blacksheep.org; Wed, 05 May 2010 17:15:38 +0100 Received: from mwmweb080 ( [172.20.18.98]) by fmmailgate09.web.de (Postfix) with ESMTP id CD1302BAB665 for ; Wed, 5 May 2010 18:14:57 +0200 (CEST) Received: from [84.63.107.27] by mwmweb080 with HTTP; Wed May 05 18:14:57 CEST 2010 MIME-Version: 1.0 In-Reply-To: References: <970AA2D6F18145E49501BF6E3F5C524A@ns94d01ae4d850>, Date: Wed, 5 May 2010 18:14:57 +0200 (CEST) Message-ID: <3138084.771339.1273076097834.JavaMail.fmail@mwmweb080> From: =?ISO-8859-15?Q?Horst_St=F6cker?= To: rsgb_lf_group@blacksheep.org X-UI-Message-Type: mail X-UI-ATTACHMENT-ID-POSTFIX: dcda7713-5ab6-4763-b163-5bcbb215da68 X-Priority: 3 Importance: normal Sensitivity: Normal X-Provags-ID: V01U2FsdGVkX1+Df96X7Ullz97GECIsC+tBrDb07JOuPDZhAZvJ/IQOyMKZVlzPq4GM +KK/w57yGTXNFrS9Du+cb2zMx2aM4goHQs/si2COn91OvvAENzzH+A== X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,UPPERCASE_25_50=0 Subject: LF: DI2AN tonight in QRSS 10 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.1 required=5.0 tests=PRIORITY_NO_NAME, UPPERCASE_25_50 autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d60d74be19a0c20f5 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) from now on . . . ___________________________________________________________ NEU: WEB.DE DSL f=C3=BCr 19,99 EUR/mtl. und ohne Mindest-Laufzeit! http://produkte.web.de/go/02/ From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-mj01.r1000.mx.aol.com (mtain-mj01.r1000.mail.aol.com [172.21.164.85]) by air-me03.mail.aol.com (v129.4) with ESMTP id MAILINME032-8ba94beee281224; Sat, 15 May 2010 14:05:53 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-mj01.r1000.mx.aol.com (Internet Inbound) with ESMTP id 835CF380000F8; Sat, 15 May 2010 14:05:51 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ODLie-0003Gh-6p for rs_out_1@blacksheep.org; Sat, 15 May 2010 19:04:12 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ODLid-0003GY-Sg for rsgb_lf_group@blacksheep.org; Sat, 15 May 2010 19:04:11 +0100 Received: from cpsmtpb-ews03.kpnxchange.com ([213.75.39.6]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1ODLic-0003Ip-55 for rsgb_lf_group@blacksheep.org; Sat, 15 May 2010 19:04:11 +0100 Received: from cpbrm-ews05.kpnxchange.com ([10.94.84.136]) by cpsmtpb-ews03.kpnxchange.com with Microsoft SMTPSVC(6.0.3790.3959); Sat, 15 May 2010 20:04:04 +0200 Received: from CPSMTPM-EML108.kpnxchange.com ([195.121.3.12]) by cpbrm-ews05.kpnxchange.com with Microsoft SMTPSVC(6.0.3790.3959); Sat, 15 May 2010 20:04:04 +0200 Received: from ns94d01ae4d850 ([81.204.139.159]) by CPSMTPM-EML108.kpnxchange.com with Microsoft SMTPSVC(7.0.6001.18000); Sat, 15 May 2010 20:04:03 +0200 Message-ID: From: "henny van elst" To: "blacksheep" Date: Sat, 15 May 2010 20:03:48 +0200 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5843 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 X-OriginalArrivalTime: 15 May 2010 18:04:04.0003 (UTC) FILETIME=[0107B730:01CAF459] X-RecipientDomain: blacksheep.org X-Spam-Score: 3.4 (+++) X-Spam-Report: autolearn=disabled,FORGED_MUA_OUTLOOK=3.36,HTML_MESSAGE=0.001 Subject: LF: 503.805Khz Content-Type: multipart/alternative; boundary="----=_NextPart_000_0006_01CAF469.BB528010" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.7 required=5.0 tests=FORGED_MUA_OUTLOOK,HTML_60_70, HTML_MESSAGE autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039400c89a24beee27f3c56 X-AOL-IP: 193.82.116.20 ------=_NextPart_000_0006_01CAF469.BB528010 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi,LF The tx is on, frequency 503.805Khz,qrss10 henny pa3cpm best 73s ------=_NextPart_000_0006_01CAF469.BB528010 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Hi,LF

The tx is on,

frequency 503.805Khz,qrss10

henny pa3cpm

best 73s

------=_NextPart_000_0006_01CAF469.BB528010-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-di05.r1000.mx.aol.com (mtain-di05.r1000.mx.aol.com [172.29.64.9]) by air-di06.mail.aol.com (v129.4) with ESMTP id MAILINDI062-eacb4c0240afe6; Sun, 30 May 2010 06:40:47 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-di05.r1000.mx.aol.com (Internet Inbound) with ESMTP id 6000C38000088; Sun, 30 May 2010 06:40:45 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OIfvl-0006O0-8B for rs_out_1@blacksheep.org; Sun, 30 May 2010 11:39:45 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OIfvk-0006Nr-Jv for rsgb_lf_group@blacksheep.org; Sun, 30 May 2010 11:39:44 +0100 Received: from mail-fx0-f43.google.com ([209.85.161.43]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OIfvi-0007lY-1I for rsgb_lf_group@blacksheep.org; Sun, 30 May 2010 11:39:44 +0100 Received: by fxm13 with SMTP id 13so2001146fxm.16 for ; Sun, 30 May 2010 03:39:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:content-type; bh=8WGs9oTDAs/DB0Gt73eELGh2h9h7vpYBxSZ0M8ydX0M=; b=JKnuU6WqQzyIfjJ7bDeknnDmwW3xmHVAO7MCRsRG/Ey5/gYocl4b/DexQVmF8gRStk 7sih+6Dvgg3s09p021Ft/sIuzmV7y61AC79CBDHkjdecAHt0thUkj+lX1x7ipLIqczzU dJO77GBbmeEgVnaBUU4yoWiky8n4oljvlyCu0= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=Cxo7xY5wFFORW2l203nZlJ2fEy6+ppNEmNol56bT2L/orTxOUKa84zTPxpV4a1B1JK VyLvptHn+zmea1HaxNmALcrdO0dR3G3QCy2TaVkyYBlExIKY1/z2SHUE5+LIps3qZWhg fi1aTdPSo6LUeLwQcfoSFcMgT9Gl35XpIyTbo= MIME-Version: 1.0 Received: by 10.103.79.19 with SMTP id g19mr992523mul.75.1275215975881; Sun, 30 May 2010 03:39:35 -0700 (PDT) Received: by 10.204.58.204 with HTTP; Sun, 30 May 2010 03:39:35 -0700 (PDT) In-Reply-To: <001701caff80$4d00df40$0401a8c0@xphd97xgq27nyf> References: <002801caff4a$19054900$0401a8c0@xphd97xgq27nyf> <005301caff5d$3092d110$0401a8c0@xphd97xgq27nyf> <001701caff80$4d00df40$0401a8c0@xphd97xgq27nyf> Date: Sun, 30 May 2010 11:39:35 +0100 Message-ID: From: Roger Lapthorn To: rsgb_lf_group@blacksheep.org DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: Re: LF: Re: Re: VLF SIGS Content-Type: multipart/alternative; boundary=0016e65b5dd6411b310487cd5b41 X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=HTML_MESSAGE autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G X-AOL-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-m225.2 ; domain : gmail.com DKIM : pass x-aol-sid: 3039ac1d40094c0240ad07c5 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) --0016e65b5dd6411b310487cd5b41 Content-Type: text/plain; charset=ISO-8859-1 Hi Mal, Excellent news that you're taking steps in the 8.97kHz direction. Your involvement will be much appreciated by many and there are lots of DX records for you to set. It would give me the greatest of pleasure to decode/see/hear a signal from you. The best chance of a signal that you might copy will be when Stefan DK7FC tests with his QRO and kite antenna next, although I believe the background noise is much higher in summertime. To copy him we will all need decent DSP based PC receivers with accurate frequency calibration and narrow effective bandwidths. As you know, Paul Nicholson copied him in Yorkshire some weeks back. My own transmissions are unlikely to be copied more than a few kilometers away. BTW, the main VLF military/commercial transmitters are strong here on a most basic VLF receiver and antenna. I've not tried to listen for the Alpha beacons recently although I could copy them using my upconverter the last time I tried some weeks ago. 73s and I wish you the best of success Roger G3XBM On 29 May 2010 23:43, mal hamilton wrote: > Jim > The frequencies I quoted have a 750 hz offset that is why I said not > calibrated, just a rough reception guide around the frequency area of > interest. > The signals are all very loud with me. I can accurately calibrate when > necessary. > Not sure if it is a good idea to connect my antennas directly to the > soundcard, maybe via an attenuator for front end control. I also have a W & > G 220 hz - 20 khz RX which is very sensitive but wideband and would be a > better approach if I feed this into the sound card. I have a number of > options available here I just need a beacon on 9 kcs > de mal/g3kev > > ----- Original Message ----- > From: "James Moritz" > To: > Sent: Saturday, May 29, 2010 8:35 PM > Subject: LF: Re: VLF SIGS > > > > Dear Mal, LF Group, > > > > Everyone can receive those signals in the UK, even with fairly poor > > receiving conditions (actually copying the traffic would be another > matter - > > I wouldn't go there ;-)). Most are quite strong, and in a different > octave > > of the spectrum from amateur activity, so not really a good receive > > performance check - rather like using BBC R4 on 198kHz as a test for > 136kHz > > reception performance. But the frequencies you list are a long way out, a > > few hundred hertz low. There is spectrum display at > > http://abelian.org/vlf/spectrum.shtml with station IDs and accurate > > frequency calibration. Bear in mind that you do need to be able to set > the > > RX frequency within a hertz or less, and have much less drift than that, > for > > the kind of DX tests that have been done recently. Better in that case to > > dispense with the converter and RX, and just feed the signals direct into > a > > PC sound card - frequency errors will be much smaller, and if you are > using > > a reasonably large antenna, you probably won't even need a preamp. > > > > Cheers, Jim Moritz > > 73 de M0BMU > > > > > > ----- Original Message ----- > > From: "mal hamilton" > > To: > > Sent: Saturday, May 29, 2010 7:31 PM > > Subject: LF: Re: VLF SIGS > > > > > > Does anyone else copy these signals? If not forget about VLF. > > g3kev > > > > ----- Original Message ----- > > From: mal hamilton > > To: rsgb > > Sent: Saturday, May 29, 2010 5:15 PM > > Subject: LF: VLF SIGS > > > > > > Not calibrated > > 16.2, 18.1, 19.4, 20.1, 20.7, 21.8, 23.1, 23.8 Khz > > All the above freqs active rtty type sigs and strong. > > nil hrd below 16.2 Khz at present > > No alpha sigs hrd today > > > > mal/g3kev > > > > > > > > > > > -- http://g3xbm-qrp.blogspot.com/ http://www.g3xbm.co.uk http://www.youtube.com/user/g3xbm G3XBM GQRP 1678 ISWL G11088 --0016e65b5dd6411b310487cd5b41 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Hi Mal,

Excellent news that you're taking steps in the 8.97kHz= direction. Your involvement will be much appreciated by many and there ar= e lots of DX records for you to set. It would give me the greatest of plea= sure to decode/see/hear a signal from you.

The best chance of a signal that you might copy will be when Stefan DK= 7FC tests with his QRO and kite antenna next, although I believe the backg= round noise is much higher in summertime. To copy him we will all need dec= ent DSP based PC receivers with accurate frequency calibration and narrow= effective bandwidths. As you know, Paul Nicholson copied him in Yorkshire= some weeks back. My own transmissions are unlikely to be copied more than= a few kilometers away.

BTW, the main VLF military/commercial transmitters are strong here on= a most basic VLF receiver and antenna. I've not=A0 tried to listen fo= r the Alpha beacons recently although I could copy them using my upconvert= er the last time I tried some weeks ago.

73s and I wish you the best of success

Roger G3XBM

<= br>

On 29 May 2010 23:43, mal hamilt= on <g3kevmal= @talktalk.net> wrote:

Jim
The frequencies I quoted have a 750 hz offset that is why I said not
calibrated, just a rough reception guide around the frequency area of
interest.
The signals are all very loud with me. I can accurately calibrate when
necessary.
Not sure if it is a good idea to connect my antennas directly to the
soundcard, maybe via an attenuator for front end control. I also have a W= &
G 220 hz - 20 khz RX which is very sensitive but wideband and would be a better approach if I feed this into the sound card. I have a number of
options available here I just need a beacon on 9 kcs
de mal/g3kev

----- Original Message -----
From: "James Moritz" <james.moritz@btopenworld.com>
To: <rsgb_lf_group@blac= ksheep.org>
Sent: Saturday, May 29, 2010 8:35 PM
Subject: LF: Re: VLF SIGS

> Dear Mal, LF Group,
>
> Everyone can receive those signals in the UK, even with fairly poor > receiving conditions (actually copying the traffic would be another matter -
> I wouldn't go there ;-)). Most are quite strong, and in a differe= nt octave
> of the spectrum from amateur activity, so not really a good receive > performance check - rather like using BBC R4 on 198kHz as a test for<= br> 136kHz
> reception performance. But the frequencies you list are a long way ou= t, a
> few hundred hertz low. There is spectrum display at
> h= ttp://abelian.org/vlf/spectrum.shtml with station IDs and accurate
> frequency calibration. Bear in mind that you do need to be able to se= t the
> RX frequency within a hertz or less, and have much less drift than th= at,
for
> the kind of DX tests that have been done recently. Better in that cas= e to
> dispense with the converter and RX, and just feed the signals direct= into
a
> PC sound card - frequency errors will be much smaller, and if you are=
using
> a reasonably large antenna, you probably won't even need a preamp= .
>
> Cheers, Jim Moritz
> 73 de M0BMU
>
>
> ----- Original Message -----
> From: "mal hamilton" <g3kevmal@talktalk.net>
> To: <rsgb_lf_group= @blacksheep.org>
> Sent: Saturday, May 29, 2010 7:31 PM
> Subject: LF: Re: VLF SIGS
>
>
> Does anyone else copy these signals? If not forget about VLF.
> g3kev
>
> =A0 ----- Original Message -----
> =A0 From: mal hamilton
> =A0 To: rsgb
> =A0 Sent: Saturday, May 29, 2010 5:15 PM
> =A0 Subject: LF: VLF SIGS
>
>
> =A0 Not calibrated
> =A0 16.2, 18.1, 19.4, 20.1, 20.7, 21.8, 23.1, 23.8 Khz
> =A0 All the above freqs active rtty type sigs and strong.
> =A0 nil hrd below 16.2 Khz at present
> =A0 No alpha sigs hrd today
>
> =A0 mal/g3kev
>
>
>
>

--
http://g3xbm-qrp.blogspot.com/
http://www.g3xbm.co.uk
http://www.youtube.com/user/g3xbm
G3XBM =A0 =A0GQRP 1678 =A0 =A0 =A0ISWL G11088
--0016e65b5dd6411b310487cd5b41-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-dg03.r1000.mx.aol.com (mtain-dg03.r1000.mx.aol.com [172.29.65.11]) by air-ma02.mail.aol.com (v129.4) with ESMTP id MAILINMA022-b4f44bea82152e3; Wed, 12 May 2010 06:25:25 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-dg03.r1000.mx.aol.com (Internet Inbound) with ESMTP id 72D7538000090; Wed, 12 May 2010 06:25:23 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OC96a-0003sd-Pv for rs_out_1@blacksheep.org; Wed, 12 May 2010 11:23:56 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OC96a-0003sU-ED for rsgb_lf_group@blacksheep.org; Wed, 12 May 2010 11:23:56 +0100 Received: from out1.ip03ir2.opaltelecom.net ([62.24.128.239]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OC96Y-00020W-HM for rsgb_lf_group@blacksheep.org; Wed, 12 May 2010 11:23:56 +0100 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AroJACse6ksCYhz5/2dsb2JhbACOSwOJEoZEA3G5VoUSBA X-IronPort-AV: E=Sophos;i="4.53,213,1272841200"; d="scan'208,217";a="305591376" Received: from unknown (HELO xphd97xgq27nyf) ([2.98.28.249]) by out1.ip03ir2.opaltelecom.net with SMTP; 12 May 2010 11:23:47 +0100 Message-ID: <000a01caf1bd$32556290$0401a8c0@xphd97xgq27nyf> From: "mal hamilton" To: "rsgb" Date: Wed, 12 May 2010 11:23:42 +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 V6.00.2600.0000 X-Spam-Score: 0.2 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001,RCVD_ILLEGAL_IP=0.234 Subject: LF: LD30 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0007_01CAF1C5.93CFF050" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_40_50,HTML_MESSAGE autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d410b4bea82132f75 X-AOL-IP: 193.82.116.20 ------=_NextPart_000_0007_01CAF1C5.93CFF050 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable LF/MF I have a LD30 W & G group delay measuring instrument. It has a RX and= TX range 200 Hz - 20 kHz and would make a nice stable source for 9 kH= z tx and a wideband RX. With a suitable external dsp filter it could= be useful. Although I can manage the unit a handbook would be useful. 73 de mal/g3kev =20 ------=_NextPart_000_0007_01CAF1C5.93CFF050 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

LF/MF

I have a LD30 W & G group delay= measuring=20 instrument. It has a RX and TX range 200 Hz - 20 kHz and would make a= nice=20 stable source for 9 kHz tx and a wideband RX. With a suitab= le=20 external dsp filter it could be useful.

Although I can manage the unit a hand= book would be=20 useful.

73 de mal/g3kev

Audio and modulation transformers sho= uld be useful=20 at 9 kHz for antenna loading

g3kev

>> http://websdr.pa3= weg.nl/ << =20 0 to 23 KHz

nb if you set the freq do= wn to round=20 -0- hz , it seems to pick up the = vlf=20 whistles etc quite well .. which makes&n= bsp;=20 very big arrays (for rx) a little questionable ?

http://www.pa3weg.nl/index.php?id=3Dwebsdr_de= sc

From: mal hamilton

Sent: Saturday, May 29, 2010 1:22 PM

To: rsgb

Subject: LF: ALPHA

LF/MF

Are the alpha sigs back on 11/12 kcs.=

de mal/g3kev

------=_NextPart_000_0073_01CAFF84.10E305C0-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-di09.r1000.mx.aol.com (mtain-di09.r1000.mx.aol.com [172.29.64.13]) by air-me09.mail.aol.com (v129.4) with ESMTP id MAILINME092-8bc14bdebe11144; Mon, 03 May 2010 08:14:09 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-di09.r1000.mx.aol.com (Internet Inbound) with ESMTP id 9F1BC38000097; Mon, 3 May 2010 08:14:07 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1O8uVl-0002lX-NA for rs_out_1@blacksheep.org; Mon, 03 May 2010 13:12:33 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1O8uVl-0002lO-5c for rsgb_lf_group@blacksheep.org; Mon, 03 May 2010 13:12:33 +0100 Received: from smtp5.freeserve.com ([193.252.22.128]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1O8uVj-000271-49 for rsgb_lf_group@blacksheep.org; Mon, 03 May 2010 13:12:33 +0100 Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf3418.me.freeserve.com (SMTP Server) with ESMTP id 712EA1C001ED for ; Mon, 3 May 2010 14:12:22 +0200 (CEST) Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf3418.me.freeserve.com (SMTP Server) with ESMTP id 639F31C001F1 for ; Mon, 3 May 2010 14:12:22 +0200 (CEST) Received: from AGB (unknown [91.110.73.163]) by mwinf3418.me.freeserve.com (SMTP Server) with SMTP id CB79C1C001ED for ; Mon, 3 May 2010 14:12:19 +0200 (CEST) X-ME-UUID: 20100503121219833.CB79C1C001ED@mwinf3418.me.freeserve.com Message-ID: <37AFF9809F894FEAB8E27CE4DE4491C1@AGB> From: "Graham" To: References: <7E3FA25571354834A324CF53C8B07FF2@AGB> <243C54244F5A43BB90D4BD0A3E9D5A2D@AGB> <5069A7E9DC9246C3B343D3CEE8395549@AGB>,

<161DA56CE5DE4D6D9A7582A4C96B7473@AGB> <345F37174F2F42DBA9E23494247E880F@JimPC> In-Reply-To: <345F37174F2F42DBA9E23494247E880F@JimPC> Date: Mon, 3 May 2010 13:12:19 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8089.726 X-MIMEOLE: Produced By Microsoft MimeOLE V14.0.8089.726 X-Antivirus: avast! (VPS 100503-0, 03/05/2010), Outbound message X-Antivirus-Status: Clean X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,UPPERCASE_25_50=0 Subject: Re: LF: RE: EME / 500/-1 0- 2.5 Watts per stream Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.4 required=5.0 tests=MISSING_OUTLOOK_NAME, UPPERCASE_25_50 autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d400d4bdebe0f5f33 X-AOL-IP: 193.82.116.20 Thanks' for the data Jim I think you may have the reason for the miss printing of the 500/1 mode on 500 , selective fading, from previous 'trials it showed to be very close in , even 50 Hz shift showing a drop in signal. so its possible that a % of the data was simply lost below the system noise floor ? 73 - G .. -------------------------------------------------- From: "James Moritz" Sent: Monday, May 03, 2010 1:51 AM To: Subject: Re: LF: RE: EME / 500/-1 0- 2.5 Watts per stream > Dear Graham, LF Group, > > Well, not much to choose between the two here... see the output logs for > both modes at the 2.5W level below. Some selective fading was evident, as > you can see in the attachment, where the HF mode signal (at the higher > power > 10W level around 2157utc) starts off stronger than the narrower EME > signal, > but the situation reverses during the 4 minutes or so transmission. But > there does not seem to be any definite advantage of one mode over the > other - both drop out from time to time during the deeper fades. Either > mode > would clearly have been viable for a QSO, which is quite impressive > considering the low power in use. > > Cheers, Jim Moritz > 73 de M0BMU > > In 62.5Hz BW "EME mode": > RX1: <22:06 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-30 > dB> > > RX1: <22:11 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-29 > dB> > > RX1: <22:16 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-28 > dB> > > RX1: <22:21 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-32 > dB> > > RX1: <22:26 UTC> <0.0 Hz> 1234567890:) 2.5 W > <-31 > dB> > > RX1: <22:31 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-30 > dB> > > RX1: <22:36 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-30 > dB> > > RX1: <22:41 UTC> <0.5 Hz> 1234567890:) > 2.5$WS[H4X>3GI7/SVU9-ZK*3 <-31 dB> > > RX1: <22:46 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-29 > dB> > > RX1: <22:51 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-28 > dB> > > RX1: <22:56 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-28 > dB> > > RX1: <23:01 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-24 > dB> > > RX1: <23:06 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-31 > dB> > > RX1: <23:11 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-31 > dB> > > RX1: <23:16 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-30 > dB> > > RX1: <23:21 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-26 > dB> > > RX1: <23:27 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-30 > dB> > > RX1: <23:32 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-27 > dB> > > RX1: <23:37 UTC> <0.0 Hz> 5G0NBDMP4.-XIL.COM> 123G167890:) >5 W > <-35 > dB> > > RX1: <23:42 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-27 > dB> > > RX1: <23:47 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-28 > dB> > > RX1: <23:52 UTC> <0.0 Hz> _Z0 BD@HOTMAIL.CSM> 1234567890:) 2.5 W > <-32 > dB> > > RX1: <23:57 UTC> <0.5 Hz> /^X3N-@HOTMAIL.COM> 1234567890:) 2.5 W > <-29 > dB> > > RX1: <00:02 UTC> <0.5 Hz> BD@HOTMAIL.COM> 1234567890:) 2.5 W > <-31 > dB> > > RX1: <00:07 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-32 > dB> > > RX1: <00:17 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-29 > dB> > > > > In 500Hz BW "HF mode": > > RX1: <22:06 UTC> <0.0 Hz> ?)SNBD@HBTMAIL.CE)> 1234567890:) 2.5 W > <-33 > dB> > > RX1: <22:11 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-30 > dB> > > RX1: <22:16 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-24 > dB> > > RX1: <22:21 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-30 > dB> > > RX1: <22:26 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-30 > dB> > > RX1: <22:31 UTC> <0.5 Hz> 1234567890:) 2.5 W#@ > <-34 dB> > > RX1: <22:36 UTC> <0.5 Hz> ,G0NBD@HOTMAIL.COM> 1234567890:) 2.5 W > <-30 > dB> > > RX1: <22:41 UTC> <0.5 Hz> 1K5).X@4DSI\6&X_CW > <-32 > dB> > > RX1: <22:46 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-28 > dB> > > RX1: <22:51 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-28 > dB> > > RX1: <22:57 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-27 > dB> > > RX1: <23:02 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-28 > dB> > > RX1: <23:07 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-27 > dB> > > RX1: <23:12 UTC> <0.5 Hz> ,G0NBD@HOTMAIL.COM> 1234567890:) 2.5 W > <-28 > dB> > > RX1: <23:17 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-27 > dB> > > RX1: <23:22 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-28 > dB> > > RX1: <23:27 UTC> <0.0 Hz> 1234567890:) 2.5 W > <-29 > dB> > > RX1: <23:32 UTC> <0.0 Hz> 1234567890:) 2.5 W > <-28 > dB> > > RX1: <23:37 UTC> <0.5 Hz> 123\I&7890:) 2.5 W > <-28 > dB> > > RX1: <23:42 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-29 > dB> > > RX1: <23:47 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-29 > dB> > > RX1: <23:52 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-29 > dB> > > RX1: <00:02 UTC> <0.5 Hz> W-9/(5&VG: AICOM>*?YD"*KV.90:) 2.5 W <-35 > dB> > > RX1: <00:07 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-27 > dB> > > RX1: <00:17 UTC> <0.5 Hz> 1234567890:) 2.5 W > <-30 > dB> > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-mg09.r1000.mx.aol.com (mtain-mg09.r1000.mx.aol.com [172.29.96.209]) by air-df01.mail.aol.com (v129.4) with ESMTP id MAILINDF013-5ee44c014ccf1b1; Sat, 29 May 2010 13:20:15 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-mg09.r1000.mx.aol.com (Internet Inbound) with ESMTP id 0325338000155; Sat, 29 May 2010 13:20:13 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OIPfc-0000Wb-2r for rs_out_1@blacksheep.org; Sat, 29 May 2010 18:18:00 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OIPfY-0000U4-A2 for rsgb_lf_group@blacksheep.org; Sat, 29 May 2010 18:17:56 +0100 Received: from outbound-jn.vgs.untd.com ([64.136.55.20]) by relay1.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1OIPfU-0005uK-D0 for rsgb_lf_group@blacksheep.org; Sat, 29 May 2010 18:17:56 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=juno.com; s=alpha; t=1275153464; bh=47DEQpj8HBSa+/TImW+5JCeuQeRkm5NMpJWZG3hSuFU=; l=0; h=To:Cc:Date:Subject:Message-ID:Content-Type:From; b=HisVtLuUudoi0oeaqG8gyARUTKyR7da+dyZXPi5iALOPaSEbKz9OVgqjp0xUzVymM f9cyruTuqvKSlZfCOGXitiC64bp2HbUkObm7E+13D8e/6cQ68+SeYcW1ACmKs9HXiF erW7+NtbCw5sBuYglyCsaOkYKYGaq0RJHYRq6Khg= X-UOL-TAGLINE: true Received: from outbound-jn.vgs.untd.com (localhost [127.0.0.1]) by m03.vgs.untd.com with SMTP id AABGACVAZA3BMFB2 for (sender ); Sat, 29 May 2010 10:17:11 -0700 (PDT) X-UNTD-OriginStamp: yokUgcxCbtTP7XLrpefewEDPvnB18FNJNIgn3NY30mUn9R4zFRXBcA== Received: (from riese-k3djc@juno.com) by m03.vgs.untd.com (jqueuemail) id QE474KXU; Sat, 29 May 2010 10:16:30 PDT To: rsgb_lf_group@blacksheep.org Cc: rsgb_lf_group@blacksheep.org Date: Sat, 29 May 2010 13:05:34 -0400 Message-ID: <20100529.131558.1388.0.riese-k3djc@juno.com> X-Mailer: Juno 5.0.49 MIME-Version: 1.0 From: riese-k3djc@juno.com X-UNTD-BodySize: 629 X-ContentStamp: 8:4:48421877 X-MAIL-INFO:52a19184594130c9b51001152010e5c0 X-UNTD-Peer-Info: 127.0.0.1|localhost|outbound-jn.vgs.untd.com|riese-k3djc@juno.com X-Spam-Score: 0.6 (/) X-Spam-Report: autolearn=disabled,NO_REAL_NAME=0.55,UNPARSEABLE_RELAY=0.001 Subject: Re: LF: 8.97kc - TV transformer info needed Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.3 required=5.0 tests=NO_REAL_NAME autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G X-AOL-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-m264.2 ; domain : juno.com DKIM : pass x-aol-sid: 3039ac1d60d14c014ccd283a X-AOL-IP: 193.82.116.20 mike think Fly Back if I can locate one I have will have to do some playing around actually I believe an old CRT Pc moniter has one as well Bob On Sat, 29 May 2010 10:03:03 -0500 "Mike.WE0H" writes: > Can someone explain what the TV transformer is and a picture so I can > > find one here? I was doing testing last night with a DDS VFO into a > > microwave oven power transformer and got the voltage up enough to > radiate a 8kc signal. I would like to try a TV transformer if I > could > figure out what it is and what I need to be digging in my junk box > for. > > Thank you, > Mike > WE0H > > > ____________________________________________________________ Learn this Trick Try this one diet plan to lose weight before summer! http://thirdpartyoffers.juno.com/TGL3141/4c014c1835ea3df24m03vuc From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-db04.r1000.mx.aol.com (mtain-db04.r1000.mx.aol.com [172.29.64.88]) by air-mc08.mail.aol.com (v129.4) with ESMTP id MAILINMC084-a98e4bdfdaca168; Tue, 04 May 2010 04:28:58 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-db04.r1000.mx.aol.com (Internet Inbound) with ESMTP id 029F538000056; Tue, 4 May 2010 04:28:56 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1O9DTs-0004hk-UR for rs_out_1@blacksheep.org; Tue, 04 May 2010 09:27:52 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1O9DTs-0004hb-Iu for rsgb_lf_group@blacksheep.org; Tue, 04 May 2010 09:27:52 +0100 Received: from relay.uni-heidelberg.de ([129.206.100.212]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1O9DTr-0006YY-C5 for rsgb_lf_group@blacksheep.org; Tue, 04 May 2010 09:27:52 +0100 Received: from freitag.iup.uni-heidelberg.de (freitag.iup.uni-heidelberg.de [129.206.29.204]) by relay.uni-heidelberg.de (8.14.1/8.14.1) with ESMTP id o448Rdwc016043 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Tue, 4 May 2010 10:27:39 +0200 Received: from [129.206.29.99] (pc99.iup.uni-heidelberg.de [129.206.29.99]) by freitag.iup.uni-heidelberg.de (8.12.11.20060308/8.11.2) with ESMTP id o448RoQP018068 for ; Tue, 4 May 2010 10:27:50 +0200 Message-ID: <4BDFDAF0.2000704@iup.uni-heidelberg.de> Date: Tue, 04 May 2010 10:29:36 +0200 From: =?UTF-8?B?U3RlZmFuIFNjaMOkZmVy?= User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <995528425.20100502225055@mterrier.net>, <98EBD57CEAA64114B2494317506FB636@AGB> <9840123.3797104.1272960242231.JavaMail.fmail@mwmweb080> In-Reply-To: <9840123.3797104.1272960242231.JavaMail.fmail@mwmweb080> X-MIME-Autoconverted: from 8bit to quoted-printable by relay.uni-heidelberg.de id o448Rdwc016043 X-Spam-Score: 1.4 (+) X-Spam-Report: autolearn=disabled,RATWARE_GECKO_BUILD=1.426 Subject: Re: LF: BF862 for Stefans 9kHz active antenna Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d40584bdfdac87b87 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) Hello Horst, http://de.rs-online.com/web/search/searchBrowseAction.html?method=3Dsearch= Products&searchTerm=3Dbf862 But you need to work in a business or know someone who works there to=20 order. (Kein Verkauf (seit 2010) mehr an Privatkunden) 73, Stefan/DK7FC Am 04.05.2010 10:04, schrieb Horst St=C3=B6cker: > Hello Stefan, LF, > > where did you get the BF862? > > I tried online at Reichelt, Conrad, Segor, Schukat, B=C3=BCrklin and Fun= kamateur without success. > > vy73 Horst DO1KHS/DI2AN > ___________________________________________________________ > GRATIS: Movie-Flat mit =C3=BCber 300 Top-Videos. F=C3=BCr WEB.DE Nutzer > dauerhaft kostenlos! Jetzt freischalten unter http://movieflat.web.de > > =20 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-mi08.r1000.mx.aol.com (mtain-mi08.r1000.mail.aol.com [172.21.131.166]) by air-mc05.mail.aol.com (v129.4) with ESMTP id MAILINMC052-a9684bef00e9149; Sat, 15 May 2010 16:15:37 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-mi08.r1000.mx.aol.com (Internet Inbound) with ESMTP id 0721B380000E9; Sat, 15 May 2010 16:15:34 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ODNkR-0001M2-TO for rs_out_1@blacksheep.org; Sat, 15 May 2010 21:14:11 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ODNkR-0001Lt-5w for rsgb_lf_group@blacksheep.org; Sat, 15 May 2010 21:14:11 +0100 Received: from imr-ma01.mx.aol.com ([64.12.206.39]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1ODNkO-0005xO-CV for rsgb_lf_group@blacksheep.org; Sat, 15 May 2010 21:14:11 +0100 Received: from mtaout-da06.r1000.mx.aol.com (mtaout-da06.r1000.mx.aol.com [172.29.51.134]) by imr-ma01.mx.aol.com (8.14.1/8.14.1) with ESMTP id o4FKDmMI031822 for ; Sat, 15 May 2010 16:13:48 -0400 Received: from Black (g229124165.adsl.alicedsl.de [92.229.124.165]) by mtaout-da06.r1000.mx.aol.com (MUA/Third Party Client Interface) with ESMTPA id EA553E000094 for ; Sat, 15 May 2010 16:13:46 -0400 (EDT) Message-ID: <3FBB97915141480A97199E6435E6DD83@Black> From: "Markus Vester" To: Date: Sat, 15 May 2010 22:13:27 +0200 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6000.16480 X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6000.16669 X-AOL-VSS-INFO: 5400.1158/58631 X-AOL-VSS-CODE: clean X-Spam-Score: 0.5 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001,PLING_PLING=0.461 Subject: LF: Re: URGETNT!!!! PLZ REPLY Re: DK7FCs 5th VLF experiment... Content-Type: multipart/mixed; boundary="----=_NextPart_000_0024_01CAF47B.D8148A60" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.0 required=5.0 tests=HTML_40_50,HTML_MESSAGE, LINES_OF_YELLING,LINES_OF_YELLING_2,MISSING_OUTLOOK_NAME,PLING_PLING autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G X-AOL-VSS-INFO: 5400.1158/58631 X-AOL-VSS-CODE: clean x-aol-sid: 3039400cded04bef00e61cd9 X-AOL-IP: 193.82.116.20 ------=_NextPart_000_0024_01CAF47B.D8148A60 Content-Type: multipart/alternative; boundary="----=_NextPart_001_0025_01CAF47B.D814D880" ------=_NextPart_001_0025_01CAF47B.D814D880 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Dear George, here is a resend of an earlier post. It contains the 0.95 mHz FFT sett= ings currently used for my grabber, with samplerate tracking to GBZ 19= .58 kHz. Good luck, Markus (DF6NM) Original Message -----=20 From: George Vastianos=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Saturday, May 15, 2010 9:11 PM Subject: LF: URGETNT!!!! PLZ REPLY Re: DK7FCs 5th VLF experiment... hi stefan iam thinking to setup the loop and receiver tomorrow moring on the roo= f and leave it unattended to grab.... and leave i will return back home about 5 pm I TESTED SOME CONFIGURATION FILES FOR SPECTRUMLAB ...BUT I DONT THINK= I HAVE THE CORRECT FFT SETTINGS CAN YOU PLEASE SEND ME A SETTINGS FILE SUITABLE FOR YOUR TRANSMISSION?= ???? PLEASE ANSWER!!! 73 SV8GXC =20 ----- Original Message -----=20 From: Markus Vester=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Thursday, April 22, 2010 7:34 PM Subject: Re: LF: vlf stuff Dear Laurence, VLF Dreamers, those settings will require some adaptions, regarding samplerate etc.= (see posting below). Attached is the current setup of my VLF grabber= with 0.95 mHz resolution.=20 SpecLab 2.75 b08 contains a new samplerate tracking algorithm based on= the strong and precise VLF MSK transmitters. It is very easy to set= up, and avoids the difficulty to identify the central line in the Alp= ha spectrum. I am currently tracking GBZ 19.58 kHz here. To use the st= ateside transmitters (NAA, NML) at 24 kHz and above, you will have to= switch from 48 to 96 kHz samplerate. BTW - What is your distance to Paul W1VLF? Kind regards, MArkus (DF6NM) ----- Original Message -----=20 From: Laurence KL1X=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Thursday, April 22, 2010 6:56 PM Subject: RE: LF: vlf stuff Using Spectrum labs with some new set ups - see attachments - File,= Load settings, then select one of the above youve pasted previously= - the other piece of software is the SAQ RX http://web.telia.com/~u3= 3233109/saqrx/saqrx.html =20 cheers ----- Original Message -----=20 From: Markus Vester=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Saturday, April 03, 2010 10:03 AM Subject: VLF: SpecLab settings Dear Wolfgang, Daniele, LF, thanks Wolfgang for the hint about turning off periodic actions. There are actually three configuration files in http://www.mydarc.de/df6nm/vlf/9kHz_Grabber_SpecLab_configurations.= zip=20 so some explanation is probably on order: - 9kHzWide.usr has 0 to 24 kHz on the top and around 9 kHz at the= bottom, with 1.46 Hz FFT resolution and 1 second scrolling. It's mean= t to give a quick overview of the band, eg. to optimize antenna coupli= ng. You shold see the big MSK signals, and three lines of tiny dots= on the Alpha frequencies. But this setting is too fast to see a weak= signal. - 9kHz_slow2_white is the original 15.3 mHz setting, with the 8.97= kHz area at the top and 11.905 at the bottom. It scrolls at 10 second= s, and you can read QRSS 60 or slower keying. Beware there is an offse= t (0.30 Hz and 0.0397 Hz) on the frequency scales, which I had used to= correct for my "white" notebook's samplerate offset. But this will ce= rtainly be different on other machines, so I would recommend to reset= those offsets to zero, and use the samplerate calibration entry in Sp= ecLab's audio settings tab instead. - 9kHz_4mHz.usr is the one currently displayed on the lower part of= my grabber. It has a more sensitive 3.8 mHz FFT and 1 minute scrollin= g. Again, you should delete the Freq1 and Freq2 offsets and enter your= samplerate. Good luck to Stefan and all, Markus ------=_NextPart_001_0025_01CAF47B.D814D880 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Dear George,

here is a resend of an earlier post. It= contains the=20 0.95 mHz FFT settings currently used for my grabber,=20 with samplerate tracking to GBZ 19.58 kHz.

Good luck,

Markus (DF6NM)

Original Message -----

From: George=20 Vastianos

To: rsgb_lf_gr= oup@blacksheep.org=20

Sent: Saturday, May 15, 2010 9:= 11 PM

Subject: LF: URGETNT!!!! PLZ RE= PLY Re:=20 DK7FCs 5th VLF experiment...

hi stefan

iam thinking to setup the loop and re= ceiver=20 tomorrow moring on the roof and leave it unattended to grab.... and=20 leave

i will return back home about 5 pm

I TESTED SOME CONFIGURATION FILES FOR= SPECTRUMLAB=20 ...BUT I DONT THINK I HAVE THE CORRECT FFT SETTINGS

CAN YOU PLEASE SEND ME A SETTING= S FILE=20 SUITABLE FOR YOUR TRANSMISSION?????

PLEASE ANSWER!!!

SV8GXC

----- Original Message -----=20

From: M= arkus Vester=20

To: rsgb_lf_group@blacksheep.org=20

Sent: Thursday, April 22, 2010 7:34 PM

Subject: Re: LF: vlf stuff

Dear Laurence, VLF Dreamers,

those settings will require some adaption= s, regarding=20 samplerate etc. (see posting below). Attache= d is the=20 current setup of my VLF grabber with 0.95 mHz resolution. =

SpecLab 2.75 b08 contains a new samplerat= e=20 tracking algorithm based on the strong and precise VLF=20 MSK transmitters. It is very easy to set up, and avoids the= =20 difficulty to identify the central line in the Alpha spectrum.&nb= sp;I am=20 currently tracking GBZ 19.58 kHz here. To use the stateside trans= mitters=20 (NAA, NML) at 24 kHz and above, you will have to switch from 48 to 96= kHz=20 samplerate.

BTW - What is your distance to Paul W1VLF?

Kind regards,

MArkus (DF6NM)

----- Original Message -----

From:=20 Laurence KL1X

To: rsgb_l= f_group@blacksheep.org=20

Sent: Thursday, April 22, 201= 0 6:56=20 PM

Subject: RE: LF: vlf stuff

Using Spectrum labs with some new set ups - see attachment= s -=20 File, Load settings, then select one of the above youve pasted= =20 previously - the other piece of software is the SAQ RX http://web= .telia.com/~u33233109/saqrx/saqrx.html

cheers

----- Original Message -----

From:=20 Markus=20 Vester

To: rsgb_lf_gr= oup@blacksheep.org=20

Sent: Saturday, April 03, 201= 0 10:03=20 AM

Subject: VLF: SpecLab setting= s

Dear Wolfgang, Daniele, LF,

thanks Wolfgang for the hint about= turning off=20 periodic actions.

There are actually three confi= guration=20 files in

http://www.mydar= c.de/df6nm/vlf/9kHz_Grabber_SpecLab_configurations.zip

so some explanation is probably on= =20 order:

- 9kHzWide.usr has 0 to= 24 kHz on the=20 top and around 9 kHz at the bottom, with 1.46 Hz FFT resolution= and 1=20 second scrolling. It's meant to give a quick overview of the band,= eg.=20 to optimize antenna coupling. You shold see the big MSK si= gnals,=20 and three lines of tiny dots on the Alpha frequencies. Bu= t this=20 setting is too fast to see a weak signal.

- 9kHz_slow2_white is the ori= ginal 15.3 mHz=20 setting, with the 8.97 kHz area at the top and 11.905 at the bottom.= It=20 scrolls at 10 seconds, and you can read QRSS 60 or slower keying. Be= ware there=20 is an offset (0.30 Hz and 0.0397 Hz) on the frequency scal= es, which=20 I had used to correct for my "white" notebook's samplerate offset.&n= bsp;But=20 this will certainly be different on other machines, so I would= =20 recommend to reset those offsets to zero, and use the samplerat= e=20 calibration entry in SpecLab's audio settings tab instead.

- 9kHz_4mHz.usr is the= =20 one currently displayed on the lower part of my grabber. It has= a more=20 sensitive 3.8 mHz FFT and 1 minute scrolling. Again, you should dele= te the=20 Freq1 and Freq2 offsets and enter your samplerate.

Good luck to Stefan and all,=

Markus

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BrAMzDKAZQDLAJYBLAOzDGAZwDKAZQDLwCwDWAawDGAZwDIwywCWASwDWAawDMwygGUAywCW ASwDswxgGcAygGUAy8AsRQWY+Yj08xFVKEeT23J0uJylmbU0xYiCaBdku6DahTTPczi/3uRp /A8pY+S2Xo2aibQX0812uf56Us/jv+8oVnpJCzrIcJVXLouQ03HZLOK1lFWeu6v2tikRTSwd pWm7cnJb3662VV5XaU7m9VJashlVd+X0SIbXf9LNxTqdNaqmMpKqtOcKyy02E4zlZ2fTw8kr CJ07odUCWjiiXxtKT0vE0nwym51M1p/r9IvaqdhK3Ev5s9af6qIgSpEV5PdIU5jSbJW7S7f0 7Tf0UzNtMW7522/oN4tKDrJFnjdV/2wqL879SLbo9yBS3liq+TYdvVmt6nWTZo1upP5UL64p u4xG4Xm9nUxzFrYsuJv+s5EiBSilT9u/nW7uarblSLtKrg3ptuXQpfJ+Spyaw0FjMd1uNbo+ 2Ll5u/PDzrytlH4Ri5XEiDeR7vzlxW/v2poy562AKn3umpOqe1J1TuqOI7pzznTOmc452zln O+dc5xx9lf4OUEsBAhQAFAAAAAgAcZmWPJqlw5XRIQAAe4IAABAAAAAAAAAAAQAgAAAAAAAA AFZMRl8xbUh6X01TSy5VU1JQSwUGAAAAAAEAAQA+AAAA/yEAAAAA ------=_NextPart_000_0024_01CAF47B.D8148A60-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-dd04.r1000.mx.aol.com (mtain-dd04.r1000.mx.aol.com [172.29.64.144]) by air-dd02.mail.aol.com (v129.4) with ESMTP id MAILINDD023-86584be9703d1c3; Tue, 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:references:date:message-id:subject:from:to:content-type; bh=+5Pusp2wdEzVqPK3QBWE39Z5T8Hzb+gcHUw9BBUHg2s=; b=ZLUzOlR5NPADiDF3VSSpcYuyOgv36TsZP8NIQLk82vnUiO1RpAD+ONtN98metBHp4d jFLe07nKtrAW44zg8DyYD87z5jnXqOgxi7a3HfOJZEiN+64CpvC8pAW0Xf4ptqjBpsUY tl03hKr8a6+LQb3PgCFJ0wJ/osS8tx4VoNtbE= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=fr7CJI4tUzH58atCbELiikQuMLSgZUkfHOo4PhGH6gcT2cXNT9Q4vuG0uRbrSk6Wy8 2+yaADVaZXwGgUbNpcHkPSP99QjcxCAU6i12dcsGJoH0RZwDY1TK2gloRNTGOp2nMBMX wlNNNAzCVl+1NgitS0271pZuygt67lIaxM49Y= MIME-Version: 1.0 Received: by 10.204.140.67 with SMTP id h3mr400904bku.137.1273589710337; Tue, 11 May 2010 07:55:10 -0700 (PDT) Received: by 10.204.67.68 with HTTP; Tue, 11 May 2010 07:55:10 -0700 (PDT) In-Reply-To: <28093526.109907.1273582377168.JavaMail.fmail@mwmweb078> References:

<2293BF93-1C1C-4100-A1DA-0C5A1F2241BD@hurontel.on.ca> <28093526.109907.1273582377168.JavaMail.fmail@mwmweb078> Date: Tue, 11 May 2010 15:55:10 +0100 Message-ID: From: Roger Lapthorn To: rsgb_lf_group@blacksheep.org DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: Re: LF: Re: Sub-9kHz walkabout tests Content-Type: multipart/alternative; boundary=0015174c1434463745048652b6b9 X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_20_30,HTML_MESSAGE autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G X-AOL-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-m288.1 ; domain : gmail.com DKIM : pass x-aol-sid: 3039ac1d40904be9703b43f9 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) --0015174c1434463745048652b6b9 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable There are several sources in the UK for toroidal mains transformers with various step-down ratios. See for example http://www.airlinktransformers.com/toroidal-transformers.asp . These sell for =A312 to =A320 for ratings up to 160VA. They are available up to at= least 1kVA, but get expensive. What is the best former material to use to wind your own tapped step-up transformer for this sort of application and where can you get it? 73s Roger G3XBM On 11 May 2010 13:52, Horst St=F6cker wrote: > Hello J. B. > in the wellknown standard work of John Tailor G0AKN exactly this is the > method. He used a 70V transformer. > > And I started with an autio-transformer. too. Here the standard is 100V. > After I had blown my audio-transformer I changed to a troroidal transfor= mer > for 220/15V. > > Horst DO1KHS/DI2AN > > -----Urspr=FCngliche Nachricht----- > Von: John Bruce McCreath > Gesendet: 11.05.2010 14:33:08 > An: rsgb_lf_group@blacksheep.org > Betreff: Re: LF: Re: Sub-9kHz walkabout tests > > >Hello LFers, > > > >I'm finding the posts related to the "dreamers band" quite interesting= and > it's nice to read of the various methods > >that are being tried. Has anyone used a PA amplifier with a 70 volt > output (as used in stores, offices, etc) as a > >means of delivering some power into a pair of ground rods? > > > >73, J.B., VE3EAR > > > >LowFER Beacon "EAR" > >188.830 kHz. QRSS30 > > > > > > > > > > > > > ___________________________________________________________ > GRATIS: Movie-Flat mit =FCber 300 Top-Videos. F=FCr WEB.DE Nutzer > dauerhaft kostenlos! Jetzt freischalten unter http://movieflat.web.de > > --=20 http://g3xbm-qrp.blogspot.com/ http://www.g3xbm.co.uk http://www.youtube.com/user/g3xbm G3XBM GQRP 1678 ISWL G11088 --0015174c1434463745048652b6b9 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable There are several sources in the UK for toroidal mains transformers with= various step-down ratios. See for example http://www.airlinktransformers.c= om/toroidal-transformers.asp . These sell for =A312 to =A320 for ratin= gs up to 160VA.=A0 They are available up to at least 1kVA, but get expensi= ve.

What is the best former material to use to wind your own tapped step-u= p transformer for this sort of application and where can you get it?
73s
Roger G3XBM

On 11 May= 2010 13:52, Horst St=F6cker <horst.stoecker@web.de> wrote:

Hello J. B.
in the wellknown standard work of John Tailor G0AKN exactly this is the me= thod. He used a 70V transformer.

And I started with an autio-transformer. too. Here the standard is 100V.= After I had blown my audio-transformer I changed to a troroidal transform= er for 220/15V.

Horst DO1KHS/DI2AN

-----Urspr=FCngliche Nachricht-----
Von: John Bruce McCreath <weaz= le@hurontel.on.ca>
Gesendet: 11.05.2010 14:33:08
An: rsgb_lf_group@blackshe= ep.org
Betreff: Re: LF: Re: Sub-9kHz walkabout tests

>Hello LFers,
>
>I'm finding the posts related to the "dreamers band" qui= te interesting and it's nice to read of the various methods
>that are being tried. =A0Has anyone used a PA amplifier with a 70 volt= output (as used in stores, offices, etc) as a
>means of delivering some power into a pair of ground rods?
>
>73, J.B., VE3EAR
>
>LowFER Beacon "EAR"
>188.830 kHz. QRSS30
>
>
>
>
>
>

___________________________________________________________ GRATIS: Movie-Flat mit =FCber 300 Top-Videos. F=FCr WEB.DE Nutzer
dauerhaft kostenlos! Jetzt freischalten unter http://movieflat.web.de

--
http://g3xbm-qrp.blogspot.com/
http://www.g3xbm.co.uk
http://www.youtube.com/user/g3xbm
G3XBM =A0 =A0GQRP 1678 =A0 =A0 =A0ISWL G11088
--0015174c1434463745048652b6b9-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-mh06.r1000.mx.aol.com (mtain-mh06.r1000.mx.aol.com [172.29.96.218]) by air-mc05.mail.aol.com (v129.4) with ESMTP id MAILINMC052-a9684be354b22be; Thu, 06 May 2010 19:45:54 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-mh06.r1000.mx.aol.com (Internet Inbound) with ESMTP id 5C0503800011E; Thu, 6 May 2010 19:45:53 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OAAjU-0000Su-P7 for rs_out_1@blacksheep.org; Fri, 07 May 2010 00:43:56 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OAAjU-0000Sl-3I for rsgb_lf_group@blacksheep.org; Fri, 07 May 2010 00:43:56 +0100 Received: from smtp5.freeserve.com ([193.252.22.151] helo=smtp6.freeserve.com) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OAAjS-00060S-CV for rsgb_lf_group@blacksheep.org; Fri, 07 May 2010 00:43:56 +0100 Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf3503.me.freeserve.com (SMTP Server) with ESMTP id 63B287000084 for ; Fri, 7 May 2010 01:43:48 +0200 (CEST) Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf3503.me.freeserve.com (SMTP Server) with ESMTP id 572627000086 for ; Fri, 7 May 2010 01:43:48 +0200 (CEST) Received: from AGB (unknown [91.110.73.61]) by mwinf3503.me.freeserve.com (SMTP Server) with SMTP id 257667000084 for ; Fri, 7 May 2010 01:43:48 +0200 (CEST) X-ME-UUID: 20100506234348153.257667000084@mwinf3503.me.freeserve.com Message-ID: <6008CAF436ED47C18319F7AF9D0B465D@AGB> From: "Graham" To: References: <7.0.1.0.1.20100506101803.01b196a8@xtra.co.nz> In-Reply-To: <7.0.1.0.1.20100506101803.01b196a8@xtra.co.nz> Date: Fri, 7 May 2010 00:43:47 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8089.726 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8089.726 X-Antivirus: avast! (VPS 100506-1, 06/05/2010), Outbound message X-Antivirus-Status: Clean X-Spam-Score: 1.5 (+) X-Spam-Report: autolearn=disabled,SUBJECT_ENCODED_TWICE=1.543 Subject: =?UTF-8?Q?Re:_LF:_500_Permit_emission=C3=A2=E2=82=AC=E2=84=A2s_?= =?UTF-8?Q?__bandwidth=3F_EU_and_Global_=3F=3F?= Content-Type: text/plain; format=flowed; charset="UTF-8"; reply-type=response Content-Transfer-Encoding: quoted-printable X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.1 required=5.0 tests=MISSING_OUTLOOK_NAME autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d60da4be354b10abd X-AOL-IP: 193.82.116.20 Thanks for the info Kevin Looks like you 'ok' with 200 hi tnx G . -------------------------------------------------- From: "Brenda Hayes" Sent: Wednesday, May 05, 2010 11:25 PM To: Subject: Re: LF: 500 Permit emission=C3=A2=E2=82=AC=E2=84=A2s bandwi= dth? EU and Global ?? > > > Hello Graham, > > Our current temporary New Zealand allocation 505-515 kHz. specifies= a=20 > maximum bandwidth of 200Hz. > Hopefully we will improve on this with time. > > Kevin ZL4MD > >>Can any one indicated what is the permitted =C3=A2=E2=82=AC=CB=9C= telegraphy=C3=A2=E2=82=AC=E2=84=A2 bandwidth=20 >>of the various =C3=A2=E2=82=AC=CB=9Cnew=C3=A2=E2=82=AC=E2=84=A2 500K= Hz licences or special permits issued=20 >>round the EU and now the rest of the Globe ? >> >> >> >>I have the impression that 100 Hz is the maximum =C3=A2=E2=82=AC=CB= =9Ctelegraphy=C3=A2=E2=82=AC=E2=84=A2=20 >>transmission bandwidth, in some cases, eg , Belgium at 100 Hz . Oth= ers=20 >>appear to be some what wider or not defined ?. >> >> >> >>Norway is CW only ? what is the Dutch allocation ? Southern Irel= and ?=20 >>... etc >> >> >> >>Are Beacons defined by mode or bandwidth ? >> >> >> >>Tnx =E2=80=93 Graham >> >>G0NBD >> >> >> >>(I use the word =C3=A2=E2=82=AC=CB=9Ctelegraphy=C3=A2=E2=82=AC=E2= =84=A2 as defined by the ITU R V.662-3 ,=20 >>please no reference to key clicks ! ) >> > > > > >=20 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-me01.r1000.mx.aol.com (mtain-me01.r1000.mx.aol.com [172.29.96.137]) by air-md04.mail.aol.com (v129.4) with ESMTP id MAILINMD042-8b814beb0b8011; Wed, 12 May 2010 16:11:44 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-me01.r1000.mx.aol.com (Internet Inbound) with ESMTP id 2A85938000166; Wed, 12 May 2010 16:11:43 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OCIGM-0004b7-5l for rs_out_1@blacksheep.org; Wed, 12 May 2010 21:10:38 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OCIGJ-0004ZX-JT for rsgb_lf_group@blacksheep.org; Wed, 12 May 2010 21:10:35 +0100 Received: from blu0-omc1-s12.blu0.hotmail.com ([65.55.116.23]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OCIGH-0002a0-3r for rsgb_lf_group@blacksheep.org; Wed, 12 May 2010 21:10:35 +0100 Received: from BLU146-W22 ([65.55.116.9]) by blu0-omc1-s12.blu0.hotmail.com with Microsoft SMTPSVC(6.0.3790.4675); Wed, 12 May 2010 13:10:26 -0700 Message-ID: X-Originating-IP: [138.32.32.166] From: Laurence KL1X To: Date: Wed, 12 May 2010 12:10:25 -0800 Importance: Normal In-Reply-To: <003501caf1fd$9d39a0e0$0401a8c0@xphd97xgq27nyf> References: <003501caf1fd$9d39a0e0$0401a8c0@xphd97xgq27nyf> MIME-Version: 1.0 X-OriginalArrivalTime: 12 May 2010 20:10:26.0011 (UTC) FILETIME=[290512B0:01CAF20F] X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Content-Type: multipart/alternative; boundary="_343dc619-09eb-47a4-afd3-681684dc8f52_" Subject: RE: LF: Dreamer RX X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.5 required=5.0 tests=FORGED_HOTMAIL_RCVD,HTML_20_30, HTML_MESSAGE autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d60894beb0b7f5d3b X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) --_343dc619-09eb-47a4-afd3-681684dc8f52_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Im waiting for a day when its safe to stand in an open field and not becom= e part of a damped tuned circuit! =20 But Im happy with my 9Khz rx system here in Oklahoma and Ill have one set= up in Alaska hopefully in a few weeks... =20 Laurence KL 1 X/5 =20 From: g3kevmal@talktalk.net To: rsgb_lf_group@blacksheep.org Date: Wed, 12 May 2010 19:04:49 +0100 Subject: LF: Dreamer RX LF/MF How many have a RX capable of working efficiently on 9 kHz, proper antenna= etc. Even on the higher LF/MF bands the weakness seems to be a good RX SY= STEM. Something better than a probe, small loop is preferable especially on 9 kH= z To date in the UK the uptake dreamers seem minimal, how many are actually= listening, and how many NOV'S have been either issued applied for? =20 G3KEV =20 =20 _________________________________________________________________ Hotmail has tools for the New Busy. Search, chat and e-mail from your inbo= x. http://www.windowslive.com/campaign/thenewbusy?ocid=3DPID28326::T:WLMTAGL:= ON:WL:en-US:WM_HMP:042010_1=3D --_343dc619-09eb-47a4-afd3-681684dc8f52_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Im waiting for a day when its safe to stand in an open field and not becom= e part of a damped tuned circuit!

But Im happy with my 9Khz rx system here in Oklahoma and Ill have on= e set up in Alaska hopefully in a few weeks...

Laurence KL 1 X/5

From: g3kevmal@talktalk.net
To: rsgb_lf_group@blacksheep.org
Date:= Wed, 12 May 2010 19:04:49 +0100
Subject: LF: Dreamer RX

LF/MF

How many have a RX capable of working eff= iciently on 9 kHz, proper antenna etc. Even on the higher LF/MF bands the= weakness seems to be a good RX SYSTEM.

Something better than a probe, small loop= is preferable especially on 9 kHz

To date in the UK the uptake dreame= rs seem minimal, how many are actually listening, and how many NOV'S have= been either issued applied for?

G3KEV

Hotmail has tools for the New Busy. Search, chat and e-mail= from your inbox. = Learn more. =3D --_343dc619-09eb-47a4-afd3-681684dc8f52_-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-dg03.r1000.mx.aol.com (mtain-dg03.r1000.mx.aol.com [172.29.65.11]) by air-ma08.mail.aol.com (v129.4) with ESMTP id MAILINMA084-b5334bee8ec0271; Sat, 15 May 2010 08:08:33 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-dg03.r1000.mx.aol.com (Internet Inbound) with ESMTP id 79CE338000183; Sat, 15 May 2010 08:08:31 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ODG9T-0004lC-ME for rs_out_1@blacksheep.org; Sat, 15 May 2010 13:07:31 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ODG9T-0004l3-8v for rsgb_lf_group@blacksheep.org; Sat, 15 May 2010 13:07:31 +0100 Received: from relay.uni-heidelberg.de ([129.206.100.212]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1ODG9S-00054c-I5 for rsgb_lf_group@blacksheep.org; Sat, 15 May 2010 13:07:31 +0100 Received: from freitag.iup.uni-heidelberg.de (freitag.iup.uni-heidelberg.de [129.206.29.204]) by relay.uni-heidelberg.de (8.14.1/8.14.1) with ESMTP id o4FC7GDA018206 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sat, 15 May 2010 14:07:16 +0200 Received: from [129.206.29.99] (pc99.iup.uni-heidelberg.de [129.206.29.99]) by freitag.iup.uni-heidelberg.de (8.12.11.20060308/8.11.2) with ESMTP id o4FC7T3R008209 for ; Sat, 15 May 2010 14:07:29 +0200 Message-ID: <4BEE8E75.3050506@iup.uni-heidelberg.de> Date: Sat, 15 May 2010 14:07:17 +0200 From: =?ISO-8859-1?Q?Stefan_Sch=E4fer?= User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <002701caf394$44cbd980$0401a8c0@xphd97xgq27nyf> <4BEE8B1B.502@iup.uni-heidelberg.de> In-Reply-To: <4BEE8B1B.502@iup.uni-heidelberg.de> X-Spam-Score: 1.4 (+) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001,RATWARE_GECKO_BUILD=1.426 Subject: Re: LF: ref LD30 Content-Type: multipart/alternative; boundary="------------030205060400080406040408" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.4 required=5.0 tests=HTML_30_40,HTML_MESSAGE, HTML_TITLE_EMPTY autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d410b4bee8ebf0cd3 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) --------------030205060400080406040408 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable X-MIME-Autoconverted: from 8bit to quoted-printable by relay.uni-heidelberg.de id o4FC7GDA018206 ...means L(9kHz) =3D L(137kHz)*232 Am 15.05.2010 13:52, schrieb Stefan Sch=E4fer: > Mal, > > I assume you know your antenna capacitance so you can easily calculate= =20 > your needed inductance. Or, if you know your L for 137kHz, it will be=20 > about (137/9)^2 at 9 kHz! > > Stefan/DK7FC > > > Am 14.05.2010 20:35, schrieb mal hamilton: >> Well, I am getting 15v sine wave into a 50 ohm DL with the LD30,=20 >> this looks promising. All I need now is a 500W audio amp suitably=20 >> matched into 50 ohms. >> I prefer to keep a standard 50 ohm system for measuring purposesd. >> or >> I could change the 15v to sq wave and build a class D fet amp, maybe=20 >> a better approach. >> If I proceed the Ant system would consist of 3 x inv L antennas in=20 >> parallel, height about 100 ft and each one about 500 ft horizontal. >> Will have to calculate the loading coil L maybe less than 1 H with=20 >> some luck >> This is just a proposal at present >> de mal/g3kev --------------030205060400080406040408 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit ...means L(9kHz) = L(137kHz)*232

Am 15.05.2010 13:52, schrieb Stefan Schäfer:

Mal,

I assume you know your antenna capacitance so you can easily calculate your needed inductance. Or, if you know your L for 137kHz, it will be about (137/9)^2 at 9 kHz!

Stefan/DK7FC

Am 14.05.2010 20:35, schrieb mal hamilton:

Well, I am getting 15v sine wave into a 50 ohm DL with the LD30, this looks promising. All I need now is a 500W audio amp suitably matched into 50 ohms.

I prefer to keep a standard 50 ohm system for measuring purposesd.

or

I could change the 15v to sq wave and build a class D fet amp, maybe a better approach.

If I proceed the Ant system would consist of 3 x inv L antennas in parallel, height about 100 ft and each one about 500 ft horizontal.

Will have to calculate the loading coil L maybe less than 1 H with some luck

This is just a proposal at present

de mal/g3kev

--------------030205060400080406040408-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-dj08.r1000.mx.aol.com (mtain-dj08.r1000.mail.aol.com [172.19.187.144]) by air-ma09.mail.aol.com (v129.4) with ESMTP id MAILINMA092-b5354bf99ad57e; Sun, 23 May 2010 17:15:01 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-dj08.r1000.mx.aol.com (Internet Inbound) with ESMTP id D098838000090; Sun, 23 May 2010 17:14:59 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OGIUU-0001Hu-Cg for rs_out_1@blacksheep.org; Sun, 23 May 2010 22:13:46 +0100 Received: from [83.244.159.144] (helo=relay3.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OGIUO-0001DH-TB for rsgb_lf_group@blacksheep.org; Sun, 23 May 2010 22:13:40 +0100 Received: from mail-bw0-f43.google.com ([209.85.214.43]) by relay3.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OGIUK-0007Fu-7n for rsgb_lf_group@blacksheep.org; Sun, 23 May 2010 22:13:40 +0100 Received: by bwz16 with SMTP id 16so670770bwz.16 for ; Sun, 23 May 2010 14:13:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:content-type; bh=Dw5TqVwtC9KAtclwzNLtrD0kdqHkOSi3Lutzro5PJfI=; b=QUPdNIbYRg9ErNORUvptqVBJ6a8PZh9H0AmhS+DGZ4yz2K/Xabt40T134ZQXXGl1Gw nsxEqBqCmayJyDS5CaTtz1hJEZadRPdFJrdPM/lG/FN6tmA/UFU7sdOUrVJF8XaztBpN 0q7zIztDP43nIhPJGJxphkOwUZsCuNvGxtDjg= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=EUOsL5g4SCwB7ONpVHf6Fd4UPfYEpNeWr0QjQS+rZYEeJubaU2A4Qa2hilU3d+GZFk v87m1QrfAtP0JpwCoNbQtd9WAsHg7XG/bimw/i23SCtIMe2YWXmZ5y3NGCxEdmGYCCoI PDyiOtH+kTkESEnOWl92z99/BVdwZPODVPc3A= MIME-Version: 1.0 Received: by 10.204.174.199 with SMTP id u7mr1565236bkz.38.1274649211637; Sun, 23 May 2010 14:13:31 -0700 (PDT) Received: by 10.204.58.204 with HTTP; Sun, 23 May 2010 14:13:31 -0700 (PDT) In-Reply-To: <003601cafaa8$a46b5df0$0301a8c0@your91hoehfy9g> References: <003601cafaa8$a46b5df0$0301a8c0@your91hoehfy9g> Date: Sun, 23 May 2010 22:13:31 +0100 Message-ID: From: Roger Lapthorn To: rsgb_lf_group@blacksheep.org DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: Re: LF: NIL LF/MF Content-Type: multipart/alternative; boundary=000325554e4679672e0487496564 X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_20_30,HTML_MESSAGE autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G X-AOL-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-m276.1 ; domain : gmail.com DKIM : pass x-aol-sid: 3039cdbc9d0d4bf99ad30d44 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) --000325554e4679672e0487496564 Content-Type: text/plain; charset=ISO-8859-1 Hi Mal (et al), With temperatures in the high 20s and clear blue sky I was enjoying a BBQ in a friend's garden today, although I did do a little QRP on 6m earlier. Still experimenting on sub-9kHz (near field) and hope to do more this week. Last week I was on holiday, so only HF pedestrian portable operation from cliff tops. Jim (M0BMU) - many thanks for the circuit of the 8.97kHz direct conversion RX. 73s Roger G3XBM On 23 May 2010 19:49, mal hamilton > Not a signal in QSO mode on 600 but some lovely signals on 6 metres, best > dx worked a few minutes ago UZ5DZ on cw > mal/g3kev > > -- http://g3xbm-qrp.blogspot.com/ http://www.g3xbm.co.uk http://www.youtube.com/user/g3xbm G3XBM GQRP 1678 ISWL G11088 --000325554e4679672e0487496564 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Hi Mal (et al),

With temperatures in the high 20s and clear blue sk= y I was enjoying a BBQ in a friend's garden today, although I did do= a little QRP on 6m earlier. Still experimenting on sub-9kHz (near field)= and hope to do more this week. Last week I was on holiday, so only HF ped= estrian portable operation from cliff tops.

Jim (M0BMU) - many thanks for the circuit of the 8.97kHz direct conver= sion RX.

73s
Roger G3XBM

On 23= May 2010 19:49, mal hamilton <g3kevmal@talktalk.net>

Not a signal in QSO mode on 600 but= some lovely=20 signals on 6 metres, best dx worked a few minutes ago UZ5DZ on cw
mal/g3kev

=A0

--
http://g3xbm-qrp.blogspot.com/
http://www.g3xbm.co.uk
http://www.youtube.com/user/g3xbm
G3XBM =A0 =A0GQRP 1678 =A0 =A0 =A0ISWL G11088
--000325554e4679672e0487496564-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-de09.r1000.mx.aol.com (mtain-de09.r1000.mx.aol.com [172.29.64.209]) by air-dc01.mail.aol.com (v129.4) with ESMTP id MAILINDC011-85fd4be856a92c9; Mon, 10 May 2010 14:55:37 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-de09.r1000.mx.aol.com (Internet Inbound) with ESMTP id A034D380001B5; Mon, 10 May 2010 14:55:33 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OBY7r-0003Oy-3f for rs_out_1@blacksheep.org; Mon, 10 May 2010 19:54:47 +0100 Received: from [193.82.59.130] (helo=relay2.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OBY7q-0003Op-Mm for rsgb_lf_group@blacksheep.org; Mon, 10 May 2010 19:54:46 +0100 Received: from out1.ip02ir2.opaltelecom.net ([62.24.128.238]) by relay2.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OBY7o-00072H-KJ for rsgb_lf_group@blacksheep.org; Mon, 10 May 2010 19:54:46 +0100 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AjsTAK/y50sCYgP//2dsb2JhbACHXooAhXmGSQNxvR6FFAQ X-IronPort-AV: E=Sophos;i="4.52,363,1270422000"; d="scan'208";a="322670593" Received: from unknown (HELO your91hoehfy9g) ([2.98.3.255]) by out1.ip02ir2.opaltelecom.net with SMTP; 10 May 2010 19:53:36 +0100 Message-ID: <000b01caf072$18b16f60$0301a8c0@your91hoehfy9g> From: "mal hamilton" To: References: Date: Mon, 10 May 2010 19:53:36 +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 X-Spam-Score: 0.5 (/) X-Spam-Report: autolearn=disabled,MAILTO_TO_SPAM_ADDR=0.276,RCVD_ILLEGAL_IP=0.234 Subject: LF: Re: RE: test Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) 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=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d40d14be856a562f7 X-AOL-IP: 193.82.116.20 Dave Its also quiet on LF/MF the band acty has about fizzled out, definitely declined a while back on MF and this past few years LF is virtually non existant. HF is busy most of the time and very good at present on 18/21 Mcs for DX world wide. I am glad I am not dependent on LF/MF for acty. de mal/g3kev ----- Original Message ----- From: "Dave G3WCB" To: Sent: Monday, May 10, 2010 7:05 PM Subject: LF: RE: test > very quiet on the reflector... > > Dave G3WCB > > -----Original Message----- > From: owner-rsgb_lf_group@blacksheep.org > [mailto:owner-rsgb_lf_group@blacksheep.org]On Behalf Of > victor13@online.nl > Sent: 10 May 2010 15:35 > To: blacksheep > Subject: LF: test > > > test > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-mb08.r1000.mx.aol.com (mtain-mb08.r1000.mx.aol.com [172.29.96.28]) by air-ma04.mail.aol.com (v129.4) with ESMTP id MAILINMA042-b5154bfa3f6c8f; Mon, 24 May 2010 04:57:16 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-mb08.r1000.mx.aol.com (Internet Inbound) with ESMTP id 6CC5838000107; Mon, 24 May 2010 04:57:14 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OGTRn-0000UV-J7 for rs_out_1@blacksheep.org; Mon, 24 May 2010 09:55:43 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OGTRn-0000UM-5w for rsgb_lf_group@blacksheep.org; Mon, 24 May 2010 09:55:43 +0100 Received: from fmmailgate03.web.de ([217.72.192.234]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OGTRj-0007WT-Nt for rsgb_lf_group@blacksheep.org; Mon, 24 May 2010 09:55:43 +0100 Received: from smtp08.web.de ( [172.20.5.216]) by fmmailgate03.web.de (Postfix) with ESMTP id CCF50151EB7C6 for ; Mon, 24 May 2010 10:55:33 +0200 (CEST) Received: from [217.227.127.173] (helo=mo77) by smtp08.web.de with esmtp (WEB.DE 4.110 #4) id 1OGTRb-00082i-00 for rsgb_lf_group@blacksheep.org; Mon, 24 May 2010 10:55:31 +0200 Date: Mon, 24 May 2010 10:55:30 +0200 From: Michael Oexner X-Mailer: The Bat! (v2.12.00) Personal X-Priority: 3 (Normal) Message-ID: <676621783.20100524105530@web.de> To: rsgb_lf_group@blacksheep.org In-Reply-To: References: MIME-Version: 1.0 X-Sender: michael.oexner@web.de X-Provags-ID: V01U2FsdGVkX1+f+jEUmxIXNkx1r5qjsX76vwamRaM8WGrIt0zH HU9AFDKhkj4H38Jh7na6mrladkmGboq6kBhWI/6dfpE4nUbyMZ kT/LBFo9033/0qeAhTeg== X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: cw test Content-Type: multipart/mixed; boundary="----------67B0226292E357B" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G X-AOL-VSS-INFO: 5400.1158/58928 X-AOL-VSS-CODE: clean x-aol-sid: 3039ac1d601c4bfa3f6a2963 X-AOL-IP: 193.82.116.20 ------------67B0226292E357B Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: quoted-printable Hi Ossi, > gm lf > cw test 137000 > 73 oe5odl Very good copy of your signal - screenshot attached. --=20 vy 73 + gd DX, Michael RX: ICOM R75, SDR-IQ, Perseus Antenna: Wellbrook ALA 1530, Mini-Whip Location: Roschbach, Germany N 49=B015' E 8=B007' / Locator JN49BF ENDBH & NANDBH editor http://ndbchangeblog.blogspot.com www.lwca.org/miscdocs/oexner/NDB_info.zip ------------67B0226292E357B Content-Type: image/jpeg; name="OE5ODL.jpg" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="OE5ODL.jpg" /9j/4AAQSkZJRgABAAEAYABgAAD//gAfTEVBRCBUZWNobm9sb2dpZXMgSW5jLiBWMS4wMQD/2wCE AAgFBgcGBQgHBgcJCAgJDBQNDAsLDBgREg4UHRkeHhwZHBsgJC4nICIrIhscKDYoKy8xMzQzHyY4 PDgyPC4yMzEBCAkJDAoMFw0NFzEhHCExMTExMTExMTExMTExMTExMTExMTExMTExMTExMTExMTEx MTExMTExMTExMTExMTExMf/EAaIAAAEFAQEBAQEBAAAAAAAAAAABAgMEBQYHCAkKCwEAAwEBAQEB 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KACgAoAmZALZW7k13VI2oJj5bK5DXCIKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKAC gAoAKANLwtGsvifSYnyVe8hU4JBwXHcdKAPsz/hD9F/55Xf/AIHz/wDxdAGxaW0VnbR28AYRxjao Zyxx9SST+NAEtAH/2Q== ------------67B0226292E357B-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-dh03.r1000.mx.aol.com (mtain-dh03.r1000.mx.aol.com [172.29.65.23]) by air-mc08.mail.aol.com (v129.4) with ESMTP id MAILINMC084-a98e4c039c82294; Mon, 31 May 2010 07:24:50 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-dh03.r1000.mx.aol.com (Internet Inbound) with ESMTP id F2A7838000182; Mon, 31 May 2010 07:24:45 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OJ35F-0003aW-40 for rs_out_1@blacksheep.org; Mon, 31 May 2010 12:23:05 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OJ35E-0003aN-Jx for rsgb_lf_group@blacksheep.org; Mon, 31 May 2010 12:23:04 +0100 Received: from relay2.uni-heidelberg.de ([129.206.210.211]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OJ35C-0001Zu-Tk for rsgb_lf_group@blacksheep.org; Mon, 31 May 2010 12:23:04 +0100 Received: from freitag.iup.uni-heidelberg.de (freitag.iup.uni-heidelberg.de [129.206.29.204]) by relay2.uni-heidelberg.de (8.13.8/8.13.8) with ESMTP id o4VBMehw005675 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Mon, 31 May 2010 13:22:40 +0200 Received: from [129.206.29.99] (pc99.iup.uni-heidelberg.de [129.206.29.99]) by freitag.iup.uni-heidelberg.de (8.12.11.20060308/8.11.2) with ESMTP id o4VBN0HU019779 for ; Mon, 31 May 2010 13:23:01 +0200 Message-ID: <4C039BFA.1070206@iup.uni-heidelberg.de> Date: Mon, 31 May 2010 13:22:34 +0200 From: =?ISO-8859-1?Q?Stefan_Sch=E4fer?= User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <000a01caff29$8f7ebbf0$0401a8c0@xphd97xgq27nyf> In-Reply-To: <000a01caff29$8f7ebbf0$0401a8c0@xphd97xgq27nyf> X-Spam-Score: 1.4 (+) X-Spam-Report: autolearn=disabled,RATWARE_GECKO_BUILD=1.426 Subject: Re: LF: ALPHA Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d41174c039c7d78b5 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) The ALPHAs seem to come back! They have transmitted for a while during 10 and 11 UTC today. Currently they are ON too! In the last days they started transmitting for just a short while (some minutes) arround 9 UTC (still visable on my 2nd grabber). Maybe they had some problems with the TX? I hope, "our" nearest dreamers band reference signal comes back now :-) 73, Stefan/DK7FC From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-mi02.r1000.mx.aol.com (mtain-mi02.r1000.mail.aol.com [172.21.131.155]) by air-me02.mail.aol.com (v129.4) with ESMTP id MAILINME022-8ba54bfe8a551cf; Thu, 27 May 2010 11:05:57 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-mi02.r1000.mx.aol.com (Internet Inbound) with ESMTP id 796CF380003D9; Thu, 27 May 2010 11:05:54 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OHedN-00050F-8t for rs_out_1@blacksheep.org; Thu, 27 May 2010 16:04:33 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OHedM-000506-U5 for rsgb_lf_group@blacksheep.org; Thu, 27 May 2010 16:04:32 +0100 Received: from mail-qy0-f183.google.com ([209.85.221.183]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OHedK-0003B4-6g for rsgb_lf_group@blacksheep.org; Thu, 27 May 2010 16:04:32 +0100 Received: by qyk13 with SMTP id 13so108127qyk.1 for ; Thu, 27 May 2010 08:04:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:date:message-id :subject:from:to:content-type; bh=MV0cJJVD1qc6sZr5AnOOg9OJ9vx8lQIkvmk/MVpyMig=; b=Q+608TrDwm9SAqTNLRGLFIgcKF4VjhtKDyqFJYO8n0nwh4MCRs26KETuk9VGnSu1Eg BtcJmhDYSQAjHcaQ48XQWNVN6HRqqEqDbuWjwCLVX/igL7/k2vli8+kqiaJ14MMIx61M wfqyc+PW7PR6fJY2/1EglnkVesIFLgRdtHgQI= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=mW6kfW5eywmdL+81PhLK/4oLMfFCfc1RRDSQJ81NUswwvU2cE22OogskKbzZ6ngHz3 /sXXtKFOriLJYUFAmKoKtHj6oJYtg3CLCBrUHTglnBYaLCbrOfOIhhQxZJtUNovDG7tG rsy8kryeZ0FO+4fQ/VCNjuCJGhnh0nvcBrQbc= MIME-Version: 1.0 Received: by 10.224.88.21 with SMTP id y21mr5910779qal.217.1274972662918; Thu, 27 May 2010 08:04:22 -0700 (PDT) Received: by 10.229.38.71 with HTTP; Thu, 27 May 2010 08:04:22 -0700 (PDT) Date: Thu, 27 May 2010 11:04:22 -0400 Message-ID: From: Warren Ziegler To: rsgb_lf_group@blacksheep.org DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: LF: OT Stupid Crimals Content-Type: text/plain; charset=ISO-8859-1 X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G X-AOL-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-m267.2 ; domain : gmail.com DKIM : fail x-aol-sid: 3039400cdeca4bfe8a521582 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) Alan Potter ZL3II was busted by the NZ telecoms agency for running excessive power (3100 Watts - the NZ limit is 500W PEP). The funny part is that he was caught because he posted a video on Youtube demonstrating his 3100W setup! -- 73 Warren K2ORS WD2XGJ WD2XSH/23 WE2XEB/2 WE2XGR/1 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-mg04.r1000.mx.aol.com (mtain-mg04.r1000.mx.aol.com [172.29.96.204]) by air-me10.mail.aol.com (v129.4) with ESMTP id MAILINME103-8bc74c029fadff; Sun, 30 May 2010 13:26:06 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-mg04.r1000.mx.aol.com (Internet Inbound) with ESMTP id 0AEAE380000AE; Sun, 30 May 2010 13:26:03 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OImG7-0001J0-6a for rs_out_1@blacksheep.org; Sun, 30 May 2010 18:25:11 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OImG6-0001Ir-N0 for rsgb_lf_group@blacksheep.org; Sun, 30 May 2010 18:25:10 +0100 Received: from lnx500.hrz.tu-darmstadt.de ([130.83.156.225]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OImG1-0002iy-Ia for rsgb_lf_group@blacksheep.org; Sun, 30 May 2010 18:25:10 +0100 Received: from FILE-SERVER-HST.hst.e-technik.tu-darmstadt.de (File-Server-HST.hst.e-technik.tu-darmstadt.de [130.83.212.129]) by lnx500.hrz.tu-darmstadt.de (8.14.4/8.14.4/HRZ/PMX) with SMTP id o4UHP3uh001929 for ; Sun, 30 May 2010 19:25:03 +0200 (envelope-from schaefer@hst.tu-darmstadt.de) Received: from [127.0.0.1] (helo=File-Server-HST.hst.e-technik.tu-darmstadt.de) by FILE-SERVER-HST.hst.e-technik.tu-darmstadt.de with AVK MailGateway; for ; Sun, 30 May 2010 19:25:03 +0200 Content-class: urn:content-classes:message MIME-Version: 1.0 Date: Sun, 30 May 2010 19:25:03 +0200 Message-ID: <38A51B74B884D74083D7950AD0DD85E82A1C14@File-Server-HST.hst.e-technik.tu-darmstadt.de> X-MimeOLE: Produced By Microsoft Exchange V6.5 X-MS-Has-Attach: X-MS-TNEF-Correlator: <38A51B74B884D74083D7950AD0DD85E82A1C14@File-Server-HST.hst.e-technik.tu-darmstadt.de> Thread-Topic: LF: 8.97kc - TV transformer info needed Thread-Index: Acr/9HvN2HbliXLNRqCHW9pYvNzcCQAJZvG4 References: <20100530.082855.1608.1.riese-k3djc@juno.com> From: =?iso-8859-1?Q?Stefan_Sch=E4fer?= To: X-AVK-Virus-Check: AVB 21.85;30.05.2010 X-PMX-TU: seen v0.99a by 5.5.9.395186, Antispam-Engine: 2.7.2.376379, Antispam-Data: 2010.5.30.171214 X-PMX-RELAY: mailout X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: AW: LF: 8.97kc - TV transformer info needed Content-Type: multipart/mixed; boundary="----_=_NextPart_001_01CB001D.0A1996E2" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G X-AOL-VSS-INFO: 5400.1158/59183 X-AOL-VSS-CODE: clean x-aol-sid: 3039ac1d60cc4c029fab500b X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) ------_=_NextPart_001_01CB001D.0A1996E2 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Dear VLF, =20 In germany there is a distributor that offers such a TV transformer, of co= urse without the HV cascade, so with an AC output. I have ordered such one= (not this one of my picture i sent). There was a stamp, dated 1988, out= of the DDR (GDR) ;-) It costs just abt 7 EURO and the secondary is put in= epoxy. =20 So, generally, the TV transformers have been used at higher frequencies in= the TV so there will be no HV problems. There will just be thermal proble= ms if the output current gets to high for a longer time. =20 Remember that the ratio between voltage/frequency has it's limit for a giv= en core, so the high output voltage (anyway if with or without a load) wil= l not be the problem. Thus, the question is not "How many amperes can the= transformer stand" but "what is the maximum voltage per turn that can be= applied". This depends on the core dimensions and the core material so on= e has to check this by applying a new primary winding, say 8 turns and wat= ch the output voltage or the DC current of the PA. Change the frequency an= d check where saturation occurs. If you want a optimal winding for 8,97 kH= z, the core gets into saturation at say 8 kHz. If it occurs at 4 kHz, just= half the number of turns... The output transformer of my 300W PA used in the first experiments gets in= to saturation at about 8 kHz. I have to apply 17,94 kHz since there is a= frequency divider in the circuit to achieve an exact 50% duty cycle for= the FETs. When driving the PA at 8,97 kHz, it takes 0,15A DC current at= 13,8V. Once i have done local tests with the VFO on 8,97 kHz and have for= gotten to double the f for the PA, so i drove the transformer with 3,985= kHz (without a load). In this case, the DC current was > 3A since the cor= e was in saturation! =20 One way to achieve the maximum output voltage is to adjust the air gap bet= ween the core ferrite core parts, e.g. with a piece of paper. With that yo= u can adjust the L and resonate the antenna, or come closer to resonance.= This also changes the frequency where saturation occurs (to lower frequen= cies) so you have to adjust the primary winding after resonating or just= apply a higher input voltage ;-) =20 Wish you good luck with the TV transformers. =20 In the last days here on the reflector was much traffic on the VLF theme.= This is good entertainment. So, no one here still needs his TV any more,= right? Just take the transformer out of it, if it is old enough ;-) =20 73, Stefan/DK7FC ________________________________ Von: owner-rsgb_lf_group@blacksheep.org im Auftrag von riese-k3djc@juno.co= m Gesendet: So 30.05.2010 14:18 An: rsgb_lf_group@blacksheep.org Betreff: Re: LF: 8.97kc - TV transformer info needed I need to look around for an old tube TV for the same thing Just wondered how well a neon sign transformer would work. back in the days I used a pair of HV transformers back to back as a modulation transformer which appeared to work as well as one designed for that. so it passed good audio up to 3Khz at least I also use a standard transformer in a LF converter which works well up to 200 Khz or so. The point being would an iron core transformer work in low power tests at elf ? Bob K3DJC On Sat, 29 May 2010 21:48:48 -0500 "Mike.WE0H" writes: > Found my Zenith black & white TV chassis tonight. Got a flyback > transformer that looks like Litz wound with bees wax for potting > compound. No diodes, lots of room for the primary winding that I > need to > wind yet. Should be good to go now for some 8kc experiments. > > Thank you everyone for the advice on the transformers today. Now I > have > the correct one on my bench. > > Mike > WE0H > > > ____________________________________________________________ Get Free Email with Video Mail & Video Chat! http://www.juno.com/freeemail?refcd=3DJUTAGOUT1FREM0210 ------_=_NextPart_001_01CB001D.0A1996E2 Content-Type: application/ms-tnef; name="winmail.dat" Content-Transfer-Encoding: base64 eJ8+IgQRAQaQCAAEAAAAAAABAAEAAQeQBgAIAAAA5AQAAAAAAADoAAEIgAcAGAAAAElQTS5NaWNy b3NvZnQgTWFpbC5Ob3RlADEIAQ2ABAACAAAAAgACAAEEgAEALAAAAEFXOiBMRjogOC45N2tjIC0g VFYgdHJhbnNmb3JtZXIgaW5mbyBuZWVkZWQAvQ0BBYADAA4AAADaBwUAHgATABkAAwAAADMBASCA AwAOAAAA2gcFAB4AEwAZAAMAAAAzAQEJgAEAIQAAAERGNjc4ODBEM0FGMUFENDU4MDBGREUxRTMz NDk4NTA4ADkHAQOQBgBwGAAAOAAAAAMANgAAAAAAQAA5AOKWGQodAMsBHgA9AAEAAAAFAAAAQVc6 IAAAAAACAUcAAQAAADIAAABjPURFO2E9IDtwPUhTVDtsPUZJTEUtU0VSVkVSLUhTVC0xMDA1MzAx NzI1MDNaLTI0AAAAHgBJAAEAAAAsAAAAUmU6IExGOiA4Ljk3a2MgLSBUViB0cmFuc2Zvcm1lciBp bmZvIG5lZWRlZABAAE4AAD3zPfL/ygEeAFoAAQAAACMAAABvd25lci1yc2diX2xmX2dyb3VwQGJs 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Received: from relay2.uni-heidelberg.de ([129.206.210.211]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OCDP3-0006dZ-80 for rsgb_lf_group@blacksheep.org; Wed, 12 May 2010 15:59:19 +0100 Received: from freitag.iup.uni-heidelberg.de (freitag.iup.uni-heidelberg.de [129.206.29.204]) by relay2.uni-heidelberg.de (8.13.8/8.13.8) with ESMTP id o4CEx4dU023986 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Wed, 12 May 2010 16:59:04 +0200 Received: from [129.206.29.99] (pc99.iup.uni-heidelberg.de [129.206.29.99]) by freitag.iup.uni-heidelberg.de (8.12.11.20060308/8.11.2) with ESMTP id o4CExGp9020265 for ; Wed, 12 May 2010 16:59:16 +0200 Message-ID: <4BEAC23A.9040402@iup.uni-heidelberg.de> Date: Wed, 12 May 2010 16:59:06 +0200 From: =?ISO-8859-1?Q?Stefan_Sch=E4fer?= User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: , <28093526.109907.1273582377168.JavaMail.fmail@mwmweb078>, <4BE97E93.12009.23FC007@dave.davesergeant.com> <4BE9ABA8.5000801@iup.uni-heidelberg.de> <4BEAA568.2060507@iup.uni-heidelberg.de> <002501caf1da$fcb20490$4001a8c0@lark> In-Reply-To: <002501caf1da$fcb20490$4001a8c0@lark> X-MIME-Autoconverted: from 8bit to quoted-printable by relay2.uni-heidelberg.de id o4CEx4dU023986 X-Spam-Score: 1.4 (+) X-Spam-Report: autolearn=disabled,RATWARE_GECKO_BUILD=1.426 Subject: Re: LF: Re: 12V/300W VLF PA circuit Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d60564beac2ab7995 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) Hi Alan, The ICL7667 is a double FET driver (inverting!):=20 http://www.datasheetcatalog.org/datasheets2/14/147008_1.pdf So, if the both Qs are high, the outputs/gates are both grounded. You=20 just have to be sure that the VFO is connected before pushing PTT, as i=20 mentioned. It was rather my goal to built an easy and well working circuit without=20 to much protection circuits, than building the "perfect" PA in a 6RU 19=20 zoll Rack with a loud exhaust and 50% efficiency (like many HF amps) ;-). There has never occurred a fault with this PA yet. There is still the=20 first pair of FETs in use ;-) 73, Stefan/DK7FC Am 12.05.2010 15:42, schrieb Alan Melia: > Hi Stefan. I am not sure what the ICL7667 is but if it is a FET driver= chip > similar to the Texas TC4426 the outputs go high when the drive is remove= d. > See the 136 PAs by G3YXM and G0MRF for keying ideas.....they key the sup= ply > to the chip which is safer. > This effect accounts one of the few FETs lost to Class-E LF PAs we > experimented with. > Alan G3NYK > > ----- Original Message ----- > From: "Stefan Sch=E4fer" > To: > Sent: Wednesday, May 12, 2010 1:56 PM > Subject: VLF: 12V/300W VLF PA circuit > > > =20 >> Dear VLF, >> >> At http://www.iup.uni-heidelberg.de/schaefer_vlf/12V_300W_VLF_PA.pdf >> you can get the circuit of my 300W PA i used at all the VLF experiments= . >> The circuit is made in my well known simple hand drawing ;-) >> >> Many stns (at least 10) have recorded my 8,97 kHz signal so you know >> that the circuit is working. The efficiency is about 100%, the heat sin= k >> becomes not even hand warm during a 30 min 300W carrier. The output >> power is at least 300W CW, maybe more is possible. I haven't tested tha= t >> yet. >> >> One hint: The VFO has to run before you push PTT. Otherwise one FET is >> switching the whole time and the fuse will melt! There are several >> options that can be added to the circuit (e.g. current limiting, >> overvoltage protection, temperature regulated fan, SWR bridge...) but= i >> wanted to keep it as easy as possible. There is an optional fiber optic >> cable PTT input to totally decouple the PC from the PA. This also works >> very sufficient. >> >> This circuit uses an ferrite output transformer of unknown material. Bu= t >> it is not critical. Just try what you have, maybe with a power supply >> with current limiting. In that circuit, the current without a connected >> load is less than 150 mA (this makes it very suitable for /p operation >> as well). If you try another ferrite core, you have to check for proper >> primary turns number. If the number of turns is to less, the core will >> go into saturation (with or without a load, so check it without a load, >> just the primary winding). This can be seen either by watching the inpu= t >> DC current or by watching the Drain-Source voltage. If it is in >> saturation, the rectangular edges/slope (falling slope) becomes round. >> Something between 2x 3...5 turns may be a good value. >> In my configuration the PA works from 8...100 kHz. increasing or >> decreasing the operating frequency is another way to check if the >> primary turns are optimal. I can give more detailed infos, if wanted in >> a concrete case. >> >> The circuit handles reactive power without problems! This is the >> opposite to some audio amps ;-) Another advantage is, that the output= is >> isolated from the input. >> >> The PA works at 12V (11...14V) and can be used with batteries of course= . >> It needs the douple output frequency at the input, means you have to >> apply 17,94 kHz to get a 8,97 kHz output frequency. The input frequency >> should be rectangular with about 12Vp. >> >> Have fun and make the band alive ;-) >> >> 73, Stefan/DK7FC >> >> =20 > =20 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-dg03.r1000.mx.aol.com (mtain-dg03.r1000.mx.aol.com [172.29.65.11]) by air-me02.mail.aol.com (v129.4) with ESMTP id MAILINME024-8ba74bf95257285; Sun, 23 May 2010 12:05:43 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-dg03.r1000.mx.aol.com (Internet Inbound) with ESMTP id C7D7B3800009A; Sun, 23 May 2010 12:05:41 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OGDf0-0000iW-A1 for rs_out_1@blacksheep.org; Sun, 23 May 2010 17:04:18 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OGDez-0000iN-SV for rsgb_lf_group@blacksheep.org; Sun, 23 May 2010 17:04:17 +0100 Received: from nina.ucs.mun.ca ([134.153.232.76]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OGDew-0000vS-Rd for rsgb_lf_group@blacksheep.org; Sun, 23 May 2010 17:04:17 +0100 Received: from plato.ucs.mun.ca (plato.ucs.mun.ca [134.153.232.153]) by nina.ucs.mun.ca (8.13.1/8.13.1) with ESMTP id o4NG47qL001596 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sun, 23 May 2010 13:34:07 -0230 Date: Sun, 23 May 2010 13:34:07 -0230 (NDT) From: jcraig@mun.ca X-X-Sender: jcraig@plato.ucs.mun.ca To: rsgb_lf_group@blacksheep.org In-Reply-To: <496730B2-8693-486F-BB17-F7CE56FCE987@hurontel.on.ca> Message-ID: References: <4BBE16CB.23244.11610C0@mike.dennison.ntlworld.com> <496730B2-8693-486F-BB17-F7CE56FCE987@hurontel.on.ca> MIME-Version: 1.0 X-Spam-Score: 0.6 (/) X-Spam-Report: autolearn=disabled,NO_REAL_NAME=0.55 Subject: Re: LF: Need e-mail address Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.3 required=5.0 tests=NO_REAL_NAME autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d410b4bf952557f81 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) Hi Bruce... I think I can help you with this one! 73 Joe VO1NA On Sun, 23 May 2010, John Bruce McCreath wrote: > > Hello LFers, > > I seem to have misplaced the e-mail address for Joe, VO1NA. Anyone here know it? > > Tnx & 73, J.B., VE3EAR > > LowFER Beacon "EAR" > 188.830 kHz. QRSS30 > > > > > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-db06.r1000.mx.aol.com (mtain-db06.r1000.mx.aol.com [172.29.64.90]) by air-mb05.mail.aol.com (v129.4) with ESMTP id MAILINMB051-a3834bf8e0d81b3; Sun, 23 May 2010 04:01:28 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-db06.r1000.mx.aol.com (Internet Inbound) with ESMTP id B1D2F380000B3; Sun, 23 May 2010 04:01:26 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OG66a-0002Fp-9M for rs_out_1@blacksheep.org; Sun, 23 May 2010 09:00:16 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OG66Z-0002Fg-Tl for rsgb_lf_group@blacksheep.org; Sun, 23 May 2010 09:00:15 +0100 Received: from cpsmtpb-ews02.kpnxchange.com ([213.75.39.5]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OG66X-0002Uk-Vz for rsgb_lf_group@blacksheep.org; Sun, 23 May 2010 09:00:15 +0100 Received: from cpbrm-ews31.kpnxchange.com ([10.94.84.162]) by cpsmtpb-ews02.kpnxchange.com with Microsoft SMTPSVC(6.0.3790.3959); Sun, 23 May 2010 10:00:08 +0200 Received: from CPSMTPM-EML106.kpnxchange.com ([195.121.3.10]) by cpbrm-ews31.kpnxchange.com with Microsoft SMTPSVC(6.0.3790.3959); Sun, 23 May 2010 10:00:08 +0200 Received: from ns94d01ae4d850 ([81.204.139.159]) by CPSMTPM-EML106.kpnxchange.com with Microsoft SMTPSVC(7.0.6001.18000); Sun, 23 May 2010 10:00:07 +0200 Message-ID: <7379D5413B7B4B9983F672C48E57A97F@ns94d01ae4d850> From: "henny van elst" To: References: <8327.4b818cbf.3929a591@aol.com> Date: Sun, 23 May 2010 10:00:02 +0200 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5843 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 X-OriginalArrivalTime: 23 May 2010 08:00:07.0674 (UTC) FILETIME=[F5CCB5A0:01CAFA4D] X-RecipientDomain: blacksheep.org X-Spam-Score: 3.4 (+++) X-Spam-Report: autolearn=disabled,FORGED_MUA_OUTLOOK=3.36,HTML_MESSAGE=0.001 Subject: LF: Re: PA3FNY PA3CPM beacons Content-Type: multipart/alternative; boundary="----=_NextPart_000_0037_01CAFA5E.B68C0560" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.1 required=5.0 tests=FORGED_MUA_OUTLOOK,HTML_40_50, HTML_MESSAGE autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d405a4bf8e0d66451 X-AOL-IP: 193.82.116.20 ------=_NextPart_000_0037_01CAFA5E.B68C0560 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hello Nicolas,Klaus,LF Tu for the reports, henny pa3cpm best 73s ----- Original Message -----=20 From: F4DTL@aol.com=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Saturday, May 22, 2010 11:24 PM Subject: LF: PA3FNY PA3CPM beacons Hello Viktor and Henny, this is my screen capture, seen also PA0A in= WSPR. F4DTL Nicolas JN18FP RX : Icom IC7400 Ant: miniwhip PA0RDT ----------------------------------------------------------------------= -------- No virus found in this incoming message. Checked by AVG - www.avg.com=20 Version: 8.5.437 / Virus Database: 271.1.1/2890 - Release Date: 05/2= 2/10 18:26:00 ------=_NextPart_000_0037_01CAFA5E.B68C0560 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Hello Nicolas,Klaus,LF

Tu for the reports,

henny pa3cpm

best 73s

----- Original Message -----

From:=20 F4DTL@aol.com=

To: rsgb_l= f_group@blacksheep.org=20

Sent: Saturday, May 22, 2010= 11:24=20 PM

Subject: LF: PA3FNY PA3CPM be= acons

Hello Viktor and Henny, this is my screen capture, seen also PA= 0A in=20 WSPR.

F4DTL=20 Nicolas JN18FP

RX : Icom IC7400
Ant: miniwhip=20 PA0RDT

No virus found in this incoming message.
Checked by AV= G - www.avg.com
Version: 8.= 5.437 / Virus=20 Database: 271.1.1/2890 - Release Date: 05/22/10=20 18:26:00

------=_NextPart_000_0037_01CAFA5E.B68C0560-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-de04.r1000.mx.aol.com (mtain-de04.r1000.mx.aol.com [172.29.64.204]) by air-df01.mail.aol.com (v129.4) with ESMTP id MAILINDF011-5ee24bef90b9372; Sun, 16 May 2010 02:29:13 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-de04.r1000.mx.aol.com (Internet Inbound) with ESMTP id C0DA6380000EC; Sun, 16 May 2010 02:29:11 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ODXK4-0002ua-SQ for rs_out_1@blacksheep.org; Sun, 16 May 2010 07:27:36 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ODXK4-0002uR-2G for rsgb_lf_group@blacksheep.org; Sun, 16 May 2010 07:27:36 +0100 Received: from mout0.freenet.de ([195.4.92.90]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1ODXK2-0000dX-Sj for rsgb_lf_group@blacksheep.org; Sun, 16 May 2010 07:27:36 +0100 Received: from [195.4.92.17] (helo=7.mx.freenet.de) by mout0.freenet.de with esmtpa (ID dl4yhf@freenet.de) (port 25) (Exim 4.72 #3) id 1ODXK1-000337-GL; Sun, 16 May 2010 08:27:33 +0200 Received: from blfd-4db18dfa.pool.mediaways.net ([77.177.141.250]:1587 helo=[192.168.0.21]) by 7.mx.freenet.de with esmtpa (ID dl4yhf@freenet.de) (port 25) (Exim 4.72 #3) id 1ODXK0-0004qr-Rg; Sun, 16 May 2010 08:27:33 +0200 Message-ID: <4BEF9053.6020908@freenet.de> Date: Sun, 16 May 2010 08:27:31 +0200 From: =?ISO-8859-1?Q?Wolfgang_B=FCscher?= User-Agent: Thunderbird 2.0.0.24 (Windows/20100228) MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <002701caf394$44cbd980$0401a8c0@xphd97xgq27nyf> <4BEE8B1B.502@iup.uni-heidelberg.de> <4BEE92AD.7090909@iup.uni-heidelberg.de> <38A51B74B884D74083D7950AD0DD85E82A1BF2@File-Server-HST.hst.e-technik.tu-darmstadt.de> <38A51B74B884D74083D7950AD0DD85E82A1BF3@File-Server-HST.hst.e-technik.tu-darmstadt.de> In-Reply-To: <38A51B74B884D74083D7950AD0DD85E82A1BF3@File-Server-HST.hst.e-technik.tu-darmstadt.de> X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: AW: Re: DK7FCs 5th VLF experiment... Content-Type: text/plain; charset=ISO-8859-1; format=flowed X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d40cc4bef90b7774f X-AOL-IP: 193.82.116.20 Content-Transfer-Encoding: quoted-printable X-Mailer: Unknown (No Version) Hi Stefan, Markus, and the group, 8970 Hz is monitored in Todmorden, Sebring/Florida, Cape Coral/Florida,=20 Cumiana/Italy, Spenge(Bielefeld) by virtue of Paul's combined realtime=20 spectrum / spectrogram display which is here:=20 http://abelian.org/vlf/nc.html . The Sicily receiver may be on-line for audio streaming (=20 http://abelian.org/vlf/nc.html ) but the spectrogram is still empty=20 (guess it just started when I visited Paul's site). Maybe Markus can pass on the info to you, if something happens on any of= =20 those VLF receivers. Good luck and cul, Wolf DL4YHF (soon leaving for some /p test, this time with the E-field receiver=20 instead of the H-field loop) Stefan Sch=E4fer schrieb: > Last Question for today: Is Paul Nicholson also QRV and informed? What= about the italian VLF Receiver in Caselle / Sicilia (1430km)? And SQ5BPF,= also informed? Also tnx SV8GXC for beeing QRV!=20 > > nw hr qrt until tmw =3D 73 DK7FC .-.-. sk > > =20 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-dd02.r1000.mx.aol.com (mtain-dd02.r1000.mx.aol.com [172.29.64.142]) by air-mf01.mail.aol.com (v129.4) with ESMTP id MAILINMF014-8bcc4bf53db6be; Thu, 20 May 2010 09:48:38 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-dd02.r1000.mx.aol.com (Internet Inbound) with ESMTP id 9DBB9380001BD; Thu, 20 May 2010 09:48:35 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OF66E-00070d-Lm for rs_out_1@blacksheep.org; Thu, 20 May 2010 14:47:46 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OF66E-00070U-AN for rsgb_lf_group@blacksheep.org; Thu, 20 May 2010 14:47:46 +0100 Received: from relay.uni-heidelberg.de ([129.206.100.212]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OF66D-0000pa-Jp for rsgb_lf_group@blacksheep.org; Thu, 20 May 2010 14:47:46 +0100 Received: from freitag.iup.uni-heidelberg.de (freitag.iup.uni-heidelberg.de [129.206.29.204]) by relay.uni-heidelberg.de (8.14.1/8.14.1) with ESMTP id o4KDlWWc011796 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Thu, 20 May 2010 15:47:32 +0200 Received: from [129.206.29.99] (pc99.iup.uni-heidelberg.de [129.206.29.99]) by freitag.iup.uni-heidelberg.de (8.12.11.20060308/8.11.2) with ESMTP id o4KDljOC003913 for ; Thu, 20 May 2010 15:47:45 +0200 Message-ID: <4BF53D71.8050404@iup.uni-heidelberg.de> Date: Thu, 20 May 2010 15:47:29 +0200 From: =?ISO-8859-1?Q?Stefan_Sch=E4fer?= User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <008f01caf784$779a11d0$0301a8c0@your91hoehfy9g> <4BF4FBF4.2020208@iup.uni-heidelberg.de> <4BF53399.4010403@iup.uni-heidelberg.de> <4BF5387F.2040906@legal-medicine.de> In-Reply-To: <4BF5387F.2040906@legal-medicine.de> X-Spam-Score: 1.4 (+) X-Spam-Report: autolearn=disabled,RATWARE_GECKO_BUILD=1.426 Subject: Re: VLF: Clipping or blanking?? Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d408e4bf53db302b6 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) Hello Peter, No, it is 48 kHz but there seems to be a cut off by the soundcard or the soundcard-driver? I already noticed that DHO-38 is missing there ;-) So now i lock the soundcard drift to GBZ (works quiete fine). Stefan PS: As mentioned, there is still IM, so much noise where no noise should be. I will reduce the wire length by abt 10% within the next hour... Am 20.05.2010 15:26, schrieb pws: > Stefan, > > You wrote: > >> ... >> 6: DFCW-6000 >> 7: wide band window 0...24 kHz >> > 0..22 kHz. I would expect DHO38 at 23.4 kHz not at 20.6 kHz. That's the > mirror from 2nd Nyquist domain. Your sample rate is 44 kHz? > > Peter, df3lp > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-mc10.r1000.mx.aol.com (mtain-mc10.r1000.mx.aol.com [172.29.96.82]) by air-de08.mail.aol.com (v129.4) with ESMTP id MAILINDE081-5ebe4beeadd0d3; Sat, 15 May 2010 10:21:04 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-mc10.r1000.mx.aol.com (Internet Inbound) with ESMTP id 46B5A3800009C; Sat, 15 May 2010 10:21:03 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ODIDL-0007N9-SH for rs_out_1@blacksheep.org; Sat, 15 May 2010 15:19:39 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ODIDL-0007N0-Fi for rsgb_lf_group@blacksheep.org; Sat, 15 May 2010 15:19:39 +0100 Received: from smtp5.freeserve.com ([193.252.22.159]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1ODIDJ-0000pr-Nl for rsgb_lf_group@blacksheep.org; Sat, 15 May 2010 15:19:39 +0100 Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf3413.me.freeserve.com (SMTP Server) with ESMTP id D57DE1C00075 for ; Sat, 15 May 2010 16:19:31 +0200 (CEST) Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf3413.me.freeserve.com (SMTP Server) with ESMTP id C697A1C00052 for ; Sat, 15 May 2010 16:19:31 +0200 (CEST) Received: from AGB (unknown [91.109.43.210]) by mwinf3413.me.freeserve.com (SMTP Server) with SMTP id 4EC9E1C00075 for ; Sat, 15 May 2010 16:19:29 +0200 (CEST) X-ME-UUID: 20100515141929322.4EC9E1C00075@mwinf3413.me.freeserve.com Message-ID: From: "Graham" To: References: <0C166ED7A94D48C6842ACC3933291ABD@AGB> <5848740C12594552BAA1E0CFAF27EBF0@AGB> <212852254.20100514232614@mterrier.net> In-Reply-To: <212852254.20100514232614@mterrier.net> Date: Sat, 15 May 2010 15:19:28 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8089.726 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8089.726 X-Antivirus: avast! (VPS 100515-0, 15/05/2010), Outbound message X-Antivirus-Status: Clean X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: Test of ROS 100 Mf Mode tonight Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.1 required=5.0 tests=MISSING_OUTLOOK_NAME autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d60524beeadcf4f7c X-AOL-IP: 193.82.116.20 Yes ... I have 100's of emails hihi .. this was one of the 5 watt tx's ... looks like a crazy mode .... nearly 100 % decode from Paris of the qso with JIm .. but I was running 20 rf to the ae ..hopefully more stations will be able to use data on 500 ? Tnx - Graham Received Message: 'the quick brown fox jumps over the lazey moon 1234567890 G0NBD testing 5 w ' -------------------------------------------------- From: "Michel F5WK" Sent: Friday, May 14, 2010 10:26 PM To: Subject: Re: LF: Test of ROS 100 Mf Mode tonight > > Hi Graham, LF MF > > RX7: <21:14 UTC> <0,0 Hz> the quick brown fox jumps over the lazey moon > 1234567890 G0NBD testing 20 w <-16 dB> > RX7: <21:16 UTC> <0,0 Hz> the quick brown fox jumps over the lazey moon > 1234567890 G0NBD testing 20 w <-16 dB> > RX7: <21:18 UTC> <0,0 Hz> the quick brown fox jumps over the lazey moon > 1234567890 G0NBD testing "v &tt <-24 dB> > RX7: <21:22 UTC> <0,0 Hz> the quick brown fox jumps over the lazey moon > 1234567890 G0NBD testing 20 w <-22 dB> > > My ROS has been sending a bunch of emails, Graham did you get any ? > > 73, > > Michel - F5WK > >> Beacon now back to 20 watts / 60 second prf >> >> ROS - 100 Hz MF mode 7 >> >> Dial set 502.000 usb / RX is ON , (mode 7 & 1 ) >> >> QRZ de G0NBD >> >> > > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-ma08.r1000.mx.aol.com (mtain-ma08.r1000.mx.aol.com [172.29.96.16]) by air-de05.mail.aol.com (v129.4) with ESMTP id MAILINDE051-5eb24be53c8c38e; Sat, 08 May 2010 06:27:24 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-ma08.r1000.mx.aol.com (Internet Inbound) with ESMTP id 2ACEC380000A8; Sat, 8 May 2010 06:27:23 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OAhEC-0004rt-Lm for rs_out_1@blacksheep.org; Sat, 08 May 2010 11:25:48 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OAhEC-0004rk-AF for rsgb_lf_group@blacksheep.org; Sat, 08 May 2010 11:25:48 +0100 Received: from mail-ww0-f43.google.com ([74.125.82.43]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OAhEA-0000oO-Fy for rsgb_lf_group@blacksheep.org; Sat, 08 May 2010 11:25:48 +0100 Received: by wwi18 with SMTP id 18so1246624wwi.16 for ; Sat, 08 May 2010 03:25:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=domainkey-signature:mime-version:received:sender:received:date :x-google-sender-auth:message-id:subject:from:to:content-type; bh=RtCrwdZc/W0jMy9wTPM6nkx4EmWth5sSO4lPbFVWDMo=; b=Ngu/G7iDbnWtMtajOqDgAaFSaiZn2uhPDM0uzrVdcQ7FlSVdpUoKxwPXfAFUEFIrVj U9VqArQGKAUuV2DzTQRADFOFpsj90DAtF1aPYE0MZ6fWO9yYrjkQ3A/oFeF6MQewyqGj 6X3tMhkIRCaJJrxIznGbUWBy4IX2p1ZIT3yvo= DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=gamma; h=mime-version:sender:date:x-google-sender-auth:message-id:subject :from:to:content-type; b=jSrsx7JEZKLq67O1ruqQ67Sh8KVmt+VRsynVHc737Bd9J0hpUkaMbt5eZQUNF7EkI+ lQmzfzwA1yGoBQTGAw3AAS0HpP7JzHDTAoS3xnSIH94jXoINWzpWFUWlXi/IfqGbSZ75 GQDvIAP4kNxcTjFJIV8Ig8nBKXXGNQLHwDn+s= MIME-Version: 1.0 Received: by 10.216.154.140 with SMTP id h12mr734296wek.193.1273314340234; Sat, 08 May 2010 03:25:40 -0700 (PDT) Received: by 10.216.6.23 with HTTP; Sat, 8 May 2010 03:25:40 -0700 (PDT) Date: Sat, 8 May 2010 11:25:40 +0100 X-Google-Sender-Auth: ZVtQyWSzXqtKErSup9aO7sC-UXU Message-ID: From: Gary - G4WGT To: "LF Group (RSGB)" DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: LF: ROS Test 503.600 Khz Last Night. Content-Type: multipart/alternative; boundary=0016e657b64eefe792048612982c X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_20_30,HTML_MESSAGE autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G X-AOL-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-m201.2 ; domain : googlemail.com DKIM : fail x-aol-sid: 3039ac1d60104be53c8b2b52 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) --0016e657b64eefe792048612982c Content-Type: text/plain; charset=ISO-8859-1 Hi All, My distance using ROS data mode has improved by the slight increase in power/ERP last night to 20 watts Tx power estimating 120mW ERP. A report from Marco DD7PC in JN49AX makes the distance 835 km / 519 miles. Thanks to all who responded with reports both direct & on LF Group. Michel - F5WK Rik - OR7T/ON7YD Marco - DD7PC Graham - G0NBD Nicolas - F4DTL 73 Gary - G4WGT --0016e657b64eefe792048612982c Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Hi All,

My distance using ROS data mode has improved by= the slight increase in power/ERP last night to 20 watts Tx power estimati= ng 120mW ERP.

A report from Marco DD7PC in JN49AX= makes the distance 835 km / 519 miles.

Thanks to all who responded with reports both direct= & on LF Group.

Michel - F5WK

Rik= - OR7T/ON7YD

Marco - DD7PC

Graham - G0NBD

N= icolas - F4DTL

Gary - G4WGT

--0016e657b64eefe792048612982c-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-dh10.r1000.mx.aol.com (mtain-dh10.r1000.mx.aol.com [172.29.65.30]) by air-da09.mail.aol.com (v129.4) with ESMTP id MAILINDA093-86414bed9840145; Fri, 14 May 2010 14:36:48 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-dh10.r1000.mx.aol.com (Internet Inbound) with ESMTP id AD10D38000282; Fri, 14 May 2010 14:36:46 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OCzjo-0005kI-9l for rs_out_1@blacksheep.org; Fri, 14 May 2010 19:35:56 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OCzjn-0005k9-Tl for rsgb_lf_group@blacksheep.org; Fri, 14 May 2010 19:35:55 +0100 Received: from out1.ip02ir2.opaltelecom.net ([62.24.128.238]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OCzjl-0004V7-9N for rsgb_lf_group@blacksheep.org; Fri, 14 May 2010 19:35:55 +0100 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AsQKAGc17UsCYh4U/2dsb2JhbACOZAOPGQNxviqFEAQ X-IronPort-AV: E=Sophos;i="4.53,232,1272841200"; d="scan'208,217";a="323107829" Received: from unknown (HELO xphd97xgq27nyf) ([2.98.30.20]) by out1.ip02ir2.opaltelecom.net with SMTP; 14 May 2010 19:35:46 +0100 Message-ID: <002701caf394$44cbd980$0401a8c0@xphd97xgq27nyf> From: "mal hamilton" To: "rsgb" Date: Fri, 14 May 2010 19:35:46 +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 V6.00.2600.0000 X-Spam-Score: 0.2 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001,RCVD_ILLEGAL_IP=0.234 Subject: LF: ref LD30 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0024_01CAF39C.A65BC400" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.8 required=5.0 tests=HTML_30_40,HTML_MESSAGE autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d411e4bed983e0727 X-AOL-IP: 193.82.116.20 ------=_NextPart_000_0024_01CAF39C.A65BC400 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Well, I am getting 15v sine wave into a 50 ohm DL with the LD30,= this looks promising. All I need now is a 500W audio amp suitably mat= ched into 50 ohms. I prefer to keep a standard 50 ohm system for measuring purposesd. or I could change the 15v to sq wave and build a class D fet amp, maybe= a better approach. If I proceed the Ant system would consist of 3 x inv L antennas in par= allel, height about 100 ft and each one about 500 ft horizontal. Will have to calculate the loading coil L maybe less than 1 H with som= e luck This is just a proposal at present de mal/g3kev ------=_NextPart_000_0024_01CAF39C.A65BC400 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Well, I am getting= 15v sine wave=20 into a 50 ohm DL with the LD30, this looks promising. All I need now= is a 500W=20 audio amp suitably matched into 50 ohms.

I prefer to keep a standard 50 ohm sy= stem for=20 measuring purposesd.

I could change the 15v to sq wave and= build a class=20 D fet amp, maybe a better approach.

If I proceed the Ant system would con= sist of 3 x=20 inv L antennas in parallel, height about 100 ft and each one about 500= ft=20 horizontal.

Will have to calculate the loading co= il L maybe=20 less than 1 H with some luck

This is just a proposal at present

de mal/g3kev

------=_NextPart_000_0024_01CAF39C.A65BC400-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-mg11.r1000.mx.aol.com (mtain-mg11.r1000.mx.aol.com [172.29.96.211]) by air-mc06.mail.aol.com (v129.4) with ESMTP id MAILINMC064-a9764be1c9ba27f; Wed, 05 May 2010 15:40:42 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-mg11.r1000.mx.aol.com (Internet Inbound) with ESMTP id 55C6B380000BB; Wed, 5 May 2010 15:40:40 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1O9kR1-0000iR-MW for rs_out_1@blacksheep.org; Wed, 05 May 2010 20:39:07 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1O9kR1-0000iF-2r for rsgb_lf_group@blacksheep.org; Wed, 05 May 2010 20:39:07 +0100 Received: from imr-da01.mx.aol.com ([205.188.105.143]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1O9kQy-0000oO-W6 for rsgb_lf_group@blacksheep.org; Wed, 05 May 2010 20:39:07 +0100 Received: from imo-ma04.mx.aol.com (imo-ma04.mx.aol.com [64.12.78.139]) by imr-da01.mx.aol.com (8.14.1/8.14.1) with ESMTP id o45JctJK015767 for ; Wed, 5 May 2010 15:38:55 -0400 Received: from F4DTL@aol.com by imo-ma04.mx.aol.com (mail_out_v42.9.) id l.d72.841748b (37097) for ; Wed, 5 May 2010 15:38:53 -0400 (EDT) Received: from magic-m25.mail.aol.com (magic-m25.mail.aol.com [172.20.22.198]) by cia-db07.mx.aol.com (v128.3) with ESMTP id MAILCIADB077-90e94be1c94ce6; Wed, 05 May 2010 15:38:52 -0400 From: F4DTL@aol.com Message-ID: <254e4.c9d8304.3913234c@aol.com> Date: Wed, 5 May 2010 15:38:52 EDT To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Mailer: 9.0 SE for Windows sub 5030 X-AOL-ORIG-IP: 77.201.214.22 X-Spam-Flag:NO X-AOL-SENDER: F4DTL@aol.com X-Spam-Score: 0.6 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001,NO_REAL_NAME=0.55 Subject: Re: LF: DI2AN tonight in QRSS 10 Content-Type: multipart/alternative; boundary="part1_254e4.c9d8304.3913234c_boundary" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.8 required=5.0 tests=HTML_40_50,HTML_MESSAGE, NO_REAL_NAME autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d60d34be1c9b81fda X-AOL-IP: 193.82.116.20 --part1_254e4.c9d8304.3913234c_boundary Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable =20 Hello Horst,nice but what's your frequency in QRSS10 =20 F4DTL Nicolas =20 =20 Dans un e-mail dat=E9 du 05/05/2010 18:17:21 Paris, Madrid (heure d'=E9t= =E9), =20 horst.stoecker@web.de a =E9crit : from now on . . . ___________________________________________________________ NEU: WEB.DE DSL f=FCr 19,99 EUR/mtl. und ohne Mindest-Laufzeit! http://produkte.web.de/go/02/ =20 --part1_254e4.c9d8304.3913234c_boundary Content-Type: text/html; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable <= FONT id=3Drole_document color=3D#000000 size=3D2 face=3DArial>

Hello Horst,nice but what's your frequency in QRSS10

F4DTL Nicolas

Dans un e-mail dat=E9 du 05/05/2010 18:17:21 Paris, Madrid (heure d'= =E9t=E9),=20 horst.stoecker@web.de a =E9crit :

from now=20 on . .=20 .
___________________________________________________________
NEU:= =20 WEB.DE DSL f=FCr 19,99 EUR/mtl. und ohne=20 Mindest-Laufzeit!
http://produkte.web.de/go/02/

--part1_254e4.c9d8304.3913234c_boundary-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-mi01.r1000.mx.aol.com (mtain-mi01.r1000.mail.aol.com [172.21.131.154]) by air-mb07.mail.aol.com (v129.4) with ESMTP id MAILINMB073-a7a34bef938380; Sun, 16 May 2010 02:41:07 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-mi01.r1000.mx.aol.com (Internet Inbound) with ESMTP id EA542380000AD; Sun, 16 May 2010 02:41:05 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ODXWF-00031G-Mw for rs_out_1@blacksheep.org; Sun, 16 May 2010 07:40:11 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ODXWF-000317-Cd for rsgb_lf_group@blacksheep.org; Sun, 16 May 2010 07:40:11 +0100 Received: from mout7.freenet.de ([195.4.92.97]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1ODXWD-0000hk-Nr for rsgb_lf_group@blacksheep.org; Sun, 16 May 2010 07:40:11 +0100 Received: from [195.4.92.25] (helo=15.mx.freenet.de) by mout7.freenet.de with esmtpa (ID dl4yhf@freenet.de) (port 25) (Exim 4.72 #3) id 1ODXWC-0002eg-N1 for rsgb_lf_group@blacksheep.org; Sun, 16 May 2010 08:40:08 +0200 Received: from blfd-4db18dfa.pool.mediaways.net ([77.177.141.250]:1678 helo=[192.168.0.21]) by 15.mx.freenet.de with esmtpa (ID dl4yhf@freenet.de) (port 25) (Exim 4.72 #3) id 1ODXWC-0006if-Fg for rsgb_lf_group@blacksheep.org; Sun, 16 May 2010 08:40:08 +0200 Message-ID: <4BEF9347.7070207@freenet.de> Date: Sun, 16 May 2010 08:40:07 +0200 From: =?ISO-8859-1?Q?Wolfgang_B=FCscher?= User-Agent: Thunderbird 2.0.0.24 (Windows/20100228) MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <002701caf394$44cbd980$0401a8c0@xphd97xgq27nyf> <4BEE8B1B.502@iup.uni-heidelberg.de> <4BEE92AD.7090909@iup.uni-heidelberg.de> <38A51B74B884D74083D7950AD0DD85E82A1BF2@File-Server-HST.hst.e-technik.tu-darmstadt.de> <38A51B74B884D74083D7950AD0DD85E82A1BF3@File-Server-HST.hst.e-technik.tu-darmstadt.de> <4BEF9053.6020908@freenet.de> In-Reply-To: <4BEF9053.6020908@freenet.de> X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: AW: Re: DK7FCs 5th VLF experiment... Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039400cdec94bef93813241 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) Oops... the link to Paul Nicholson's VLF audio stream overview is : http://abelian.org/vlf/ 73, Wolf DL4YHF . (...still missing those Alpha signals for a quick frequency check... ) From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-de03.r1000.mx.aol.com (mtain-de03.r1000.mx.aol.com [172.29.64.203]) by air-md10.mail.aol.com (v129.4) with ESMTP id MAILINMD103-8b9a4beecfde29e; Sat, 15 May 2010 12:46:22 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-de03.r1000.mx.aol.com (Internet Inbound) with ESMTP id 49ECB380000A0; Sat, 15 May 2010 12:46:14 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ODKTB-0006NG-MX for rs_out_1@blacksheep.org; Sat, 15 May 2010 17:44:09 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ODKTB-0006N7-7A for rsgb_lf_group@blacksheep.org; Sat, 15 May 2010 17:44:09 +0100 Received: from smtp-out20.alice.it ([85.33.2.20]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1ODKSy-0001ER-EF for rsgb_lf_group@blacksheep.org; Sat, 15 May 2010 17:44:09 +0100 Received: from FBCMMO03.fbc.local ([192.168.68.197]) by smtp-out20.alice.it with Microsoft SMTPSVC(6.0.3790.3959); Sat, 15 May 2010 18:43:29 +0200 Received: from FBCMCL01B09.fbc.local ([192.168.171.26]) by FBCMMO03.fbc.local with Microsoft SMTPSVC(6.0.3790.3959); Sat, 15 May 2010 18:43:26 +0200 Received: from PCCasa ([87.1.245.92]) by FBCMCL01B09.fbc.local with Microsoft SMTPSVC(6.0.3790.3959); Sat, 15 May 2010 18:43:25 +0200 Message-ID: <294960B1E70147A79479840CE430F5E1@PCCasa> From: "Daniele Tincani" To: References: <002701caf394$44cbd980$0401a8c0@xphd97xgq27nyf> <4BEE8B1B.502@iup.uni-heidelberg.de> <4BEE92AD.7090909@iup.uni-heidelberg.de> In-Reply-To: <4BEE92AD.7090909@iup.uni-heidelberg.de> Date: Sat, 15 May 2010 18:43:22 +0200 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6002.18197 X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6002.18197 X-OriginalArrivalTime: 15 May 2010 16:43:26.0042 (UTC) FILETIME=[BD6173A0:01CAF44D] X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: LF: Re: DK7FCs 5th VLF experiment... Content-Type: multipart/alternative; boundary="----=_NextPart_000_0050_01CAF45E.7EBE8A00" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.6 required=5.0 tests=HTML_20_30,HTML_MESSAGE, MISSING_OUTLOOK_NAME autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d40cb4beecfd63e09 X-AOL-IP: 193.82.116.20 ------=_NextPart_000_0050_01CAF45E.7EBE8A00 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi Stefan and good luck...may be at the same time I will be listening= local man-made noise around 9KHz as usual :-) Cheers D. ----- Original Message -----=20 From: Stefan Sch=E4fer=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Saturday, May 15, 2010 2:25 PM Subject: VLF: DK7FCs 5th VLF experiment... Dear group,=20 I is a long time ago that i have done the last experiment. Tomorrow,= the WX could be suitable and i have time and motivation to try the ne= xt experiment on 8,97 kHz. But the WX is a little risky (http://www.wi= ndfinder.com/forecast/frankfurt) and so i do not yet know, if i really= can come up. So it is just a uncertain announcement. Maybe Markus/DF6= NM, if he has time, will inform you about the actual state. In the last weeks, the QRM less window becomes smaller and more earl= y. It is arround 5...8 UTC (http://www.iup.uni-heidelberg.de/schaefer_= vlf/DK7FC_VLF_Grabber.html).=20 So, i plan to start transmissions at arround 7 UTC on 8970,0 Hz. I= want to check the new 600W PA and the new additional earth rod. Anten= na length is still 100m. The amperemeter will also be tested the first= time. Modes will be DFCW-600 (50mHz shift) and a transmission in DFCW= -60 (500mHz shift) if i can reach my grabber in the DFCW-60 window in= 37km distance. If the wind is stable and i have enough time i will do= first receiving tests using the TX antenna! This is to prepare the fi= rst VLF QSO above 100km ;-) So, let's hope for good and stable wind and no rain, dreaming... Will anybody listen to the experiment except my and Markus' grabber?= ;-) 73, Stefan/DK7FC ----------------------------------------------------------------------= -------- Nessun virus nel messaggio in arrivo. Controllato da AVG - www.avg.com=20 Versione: 9.0.819 / Database dei virus: 271.1.1/2875 - Data di rila= scio: 05/15/10 08:26:00 ------=_NextPart_000_0050_01CAF45E.7EBE8A00 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Hi Stefan and good luck...may be at= the same time I=20 will be listening local man-made noise around 9KHz as usual :-)=

Cheers

----- Original Message -----

From:=20 Stefan Sch=E4fer

To: rsgb_l= f_group@blacksheep.org=20

Sent: Saturday, May 15, 2010= 2:25=20 PM

Subject: VLF: DK7FCs 5th VLF= =20 experiment...

Dear group,

I is a long time ago that i have= done the=20 last experiment. Tomorrow, the WX could be suitable and i hav= e time and=20 motivation to try the next experiment on 8,97 kHz. But the WX= is a=20 little risky (http://www.windfinder.com/forecas= t/frankfurt)=20 and so i do not yet know, if i really can come up. So it is just a= uncertain=20 announcement. Maybe Markus/DF6NM, if he has time, will inform you ab= out the=20 actual state.

In the last weeks, the QRM less window becomes= smaller=20 and more early. It is arround 5...8 UTC (http://www.iup.uni-heidelberg.de/schaefer_vlf= /DK7FC_VLF_Grabber.html).=20
So, i plan to start transmissions at arround 7 UTC on 8970,0 Hz.= I want to=20 check the new 600W PA and the new additional earth rod. Antenna leng= th is=20 still 100m. The amperemeter will also be tested the first time. Mode= s will be=20 DFCW-600 (50mHz shift) and a transmission in DFCW-60 (500mHz shift)= if i can=20 reach my grabber in the DFCW-60 window in 37km distance. If the wind= is stable=20 and i have enough time i will do first receiving tests using the TX= antenna!=20 This is to prepare the first VLF QSO above 100km ;-)

So, let'= s hope for=20 good and stable wind and no rain, dreaming...

Will anybody li= sten to=20 the experiment except my and Markus' grabber? ;-)

73,=20 Stefan/DK7FC

Nessun virus nel messaggio in arrivo.
Controllato da= AVG -=20 www.avg.com
Versione: 9.0.819 / Database dei virus: 271.1.1/2875= - =20 Data di rilascio: 05/15/10 08:26:00

------=_NextPart_000_0050_01CAF45E.7EBE8A00-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-mc04.r1000.mx.aol.com (mtain-mc04.r1000.mx.aol.com [172.29.96.76]) by air-da08.mail.aol.com (v129.4) with ESMTP id MAILINDA083-86404bf705882f0; Fri, 21 May 2010 18:13:28 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-mc04.r1000.mx.aol.com (Internet Inbound) with ESMTP id 3FB52380000A3; Fri, 21 May 2010 18:13:26 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OFaRi-0000E3-N3 for rs_out_1@blacksheep.org; Fri, 21 May 2010 23:11:58 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OFaRi-0000Du-4O for rsgb_lf_group@blacksheep.org; Fri, 21 May 2010 23:11:58 +0100 Received: from relay.uni-heidelberg.de ([129.206.100.212]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OFaRh-0005xW-9p for rsgb_lf_group@blacksheep.org; Fri, 21 May 2010 23:11:58 +0100 Received: from freitag.iup.uni-heidelberg.de (freitag.iup.uni-heidelberg.de [129.206.29.204]) by relay.uni-heidelberg.de (8.14.1/8.14.1) with ESMTP id o4LMBgbg001081 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sat, 22 May 2010 00:11:43 +0200 Received: from [129.206.29.99] (pc99.iup.uni-heidelberg.de [129.206.29.99]) by freitag.iup.uni-heidelberg.de (8.12.11.20060308/8.11.2) with ESMTP id o4LMBuSQ018654 for ; Sat, 22 May 2010 00:11:56 +0200 Message-ID: <4BF7051B.7010309@iup.uni-heidelberg.de> Date: Sat, 22 May 2010 00:11:39 +0200 From: =?ISO-8859-1?Q?Stefan_Sch=E4fer?= User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <008f01caf784$779a11d0$0301a8c0@your91hoehfy9g> <4BF4FBF4.2020208@iup.uni-heidelberg.de> <4BF53399.4010403@iup.uni-heidelberg.de> <1C7BCD9DEB29472F9BB467C4EE390840@JimPC> In-Reply-To: <1C7BCD9DEB29472F9BB467C4EE390840@JimPC> X-MIME-Autoconverted: from 8bit to quoted-printable by relay.uni-heidelberg.de id o4LMBgbg001081 X-Spam-Score: 1.4 (+) X-Spam-Report: autolearn=disabled,RATWARE_GECKO_BUILD=1.426 Subject: Re: LF: Re: Clipping or blanking/9kHz intermods Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d604c4bf705864a23 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) Hello Jim and all others, Tnx for your ideas! I could answer in a long mail, as usual ;-) but today i try to keep it=20 shorter ;-) I have done some modifications to the active antenna. The main change is= =20 a source resistor of 100 Ohm, of course without the parallel C. This=20 reduces the voltage gain of the first stage but anyway. It also improves= =20 the linearity. Additionally i meant that the audio input level was to=20 high for the soundcard (the software audio level control was just a=20 little above zero!). Thus i reduced the circuit from 3 amp stages to 2=20 stages (2x BF862, the 2nd is the LED driver as well). Now the volume=20 control is set in the middle, fine. But the overall level is abt 20dB=20 less and so one can see spikes in the ragnge of 5 to 15 kHz that comes=20 from the PC ( i supply the optical/electrical back converter out of the=20 12V of the PC). By adding a common mode choke i reduced those spikes=20 arround 15 dB but they are still visible, anyway. Mostly i want to get a= =20 clear 8,96...8,98 window, anything else is not really interesting for me. The IM is still available but its influence on the desired frequency=20 decreased strongly. There is such a strong decrease of QRN on the 600=20 window, i almost cannot belive it. I am still not sure about that...=20 This happend from 18 to 20 UTC (still visible on the 2nd grabber). First= =20 i thought the battery gets empty but later some VLF transmitters came up= =20 again so i hope this is really the noise decrease that occurrs each=20 evening. If this is true, the new arrangement could be much more=20 sensitive, i hope so. BTW, isolating the ground from the lightning arrester changed nothing (i= =20 assume still abt 20 pF coupling capacity). To see if something is wrong with the circuit or if the QRN in the 600=20 window is still caused by IM (this would be wondering because the noise=20 appears very homogen now, not like yesterday) i do transmit now a signal= =20 out of my VFO that is connected to a 10m long wire that is in the near=20 of the main (1st) grabber in the 2nd floor, so the distance is abt 25m=20 while the antenna voltage is 6,7 Vp. I am interested how the 600=20 window(s) will look tomorrow in the morning :-) Just for fun i do change= =20 the QRG as if i would transmit DFCW-600 but without switching out the=20 signal during the letters (or e.g. between 2 dots), just to see a=20 difference to lines that could be caused by IM (like yesterday). The=20 color scale is not optimal in the moment but first i want to see if the=20 QRN comes back in the morning. All pics are staved separately... 73!! Stefan/DK7FC Am 21.05.2010 03:10, schrieb James Moritz: > Dear Stefan, LF Group, > > ----- Original Message ----- From: "Stefan Sch=E4fer"=20 > > ...> > In Spectrum Lab there are different methods for noise reduction (e.g. of > lightnings). Those were discussed here in the last weeks. While > Jim/M0BMU preferes the clipper (using 0 dB above AVG if i remember > correctly), Markus/DF6NM prefers the noise blanker. > ...> > I don't really have a particular preference; both seem to give a=20 > similar improvement in apparent SNR, and both will introduce some=20 > intermodulation, since they are inherently non-linear techniques. Your= =20 > spectrograms seem to confirm there is not a great difference... BTW,=20 > the Spectrum Lab clipper, where the clipping threshold tracks the=20 > average signal level, does seem to give better results than simple=20 > fixed-threshold clipping, especially when other signals or narrow-band= =20 > noise are present. > > ...> > I still have to reduce the IM in the first stage (2nd order low pass > filter at the output of the first stage does not better the situation), > either by reducing the wire length or adding a series resistor or...hm, > will see (any ideas?). > ...> > At my QTH, there are 4 MF broadcasters within 1km, giving combined=20 > peak FS of 10s of volts per metre, so I get these problems a lot... I=20 > find it is important to keep an open mind about possible sources of=20 > this kind of QRM. > > The first thing is - are you sure the intermodulation actually occurs=20 > in your active whip? Any length of wire acts as an antenna, and will=20 > often be connected to some non-linear device (e.g. mains cable=20 > connected to rectifier diodes), so there are an almost infinite number= =20 > of places outside the antenna circuit that the 9kHz IM product could=20 > be generated. > > A prime candidate is the earth connection - if your antenna is high up= =20 > on a building, the earth connection will be carrying considerable=20 > broadcast-frequency current - I have found this often results in=20 > intermodulation, perhaps due to some kind of electrolytic effects=20 > occuring at the actual ground electrodes. This effect makes my TX=20 > antenna unusable for reception at many frequencies. Any mains power=20 > supply connected to the antenna preamp can cause a similar effect if=20 > the internal diodes, regulators, etc. are not well decoupled at=20 > broadcast frequencies. > > Another place where intermods can occur is the PC, which will=20 > typically have long cables connected to it (mains, network, sound card= =20 > etc...) again acting as antennas and carrying MF broadcast currents.=20 > Any intermod generated in something connected to the PC can be coupled= =20 > into the sound card inputs by the ground loops that tend to exist=20 > inside the machine. For example, I found using my 9kHz antenna/preamp=20 > at home with a laptop with AC adaptor gave a similar 9kHz line to the=20 > one you see. I eventually found this was still there with the preamp=20 > output disconnected from the sound card, but with the earth connection= =20 > present between the computer and the preamp. I assume the cables=20 > connected to the preamp were acting as an antenna, and flowing to=20 > ground through the PC and adaptor. The cure was to wind several turns=20 > of the AC adaptor lead through an EMC ferrite core to reduce the MF=20 > current flowing in it. For the DK7FC grabber, you could easily test if= =20 > the 9kHz comes from the antenna or PC end of the system by un-plugging= =20 > the optical fibre. > > Then there are usually many other cables, or large pieces of metal,=20 > near the antenna, via which intermods can be occuring. The resulting=20 > 9kHz voltages/currents will be picked up by your antenna. Moving the=20 > antenna is the easiest way to check this, or also to solve the=20 > problem, usually. > > But then, if the FS is high, it may be that the active antenna is the=20 > problem after all. In your circuit, it is unlikely that IM is occuring= =20 > after the input stage due to the presence of the bandpass filter. You=20 > could try adding a source degeneration resistor to reduce the gain and= =20 > improve the linearity of the input stage (say 100R, but you would also= =20 > probably need to change the gate bias voltage to get a sensible bias=20 > current). I would suggest putting about 47R resistor in series with=20 > the gate, to reduce the likelihood of VHF oscillation occuring, which=20 > can cause strange problems, including intermodulation at low=20 > frequencies. Probing the drain with an oscilloscope would reveal what=20 > large signals are present. Also, the drain resistor in the second=20 > stage needs looking at - 1k is rather too high a value for a 12V=20 > supply and a FET with zero gate bias and Idss of 10 - 25mA. > > BTW, problems with high broadcast station field strength were some of=20 > the reasons leading me to favour a loop antenna design, for 9kHz and=20 > other frequencies as well. It is much easier to include filtering=20 > directly at the antenna terminals, since the loop is much lower=20 > impedance. Also, ground connections are less of an issue. > > Cheers, Jim Moritz > 73 de M0BMU > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-mh11.r1000.mx.aol.com (mtain-mh11.r1000.mx.aol.com [172.29.96.223]) by air-mf04.mail.aol.com (v129.4) with ESMTP id MAILINMF043-8be74bfec50c56; Thu, 27 May 2010 15:16:28 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-mh11.r1000.mx.aol.com (Internet Inbound) with ESMTP id 24F1938000118; Thu, 27 May 2010 15:16:26 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OHiYC-0003mM-FR for rs_out_1@blacksheep.org; Thu, 27 May 2010 20:15:28 +0100 Received: from [83.244.159.144] (helo=relay3.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OHiY4-0003GC-40 for rsgb_lf_group@blacksheep.org; Thu, 27 May 2010 20:15:20 +0100 Received: from mail-ww0-f43.google.com ([74.125.82.43]) by relay3.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OHiXx-0005By-Ig for rsgb_lf_group@blacksheep.org; Thu, 27 May 2010 20:15:16 +0100 Received: by wwi18 with SMTP id 18so186095wwi.16 for ; Thu, 27 May 2010 12:15:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:sender:received :in-reply-to:references:date:x-google-sender-auth:message-id:subject :from:to:content-type; bh=A9iirFYtiYnJUm1jV9RZwQwqKo2HdiNLL+1Xq+jqFUA=; b=cDKbq8Vihqfrt6m0XkDT+uVOZN9mAv67KZs7VNIdTGO1h0wyBudPgWkGme9Vhjvabt iEstmdR/8JgXVlu8Z64upl8hLEBA88LNrkXt4y0wTAJcRAw6+dFYwlfnZBCh68fUXS5Y jO136bhd9bXquTi4XgsP+e/zqe6+VLZ6n0EvE= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:content-type; b=vlXZMEg/JlPlYcmYQCV7fbq6IhQl1ADZSVp3SmcxfqNxrkHADmwtbn2YMHCtX1KczX YRiYNemkom7k1IJA0PGplNrAUeg6mBe/zWmeKE7bacs7oHlGBAnpRM2uL0CZCYA6gYce kRT+w2sjNVtKlvgcbIOHgUsBJMU0b024nEtD0= MIME-Version: 1.0 Received: by 10.227.157.205 with SMTP id c13mr10179404wbx.136.1274987707802; Thu, 27 May 2010 12:15:07 -0700 (PDT) Received: by 10.216.185.212 with HTTP; Thu, 27 May 2010 12:15:07 -0700 (PDT) In-Reply-To: References:

Date: Thu, 27 May 2010 20:15:07 +0100 X-Google-Sender-Auth: oAdosRAvjf_StxH_SfxtzcOb4V4 Message-ID: From: Gary - G4WGT To: rsgb_lf_group@blacksheep.org DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: Re: LF: Re: OT Stupid CrimINals Content-Type: multipart/alternative; boundary=001636498bb96aa9a10487983507 X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_20_30,HTML_MESSAGE autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G X-AOL-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-m289.2 ; domain : gmail.com DKIM : fail x-aol-sid: 3039ac1d60df4bfec50a3755 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) --001636498bb96aa9a10487983507 Content-Type: text/plain; charset=ISO-8859-1 Warren, It did post, I read he article & saw your correction. 73 Gary - G4WGT. On 27 May 2010 20:09, Warren Ziegler wrote: > Andy, > I did send a correction in immediately but it didn't post ? > > http://www.arrl.org/news/new-zealand-s-radio-spectrum-management-cites-ham-for-transmitting-3100-w > 73 Warren > > > On Thu, May 27, 2010 at 3:00 PM, Andy Talbot > wrote: > > Why does no one ever bother to correct mis-spelt headers ? > > Andy > > www.g4jnt.com > > > > > > On 27 May 2010 19:55, Roger Lapthorn wrote: > >> > >> What's the point of running this sort of power on HF other than to > stroke > >> egos? > >> > >> 73s > >> Roger G3XBM > >> > >> On 27 May 2010 19:44, mal hamilton wrote: > >>> > >>> Warren > >>> His problem was that he got caught. Throughout the world lots of radio > >>> amateurs are running powers well above those permitted, especially when > >>> you > >>> take antenna gain into consideration. > >>> Big antennas with big gain on the higher freqs is not a crime. > >>> At one stage I had stacked 14, 21, 28 and 50 mcs yagis that gave me a > >>> terrific advantage although my RF did not exceed the permitted power. > >>> eg 400 watts with a 10 dB gain yagi gave me 4 Kw radiated power. I also > >>> have > >>> a NOV issued in 1962 for 1 kw power. > >>> Lots of stns in the USA are generating big erp,s > >>> G3KEV > >>> > >>> > >>> ----- Original Message ----- > >>> From: "Warren Ziegler" > >>> To: > >>> Sent: Thursday, May 27, 2010 4:04 PM > >>> Subject: LF: OT Stupid Crimals > >>> > >>> > >>> > Alan Potter ZL3II was busted by the NZ telecoms agency for running > >>> > excessive power (3100 Watts - the NZ limit is 500W PEP). > >>> > > >>> > The funny part is that he was caught because he posted a video on > >>> > Youtube demonstrating his 3100W setup! > >>> > > >>> > -- > >>> > 73 Warren K2ORS > >>> > WD2XGJ > >>> > WD2XSH/23 > >>> > WE2XEB/2 > >>> > WE2XGR/1 > >>> > > >>> > >>> > >> > >> > >> > >> -- > >> http://g3xbm-qrp.blogspot.com/ > >> http://www.g3xbm.co.uk > >> http://www.youtube.com/user/g3xbm > >> G3XBM GQRP 1678 ISWL G11088 > > > > > > > > -- > 73 Warren K2ORS > WD2XGJ > WD2XSH/23 > WE2XEB/2 > WE2XGR/1 > > --001636498bb96aa9a10487983507 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Warren,

It did post, I read he article & saw your= correction.

Gary -= G4WGT.

On 27 May 2010 20:09,= Warren Ziegler <= wd2xgj@gmail.com> wrote:

Andy,
=A0 =A0I did send a correction in immediately but it didn't post ? http://www.arrl.org= /news/new-zealand-s-radio-spectrum-management-cites-ham-for-transmitting-3= 100-w
73 Warren

On Thu, May 27, 2010 at 3:00 PM, Andy Talbot <andy.g4jnt@googlemail.com> wrote:
> Why does no one ever bother to correct mis-spelt headers ?
> Andy
> www.g4jnt.com<= br> >
>
> On 27 May 2010 19:55, Roger Lapthorn <rogerlapthorn@gmail.com> wrote:
>>
>> What's the point of running this sort of power on HF other th= an to stroke
>> egos?
>>
>> 73s
>> Roger G3XBM
>>
>> On 27 May 2010 19:44, mal hamilton <g3kevmal@talktalk.net> wrote:
>>>
>>> Warren
>>> His problem was that he got caught. Throughout the world lots= of radio
>>> amateurs are running powers well above those permitted, espec= ially when
>>> you
>>> take antenna gain into consideration.
>>> Big antennas with big gain on the higher freqs is not a crime= .
>>> At one stage I had stacked 14, 21, 28 and 50 mcs yagis that= gave me a
>>> terrific advantage although my RF did not exceed the permitte= d power.
>>> eg 400 watts with a 10 dB gain yagi gave me 4 Kw radiated pow= er. I also
>>> have
>>> a NOV =A0issued in 1962 for 1 kw power.
>>> Lots of stns in the USA are generating big erp,s
>>> G3KEV
>>>
>>>
>>> ----- Original Message -----
>>> From: "Warren Ziegler" <wd2xgj@gmail.com>
>>> To: <rsgb_= lf_group@blacksheep.org>
>>> Sent: Thursday, May 27, 2010 4:04 PM
>>> Subject: LF: OT Stupid Crimals
>>>
>>>
>>> > Alan Potter ZL3II was busted by the NZ telecoms agency= for running
>>> > excessive power (3100 Watts - the NZ limit is 500W PEP).=
>>> >
>>> > The funny part is that he was caught because he posted= a video on
>>> > Youtube demonstrating his 3100W setup!
>>> >
>>> > --
>>> > 73 Warren K2ORS
>>> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 WD2XGJ
>>> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 WD2XSH/23
>>> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 WE2XEB/2
>>> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 WE2XGR/1
>>> >
>>>
>>>
>>
>>
>>
>> --
>> http= ://g3xbm-qrp.blogspot.com/
>> http://www.g= 3xbm.co.uk
>> h= ttp://www.youtube.com/user/g3xbm
>> G3XBM =A0 =A0GQRP 1678 =A0 =A0 =A0ISWL G11088
>
>

--

73 Warren K2ORS
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0WD2XGJ
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0WD2XSH/23
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0WE2XEB/2
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0WE2XGR/1

--001636498bb96aa9a10487983507-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-mc08.r1000.mx.aol.com (mtain-mc08.r1000.mx.aol.com [172.29.96.80]) by air-md05.mail.aol.com (v129.4) with ESMTP id MAILINMD053-8b864bf424b0105; Wed, 19 May 2010 13:49:36 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-mc08.r1000.mx.aol.com (Internet Inbound) with ESMTP id 419733800009A; Wed, 19 May 2010 13:49:35 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OEnNs-0006Pp-80 for rs_out_1@blacksheep.org; Wed, 19 May 2010 18:48:44 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OEnNr-0006Pg-SC for rsgb_lf_group@blacksheep.org; Wed, 19 May 2010 18:48:43 +0100 Received: from out1.ip08ir2.opaltelecom.net ([62.24.128.244]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OEnNp-0005hS-5X for rsgb_lf_group@blacksheep.org; Wed, 19 May 2010 18:48:43 +0100 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AmcUAGvB80sCYg1k/2dsb2JhbACHXooIjA4DcbxbhRAE X-IronPort-AV: E=Sophos;i="4.53,264,1272841200"; d="scan'208";a="448707389" Received: from unknown (HELO your91hoehfy9g) ([2.98.13.100]) by out1.ip08ir2.opaltelecom.net with SMTP; 19 May 2010 18:48:31 +0100 Message-ID: <007201caf77b$7f1c0020$0301a8c0@your91hoehfy9g> From: "mal hamilton" To: References: <004801caf760$dfb591a0$0301a8c0@your91hoehfy9g> Date: Wed, 19 May 2010 18:48:30 +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 X-Spam-Score: 0.2 (/) X-Spam-Report: autolearn=disabled,RCVD_ILLEGAL_IP=0.234 Subject: LF: Re: Re: Dreamers9 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d60504bf424af7f0b X-AOL-IP: 193.82.116.20 Jim I was looking for a more positive response like signal strength of sigs from RSDDN-20. and who exactly is receiving them. de mal/g3kev ----- Original Message ----- From: "James Moritz" To: Sent: Wednesday, May 19, 2010 4:33 PM Subject: LF: Re: Dreamers9 > Dear Mal, LF Group, > > Omega was decommissioned around 1997 I think - so it would be quite > suprising if anyone were able to receive these beacons at any strength! > > The Russian RSDN-20 "Alpha" beacons in this frequency range are still in > operation, although sometimes shut down for varying periods, as mentioned on > this reflector during the last few days. They are usually readily audible in > the UK when they are QRV. > > Cheers, Jim Moritz > 73 de M0BMU > > ----- Original Message ----- > From: "mal hamilton" > To: "rsgb" > Sent: Wednesday, May 19, 2010 3:37 PM > Subject: LF: Dreamers9 > > > LF/MF > How many are receiving the Omega signals on 11, 12 kcs area and at what > strength. This would indicate how they might RX on 9 kcs. > mal/g3kev > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-mj02.r1000.mx.aol.com (mtain-mj02.r1000.mail.aol.com [172.21.164.86]) by air-da01.mail.aol.com (v129.4) with ESMTP id MAILINDA013-86394be1d5c13ce; Wed, 05 May 2010 16:32:01 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-mj02.r1000.mx.aol.com (Internet Inbound) with ESMTP id A828A380000EE; Wed, 5 May 2010 16:31:59 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1O9lF5-0000rN-5d for rs_out_1@blacksheep.org; Wed, 05 May 2010 21:30:51 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1O9lF4-0000rE-Po for rsgb_lf_group@blacksheep.org; Wed, 05 May 2010 21:30:50 +0100 Received: from fmmailgate06.web.de ([217.72.192.247]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1O9lF1-00010k-Mh for rsgb_lf_group@blacksheep.org; Wed, 05 May 2010 21:30:50 +0100 Received: from mwmweb080 ( [172.20.18.98]) by fmmailgate06.web.de (Postfix) with ESMTP id C03F4111D37 for ; Wed, 5 May 2010 22:27:45 +0200 (CEST) Received: from [84.63.107.27] by mwmweb080 with HTTP; Wed May 05 22:27:45 CEST 2010 From: =?ISO-8859-15?Q?Horst_St=F6cker?= Message-ID: <23321360.954209.1273091265781.JavaMail.fmail@mwmweb080> Date: Wed, 5 May 2010 22:27:45 +0200 (CEST) To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-UI-Message-Type: mail In-Reply-To: <254e4.c9d8304.3913234c@aol.com> References: <254e4.c9d8304.3913234c@aol.com> X-Priority: 3 Importance: normal Sensitivity: Normal X-Provags-ID: V01U2FsdGVkX1+M6CWSc1M6adQWWDNzHQqoKDx27HOQ6buJjI9YjZ0v6f2+q1r6gle8 na2vy04aKpYb5JZtUM6X+DK6zuKB25PIC9hjDYkCgK8P7rlRvZQ4Bg== X-Spam-Score: 1.6 (+) X-Spam-Report: autolearn=disabled,HTML_IMAGE_ONLY_24=0.93,HTML_MESSAGE=0.001,HTML_MIME_NO_HTML_TAG=0.512,MIME_HTML_ONLY=0.001,MIME_HTML_ONLY_MULTI=0,MPART_ALT_DIFF=0.137 Subject: Re: LF: DI2AN tonight in QRSS 10 Content-Type: multipart/alternative; boundary="part1_254e4.c9d8304.3913234c_boundary" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: **** X-Spam-Status: No, hits=4.7 required=5.0 tests=HTML_60_70,HTML_IMAGE_ONLY_08, HTML_MESSAGE,HTML_MIME_NO_HTML_TAG,MIME_HTML_ONLY, MIME_HTML_ONLY_MULTI,PRIORITY_NO_NAME autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039400c89a44be1d5bf1a4b X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) --part1_254e4.c9d8304.3913234c_boundary Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 7bit X-UI-ATTACHMENT-ID-POSTFIX: 9f81e8b1-77b6-45e4-bdbe-ded38e811445 Frequency is 505,15 - sorry.
Horst

Von: F4DTL@aol.com
Gesendet: 05.05.2010 21:38:52
An: rsgb_lf_group@blacksheep.org
Betreff: Re: LF: DI2AN tonight in QRSS 10

Hello Horst,nice but what's your frequency in QRSS10

F4DTL Nicolas

Dans un e-mail daté du 05/05/2010 18:17:21 Paris, Madrid (heure d'été), horst.stoecker@web.de a écrit :

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--part1_254e4.c9d8304.3913234c_boundary-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-mb06.r1000.mx.aol.com (mtain-mb06.r1000.mx.aol.com [172.29.96.26]) by air-dd10.mail.aol.com (v129.4) with ESMTP id MAILINDD102-86384bdd46682ab; Sun, 02 May 2010 05:31:20 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-mb06.r1000.mx.aol.com (Internet Inbound) with ESMTP id 5FE193800009C; Sun, 2 May 2010 05:31:19 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1O8VUh-0004fv-Hz for rs_out_1@blacksheep.org; Sun, 02 May 2010 10:29:47 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1O8VUg-0004fm-Ui for rsgb_lf_group@blacksheep.org; Sun, 02 May 2010 10:29:46 +0100 Received: from mail-wy0-f171.google.com ([74.125.82.171]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1O8VUe-0003we-4Z for rsgb_lf_group@blacksheep.org; Sun, 02 May 2010 10:29:46 +0100 Received: by wyf23 with SMTP id 23so942256wyf.16 for ; Sun, 02 May 2010 02:29:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=domainkey-signature:mime-version:received:sender:received :in-reply-to:references:date:x-google-sender-auth:message-id:subject :from:to:content-type; bh=OfdqTXJ0HnNjK61aMSVDWQjoEVOPkVR9nRfvnVcndnk=; b=SOYNJ1FPHT9M2LZkGE0bDlOjVZweKmPqMvqURdQUqMVEzB85+mQoGXIdSupWTdADnU DvfsJLPx1oNuvJ2AR+fKGNnja9tC/7Djvbi3bxViq+BW++sF92hYQw+Nmeg5KrW/PNOM KQg78xFJs051WUh6a4nY+6ctpuP703WjKQ5/0= DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:content-type; b=Q6E18M3A5KAdGIr80FFQhjjCzrkPHww4SJAFTziRlWTAbrsKO1aM11FOp/O/dq7fN3 oGDjHQmjHAF4nQRdFoK+TtzmEhS56yzfrJ0WY0uFEXv7eR+8DNT6e8JypR/3Go4UkFdp Nq3Ylr06Ivw76wjbn/pBQ2bJgLVb6I6lEEQS8= MIME-Version: 1.0 Received: by 10.216.88.208 with SMTP id a58mr4185871wef.35.1272792577934; Sun, 02 May 2010 02:29:37 -0700 (PDT) Received: by 10.216.175.8 with HTTP; Sun, 2 May 2010 02:29:37 -0700 (PDT) In-Reply-To: <64502806.20100502011244@mterrier.net> References: <64502806.20100502011244@mterrier.net> Date: Sun, 2 May 2010 10:29:37 +0100 X-Google-Sender-Auth: 3b7a1f41a37a8378 Message-ID: From: Gary - G4WGT To: rsgb_lf_group@blacksheep.org DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001,UPPERCASE_25_50=0 Subject: Re: LF: ROS 503.600kHz beacon Content-Type: multipart/alternative; boundary=0016e6d99e547b05dc0485991d7b X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.7 required=5.0 tests=HTML_20_30,HTML_MESSAGE, UPPERCASE_25_50 autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G X-AOL-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-d234.2 ; domain : googlemail.com DKIM : fail x-aol-sid: 3039ac1d601a4bdd46672a7e X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) --0016e6d99e547b05dc0485991d7b Content-Type: text/plain; charset=ISO-8859-1 Hi All, Thanks for the reports & QSO attempt. Michel - F5WK Nicolas - F4DTL Rik - OR7T/ON7YD Gerhard - DK6NI and Jim - M0BMU for QSO attempt which produced 2 full frames on my ROS display, sorry Jim but I had just left the shack & gone downstairs & missed your call :- TX1: <21:10 UTC> G4WGT TEST IO83QO RX1: <21:12 UTC> <43.9 Hz> G4WGT DE M0BMU HW? KKK <-18 dB> RX1: <21:18 UTC> <43.9 Hz> G4WGT DE M0BMU HW? K <-18 dB> Perhaps tonight Jim. 73 Gary - G4WGT On 2 May 2010 00:12, Michel F5WK wrote: > Hello Gary, > > Good conditions tonight: > > RX1: <20:15 UTC> <-344,7 Hz> G4WGT TEST IO83QO <-29 dB> > RX1: <20:20 UTC> <-344,2 Hz> G4WGT TEST IO83QO <-25 dB> > RX1: <20:25 UTC> <-344,2 Hz> G4WGT TEST IO83QO <-30 dB> > RX1: <20:30 UTC> <-344,2 Hz> G4WGT TEST IO83QO <-15 dB> > RX1: <20:35 UTC> <-344,2 Hz> G4WGT TEST IO83QO <-19 dB> > RX1: <20:40 UTC> <-344,2 Hz> G4WGT TEST IO83QO <-18 dB> > RX1: <20:45 UTC> <-343,8 Hz> G4WGT TEST IO83QO <-21 dB> > RX1: <20:50 UTC> <-343,8 Hz> G4WGT TEST IO83QO <-17 dB> > RX1: <20:55 UTC> <-343,8 Hz> G4WGT TEST IO83QO <-26 dB> > RX1: <21:00 UTC> <-343,8 Hz> G4WGT TEST IO83QO <-19 dB> > RX1: <21:05 UTC> <-343,8 Hz> G4WGT TEST IO83QO <-18 dB> > RX1: <21:10 UTC> <-343,3 Hz> G4WGT TEST IO83QO <-16 dB> > RX1: <21:12 UTC> <-111,8 Hz> 5? Z%A%EJ4$T9_*>>LS1^8TIB <-36 dB> > RX1: <21:18 UTC> <-299,3 Hz> G4WGT DE M0BMU HW? K <-12 dB> > > ROS didn't decode the first transmission of M0BMU at 21:12 UTC which was > really strong at that time (S5 with an average S1 noise level) > It looks like ROS synchronized on another transmission instead (G0NBD ?) > and once locked, cannot decode another simultaneous transmissions. > > 73 > > Michel - f5wk > > > Hi LF, > > > Again running ROS v3.5.1 data mode beacon in EME mode with a little more > power. > > > Tx frequency 503.600 kHz > > Dial 502.050 kHz USB > > Tx power 10 watts > > ERP estimated 50 mW > > 5 minute increments > > > Reports & QSO attempts welcome. > > > 73 > > > Gary - G4WGT > > > --0016e6d99e547b05dc0485991d7b Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Hi All,

Thanks for the reports & QSO attempt.

Michel - F5WK

Nicolas - F4DTL

Rik= - OR7T/ON7YD

Gerhard - DK6NI

and

Jim - M0BM= U for QSO attempt which produced 2 full frames on my ROS display, sorry Ji= m but I had just left the shack & gone downstairs & missed your ca= ll :-

TX1: <21:10 UTC> G4WGT TEST IO83QO =A0<S= TOP>

RX1: <21:12 UTC> <43.9 Hz> G4WGT DE M0BMU HW= ? KKK <STOP> <-18 dB>

RX1: <21:18 UTC> <43.= 9 Hz> G4WGT DE M0BMU HW? K <STOP> <-18 dB>

Perhaps tonight Jim.

Gary - G4WGT

On 2 May 2010 00:12, Michel F5WK <f5wk@mterrier.net> wrote:

Hello Gary,

Good conditions tonight:

RX1: <20:15 UTC> <-344,7 Hz> G4WGT TEST IO83QO =A0<STOP>= <-29 dB>
RX1: <20:20 UTC> <-344,2 Hz> G4WGT TEST IO83QO =A0<STOP>= <-25 dB>
RX1: <20:25 UTC> <-344,2 Hz> G4WGT TEST IO83QO =A0<STOP>= <-30 dB>
RX1: <20:30 UTC> <-344,2 Hz> G4WGT TEST IO83QO =A0<STOP>= <-15 dB>
RX1: <20:35 UTC> <-344,2 Hz> G4WGT TEST IO83QO =A0<STOP>= <-19 dB>
RX1: <20:40 UTC> <-344,2 Hz> G4WGT TEST IO83QO =A0<STOP>= <-18 dB>
RX1: <20:45 UTC> <-343,8 Hz> G4WGT TEST IO83QO =A0<STOP>= <-21 dB>
RX1: <20:50 UTC> <-343,8 Hz> G4WGT TEST IO83QO =A0<STOP>= <-17 dB>
RX1: <20:55 UTC> <-343,8 Hz> G4WGT TEST IO83QO =A0<STOP>= <-26 dB>
RX1: <21:00 UTC> <-343,8 Hz> G4WGT TEST IO83QO =A0<STOP>= <-19 dB>
RX1: <21:05 UTC> <-343,8 Hz> G4WGT TEST IO83QO =A0<STOP>= <-18 dB>
RX1: <21:10 UTC> <-343,3 Hz> G4WGT TEST IO83QO =A0<STOP>= <-16 dB>
RX1: <21:12 UTC> <-111,8 Hz> 5? Z%A%EJ4$T9_*>>LS1^8TIB= <CANCEL> <-36 dB>
RX1: <21:18 UTC> <-299,3 Hz> G4WGT DE M0BMU HW? K <STOP>= <-12 dB>

ROS didn't decode the first transmission of M0BMU at 21:12 UTC which= was
really strong at that time (S5 with an average S1 noise level)
It looks like ROS synchronized on another transmission instead (G0NBD ?) and once locked, cannot decode another simultaneous transmissions.

73

Michel - f5wk

> Hi LF,

> Again running ROS v3.5.1 data mode beacon in EME mode with a little= more power.

> Tx frequency 503.600 kHz
> Dial 502.050 kHz USB
> Tx power 10 watts
> ERP estimated 50 mW
> 5 minute increments

> Reports & QSO attempts welcome.

> 73

> Gary =A0- G4WGT

--0016e6d99e547b05dc0485991d7b-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-mb01.r1000.mx.aol.com (mtain-mb01.r1000.mx.aol.com [172.29.96.21]) by air-dc05.mail.aol.com (v129.4) with ESMTP id MAILINDC051-86014c040a0c59; Mon, 31 May 2010 15:12:12 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-mb01.r1000.mx.aol.com (Internet Inbound) with ESMTP id 2D36C38000097; Mon, 31 May 2010 15:12:11 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OJANq-0007PM-JM for rs_out_1@blacksheep.org; Mon, 31 May 2010 20:10:46 +0100 Received: from [83.244.159.144] (helo=relay3.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OJANq-0007PD-3K for rsgb_lf_group@blacksheep.org; Mon, 31 May 2010 20:10:46 +0100 Received: from out1.ip08ir2.opaltelecom.net ([62.24.128.244]) by relay3.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OJANo-0004wG-21 for rsgb_lf_group@blacksheep.org; Mon, 31 May 2010 20:10:46 +0100 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AiULAKOmA0xcEYr6/2dsb2JhbACHXYpEjAdxv2qFFgQ X-IronPort-AV: E=Sophos;i="4.53,335,1272841200"; d="scan'208";a="449659543" Received: from unknown (HELO xphd97xgq27nyf) ([92.17.138.250]) by out1.ip08ir2.opaltelecom.net with SMTP; 31 May 2010 20:09:35 +0100 Message-ID: <008501cb00f4$cf350610$0401a8c0@xphd97xgq27nyf> From: "mal hamilton" To: References: <000a01caff29$8f7ebbf0$0401a8c0@xphd97xgq27nyf> <4C039BFA.1070206@iup.uni-heidelberg.de> <002d01cb00e9$736044e0$0401a8c0@xphd97xgq27nyf> <005001cb00ec$705a2970$0201a8c0@Clemens04> Date: Mon, 31 May 2010 20:09:35 +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 V6.00.2600.0000 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: ALPHA Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d60154c040a0b450d X-AOL-IP: 193.82.116.20 Nil here either g3kev ----- Original Message ----- From: "Clemens Paul" To: Sent: Monday, May 31, 2010 7:09 PM Subject: Re: LF: ALPHA > > Is it still on this evening > > Just now,18.00 UTC, no alphas there. > Usually they are quite good audible (and even more visible) here > with E1800,Perseus and even with a Sony CRF-1 on a long wire > and probably as well on the new installed miniwhip. > > 73 > Clemens > DL4RAJ > > ----- Original Message ----- > From: "mal hamilton" > To: > Sent: Monday, May 31, 2010 7:48 PM > Subject: Re: LF: ALPHA > > > > Stefan > > Is it still on this evening > > mal/g3kev > > > > From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-mb02.r1000.mx.aol.com (mtain-mb02.r1000.mx.aol.com [172.29.96.22]) by air-ma05.mail.aol.com (v129.4) with ESMTP id MAILINMA051-b5244bfaab682d4; Mon, 24 May 2010 12:38:00 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-mb02.r1000.mx.aol.com (Internet Inbound) with ESMTP id BAFAA38000103; Mon, 24 May 2010 12:37:58 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OGadm-0002Oi-0R for rs_out_1@blacksheep.org; Mon, 24 May 2010 17:36:34 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OGadl-0002OZ-6W for rsgb_lf_group@blacksheep.org; Mon, 24 May 2010 17:36:33 +0100 Received: from mail-bw0-f43.google.com ([209.85.214.43]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OGadi-0008Fy-12 for rsgb_lf_group@blacksheep.org; Mon, 24 May 2010 17:36:33 +0100 Received: by bwz16 with SMTP id 16so1080337bwz.16 for ; Mon, 24 May 2010 09:36:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:content-type; bh=hyRS/ccnUn3+WaKRLZoAYV9x+/EJXGQB09pPPxQr2Tw=; b=BiIKWUmTXeuGAkB/UOAnH7Sd9EN739OhDSgqkNr2UBm5T2IBxyPK1hVQLeNvMUBpgB 3gZi2SxdQUpDNFA9f/03Zxvw+Q3/sZJmOa3iZYwcmBrjf7ZmmLIOVNZLY0o4S8aBsuhd J/ahGm4BCjqTSmGV+Nabd3U+XWTeCMLEl8ffo= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=BHbHOoq086QQdzn33kt28IYtlxyonAVtMXwP0pZezAiSFABbnr7vR+0a3WvKmGSIPh aQAhjZGFtEzquGOujdlPD5Ybm/gAHiei5cW4U78YpSi8qJd3z8yISze+jgFCBrQtU65D m6SlE6SQjSC9i0Q+TCPJPrwCKE/Utpdk0jokQ= MIME-Version: 1.0 Received: by 10.204.140.70 with SMTP id h6mr2311753bku.1.1274718988554; Mon, 24 May 2010 09:36:28 -0700 (PDT) Received: by 10.204.58.204 with HTTP; Mon, 24 May 2010 09:36:28 -0700 (PDT) In-Reply-To: <38A51B74B884D74083D7950AD0DD85E82A1C00@File-Server-HST.hst.e-technik.tu-darmstadt.de> References: <38A51B74B884D74083D7950AD0DD85E82A1C00@File-Server-HST.hst.e-technik.tu-darmstadt.de> Date: Mon, 24 May 2010 17:36:28 +0100 Message-ID: From: Roger Lapthorn To: rsgb_lf_group@blacksheep.org DomainKey-Status: good (testing) X-Spam-Score: 0.9 (/) X-Spam-Report: autolearn=disabled,HTML_10_20=0.945,HTML_MESSAGE=0.001 Subject: Re: LF: AW: 8.97kHz - Near field and radiated signals? Content-Type: multipart/alternative; boundary=0015174c424e80519e048759a498 X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=HTML_MESSAGE autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G X-AOL-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-m250.1 ; domain : gmail.com DKIM : pass x-aol-sid: 3039ac1d60164bfaab660601 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) --0015174c424e80519e048759a498 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Thank you for your fast reply Stefan. In answer to your questions: - Currently, my *TX electrode spacing is 10m*, which is the best I can manage in my small garden. Both electrodes are as far away from the mai= ns and other utility services as I can manage. - I have *not tried /P* transmit testing yet. - My *nearest ham who will listen/look is 3kms away*, but using beaconi= ng I am able to go out myself and see how far I can reach. This is what I= have done so far, going out into the fields behind my house with electrode= pairs or a loop receiver. Best (by ear reception) DX is 0.35kms, but the syst= em has much scope for optimisation still. - The largest single turn loop I could erect in my garden would be abou= t 50-70 sq m (about 15m top and 4m-5m high). The longest antenna length= would also be 15m horizontal with some vertical section(s) too. - The best DX targets are quite modest: I would like to exceed 1km initially with the TX power I currently have (around 4W). If I could re= ach G6ALB in the next village 3kms away I would be delighted. If I got any further I would be both amazed and VERY happy! 73s Roger G3XBM 2010/5/24 Stefan Sch=E4fer > Hello Roger, > > For your ground electrodes, ground electrodes may be the best "antenna"= in > some 10...10m. I'm not sure how to calculate field strengths but i just= know > about the 1/d^3 dependency, so twice the distance means 8 times the powe= r > for the same signal reception, in the near field. But it is the question > what are the electrodes since there is ever a coupling to the mains eart= h > and all the metallic stuff in regions where people are living so this > dependency might not be valid in your tests. As mentioned here, you coul= d > benefit from these conductors... > > But if you want to reach more distance with an antenna of the same size > (e.g. of your garden)and the same power, you could try such a TV > transformer. Take a wire, as long as possible and as high as possible,= and > apply some kV on it by this transformer. It can even be resonated by > adjusting the air gap between the both ferrite parts. That results in a > maximum output voltage and thus "ERP". At least this would be a good > alternative to your ground electrode tests. You could easily compare the > reachable distances. Here i would use a E field antenna for reception in= the > near field. > > How far is your next receiving amateur radio station away? And have you > tried to do such tests outside the village/city, just like Jim does it= with > his loop antenna? This could allow you to increase the distance of your > reception. Here, space is not limited and you could try 2x10m, 2x50m, 2x= 100m > and so on and tell us the difference in the feed point impedance at vari= ous > frequencies and your ODX :-) Maybe i will also do some ground electrode > tests in summer but i am still not sure. The complete receiver of Jim is= a > really good idea to check the QRM situation at a given QTH. Probably i= will > also buit his loop design for such tests... Would be interesing what is= the > maximum distance for a CW reception of my transmitted signal (with the= kite > antenna and 6mW ERP) ;-) > > I will also do some near field tests in this week, to compare the > performance of my 2 grabbers. This will be done here: > http://www.google.de/maps?f=3Dq&source=3Ds_q&hl=3Dde&geocode=3D&q=3Dheil= igenberg+heidelberg&sll=3D47.820666,9.312449&sspn=3D0.106733,0.219383&g=3D= heiligenberg&ie=3DUTF8&hq=3D&hnear=3DHeiligenberg&ll=3D49.419391,8.704101&= spn=3D0.001616,0.003428&t=3Dh&z=3D18in about 1,8km distance to my grabbers= . Power will also be below 100W and > the antenna wire will be mounted on a tower in abt 15m height. I will > transmit with this TV transformer on a 40m wire. > > Roger, what size is your garden? What is the maximum wire length that yo= u > can apply and in which height? What is your goal (best DX, a reals QSO= with > the next equipped station or just do some funny tests?) > > So, wish you fun and success with your experiments! > > 73, Stefan/DK7FC > > PS: What is your locator / QTH? > > --=20 http://g3xbm-qrp.blogspot.com/ http://www.g3xbm.co.uk http://www.youtube.com/user/g3xbm G3XBM GQRP 1678 ISWL G11088 --0015174c424e80519e048759a498 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Thank you for your fast reply Stefan.

In answer to your questions:<= br>

Currently, my TX electrode spacing is 10m, which is the= best I can manage in my small garden. Both electrodes are as far away fro= m the mains and other utility services as I can manage.
I have not tried /P transmit testing yet.
My nea= rest ham who will listen/look is 3kms away, but using beaconing I am= able to go out myself and see how far I can reach. This is what I have do= ne so far, going out into the fields behind my house with electrode pairs= or a loop receiver. Best (by ear reception) DX is 0.35kms, but the system= has much scope for optimisation still.
The largest single turn loop I could erect in my garden would be about= 50-70 sq m (about 15m top and 4m-5m high). The longest antenna length wou= ld also be 15m horizontal with some vertical section(s) too.
The= best DX targets are quite modest: I would like to exceed 1km initially wi= th the TX power I currently have (around 4W). If I could reach G6ALB in th= e next village 3kms away I would be delighted. If I got any further I woul= d be both amazed and VERY happy!

73s
Roger G3XBM

2010/5/= 24 Stefan Sch=E4fer <schaefer@hst.tu-darmstadt.de>
Hello Roger,

For your ground electrodes, ground electrodes may be the best "antenn= a" in some 10...10m. I'm not sure how to calculate field strength= s but i just know about the 1/d^3 dependency, so twice the distance means= 8 times the power for the same signal reception, in the near field. But= it is the question what are the electrodes since there is ever a coupling= to the mains earth and all the metallic stuff in regions where people are= living so this dependency might not be valid in your tests. As mentioned= here, you could benefit from these conductors...

But if you want to reach more distance with an antenna of the same size (e= .g. of your garden)and the same power, you could try such a TV transformer= . Take a wire, as long as possible and as high as possible, and apply some= kV on it by this transformer. It can even be resonated by adjusting the= air gap between the both ferrite parts. That results in a maximum output= voltage and thus "ERP". At least this would be a good alternati= ve to your ground electrode tests. You could easily compare the reachable= distances. Here i would use a E field antenna for reception in the near= field.

How far is your next receiving amateur radio station away? And have you tr= ied to do such tests outside the village/city, just like Jim does it with= his loop antenna? This could allow you to increase the distance of your= reception. Here, space is not limited and you could try 2x10m, 2x50m, 2x1= 00m and so on and tell us the difference in the feed point impedance at va= rious frequencies and your ODX :-) Maybe i will also do some ground electr= ode tests in summer but i am still not sure. The complete receiver of Jim= is a really good idea to check the QRM situation at a given QTH. Probably= i will also buit his loop design for such tests... Would be interesing wh= at is the maximum distance for a CW reception of my transmitted signal (wi= th the kite antenna and 6mW ERP) ;-)

I will also do some near field tests in this week, to compare the performa= nce of my 2 grabbers. This will be done here: http://www.google.de/maps?f=3Dq&source=3Ds_q&hl= =3Dde&geocode=3D&q=3Dheiligenberg+heidelberg&sll=3D47.820666,9= .312449&sspn=3D0.106733,0.219383&g=3Dheiligenberg&ie=3DUTF8&am= p;hq=3D&hnear=3DHeiligenberg&ll=3D49.419391,8.704101&spn=3D0.0= 01616,0.003428&t=3Dh&z=3D18 in about 1,8km distance to my grab= bers. Power will also be below 100W and the antenna wire will be mounted= on a tower in abt 15m height. I will transmit with this TV transformer on= a 40m wire.

Roger, what size is your garden? What is the maximum wire length that you= can apply and in which height? What is your goal (best DX, a reals QSO wi= th the next equipped station or just do some funny tests?)

So, wish you fun and success with your experiments!

73, Stefan/DK7FC

PS: What is your locator / QTH?

--
http://g3xbm-qrp.blogspot.com/
http://www.g3xbm.co.uk
http://www.youtube.com/user/g3xbm
G3XBM =A0 =A0GQRP 1678 =A0 =A0 =A0ISWL G11088
--0015174c424e80519e048759a498-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-md06.r1000.mx.aol.com (mtain-md06.r1000.mx.aol.com [172.29.96.90]) by air-me04.mail.aol.com (v129.4) with ESMTP id MAILINME041-8bac4bdc14ad1c2; Sat, 01 May 2010 07:46:53 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-md06.r1000.mx.aol.com (Internet Inbound) with ESMTP id 97CC93800007E; Sat, 1 May 2010 07:46:51 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1O8B8O-0001iJ-MQ for rs_out_1@blacksheep.org; Sat, 01 May 2010 12:45:24 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1O8B8O-0001iA-81 for rsgb_lf_group@blacksheep.org; Sat, 01 May 2010 12:45:24 +0100 Received: from warsl404pip5.highway.telekom.at ([195.3.96.77] helo=email.aon.at) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1O8B8M-00020S-6W for rsgb_lf_group@blacksheep.org; Sat, 01 May 2010 12:45:24 +0100 Received: (qmail 30379 invoked from network); 1 May 2010 11:45:15 -0000 Received: from 188-23-68-159.adsl.highway.telekom.at (HELO [192.168.1.101]) ([188.23.68.159]) (envelope-sender ) by smarthub98.highway.telekom.at (qmail-ldap-1.03) with SMTP for ; 1 May 2010 11:45:15 -0000 From: Gerhard Hickl To: "rsgb_lf_group@blacksheep.org" Date: Sat, 01 May 2010 13:45:15 +0200 Message-ID: <1272714315.10002.1.camel@gerhard-desktop> Mime-Version: 1.0 X-Mailer: Evolution 2.28.1 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: LF: CW-Beaconing 137.610 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=TO_ADDRESS_EQ_REAL autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d605a4bdc14ab36e3 X-AOL-IP: 193.82.116.20 Good afternoon! I'm beaconing on 137.610 in CW for a while. Antenna-Input is about 100W. Cheers OE3GHB Gerhard From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-di11.r1000.mx.aol.com (mtain-di11.r1000.mx.aol.com [172.29.64.15]) by air-mb03.mail.aol.com (v129.4) with ESMTP id MAILINMB033-a21e4bfce3c65a; Wed, 26 May 2010 05:03:02 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-di11.r1000.mx.aol.com (Internet Inbound) with ESMTP id AEF1E3800009F; Wed, 26 May 2010 05:03:00 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OHCV2-0002je-I3 for rs_out_1@blacksheep.org; Wed, 26 May 2010 10:02:04 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OHCV2-0002jV-1G for rsgb_lf_group@blacksheep.org; Wed, 26 May 2010 10:02:04 +0100 Received: from cavuit01.kulnet.kuleuven.be ([134.58.240.43]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OHCUy-0003Em-QF for rsgb_lf_group@blacksheep.org; Wed, 26 May 2010 10:02:04 +0100 Received: from smtps02.kuleuven.be (smtpshost02.kulnet.kuleuven.be [134.58.240.75]) by cavuit01.kulnet.kuleuven.be (Postfix) with ESMTP id 288587B80DD for ; Wed, 26 May 2010 11:01:43 +0200 (CEST) Received: from ICTS-S-HUB-N4.luna.kuleuven.be (icts-s-hub-n4.luna.kuleuven.be [10.112.9.14]) by smtps02.kuleuven.be (Postfix) with ESMTP id DF6FCF3865 for ; Wed, 26 May 2010 11:01:42 +0200 (CEST) Received: from ICTS-S-EXC2-CA.luna.kuleuven.be ([10.112.11.13]) by ICTS-S-HUB-N4.luna.kuleuven.be ([10.112.9.14]) with mapi; Wed, 26 May 2010 11:01:43 +0200 X-Kuleuven: This mail passed the K.U.Leuven mailcluster From: Rik Strobbe To: "rsgb_lf_group@blacksheep.org" Date: Wed, 26 May 2010 11:01:43 +0200 Thread-Topic: LF: AW: 8.97kHz - Near field and radiated signals? Thread-Index: Acr8sBbpAP4mcABfR7m2usSE3PTu5wAAN/VF Message-ID: References: <38A51B74B884D74083D7950AD0DD85E82A1C00@File-Server-HST.hst.e-technik.tu-darmstadt.de>

, In-Reply-To: Accept-Language: nl-NL, nl-BE Content-Language: nl-BE X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: nl-NL, nl-BE MIME-Version: 1.0 X-KULeuven-Information: Katholieke Universiteit Leuven X-KULeuven-Scanned: Found to be clean X-KULeuven-Envelope-From: rik.strobbe@fys.kuleuven.be X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: RE: LF: AW: 8.97kHz - Near field and radiated signals? Content-Type: multipart/alternative; boundary="_000_BF4A524700075746A6467658DFC7102C5106464EEBICTSSEXC2CAlu_" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.8 required=5.0 tests=HTML_30_40,HTML_MESSAGE, TO_ADDRESS_EQ_REAL autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d400f4bfce3c46a0f X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) --_000_BF4A524700075746A6467658DFC7102C5106464EEBICTSSEXC2CAlu_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Roger, sorry, I made a mistake. in the near field the H field drops 40dB/decade and the E-field drops 60dB= /decade. Assuming the ground antenna acts as a loop (=3D H-field) the signal drop= between 0.4km and 3km will be 35dB. The defintion of near field is vague, depending on the source it goes from= 0.1 wavelength to 1 wavelength. But at 1kHz even 0.1 lambda is 30km, so you are defenitely in the near fie= ld. 73, Rik ON7YD - OR7T ________________________________ Van: owner-rsgb_lf_group@blacksheep.org [owner-rsgb_lf_group@blacksheep.or= g] namens Roger Lapthorn [rogerlapthorn@gmail.com] Verzonden: woensdag 26 mei 2010 10:43 Aan: rsgb_lf_group@blacksheep.org Onderwerp: Re: LF: AW: 8.97kHz - Near field and radiated signals? Rick (et al), I am confused by the near field attenuation rates quoted. Some quote 18dB= for doubling distance which would mean an additional path loss of 56dB go= ing from 0.4km to 3km. This makes a lot of difference to what may or may= not be possible. Which is the correct figure? Help! 73s Roger G3XBM On 26 May 2010 09:31, Rik Strobbe > wrote: Roger, the near fiels signal drops with the 3rd power of the distance. So 3km versus 0.4km =3D 422 times weaker =3D -26dB Going from regular CW to QRSS30 will give you a 24dB benefit, so there is= a fair chance to be copied at 3km in this mode. Of course the signal need= s to be very frequency stable, it has to be better than an free running os= cillator. Moving up in frequency would also help. And if you can lay your hands on an old stereo amp it would provide an ext= ra 10dB TX power. Even if your goal is regular CW over a 3km path, starting with QRSS will= most likely give a visible signal at 3km and allow you to watch any progr= ess. 73, Rik ON7YD - OR7T - The best DX targets are quite modest: I would like to exceed 1km initially with the TX power I currently have (around 4W). If I could reac= h G6ALB in the next village 3kms away I would be delighted. If I got any further I would be both amazed and VERY happy! -- http://g3xbm-qrp.blogspot.com/ http://www.g3xbm.co.uk http://www.youtube.com/user/g3xbm G3XBM GQRP 1678 ISWL G11088 --_000_BF4A524700075746A6467658DFC7102C5106464EEBICTSSEXC2CAlu_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Roger,

sorry, I made a mistake.

in the near field the H field drops= 40dB/decade and the E-field drops 60dB/decade.

Assuming the ground antenna acts as= a loop (=3D H-field) the signal drop between 0.4km and 3km will be 35dB.<= /font>

The defintion of near field is vague= , depending on the source it goes from 0.1 wavelength to 1 wavelength.

But at 1kHz even 0.1 lambda is 30km,= so you are defenitely in the near field.

73, Rik ON7YD - OR7T

Van: owner-rsgb_= lf_group@blacksheep.org [owner-rsgb_lf_group@blacksheep.org] namens Roger= Lapthorn [rogerlapthorn@gmail.com]
Verzonden: woensdag 26 mei 2010 10:43
Aan: rsgb_lf_group@blacksheep.org
Onderwerp: Re: LF: AW: 8.97kHz - Near field and radiated signals?

Rick (et al),

I am confused by the near field attenuation rates quoted. Some quote 18= dB for doubling distance which would mean an additional path loss of= 56dB going from 0.4km to 3km. This makes a lot of difference to what may= or may not be possible.

Which is the correct figure? Help!

73s
Roger G3XBM

On 26 May 2010 09:31, Rik Strobbe <Rik.Strobbe@fys.ku= leuven.be> wrote:

Roger,

the near fiels signal drops with the= 3rd power of the distance.

So 3km versus 0.4km =3D 422 times weak= er =3D -26dB

Going from regular CW to QRSS30 will= give you a 24dB benefit, so there is a fair chance to be copied at 3km in= this mode. Of course the signal needs to be very frequency stable, it has= to be better than an free running oscillator.

Moving up in frequency would also help= .

And if you can lay your hands on an ol= d stereo amp it would provide an extra 10dB TX power.

Even if your goal is regular CW over&n= bsp;a 3km path, starting with QRSS will most likely give a visible signal= at 3km and allow you to watch any progress.

73, Rik ON7YD - OR7T

- The best DX targets are quite modest: I would like to exceed 1k= m

initially with the TX power I currently have (around 4W). If I could= reach
G6ALB in the next village 3kms away I would be delighted. If I got= any
further I would be both amazed and VERY happy!

--
http://g3xbm-= qrp.blogspot.com/
http://www.g3xbm.co.u= k
http://www= .youtube.com/user/g3xbm
G3XBM GQRP 1678 ISWL G11088

--_000_BF4A524700075746A6467658DFC7102C5106464EEBICTSSEXC2CAlu_-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-ma02.r1000.mx.aol.com (mtain-ma02.r1000.mx.aol.com [172.29.96.10]) by air-de01.mail.aol.com (v129.4) with ESMTP id MAILINDE012-5ea34bef08c4390; Sat, 15 May 2010 16:49:08 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-ma02.r1000.mx.aol.com (Internet Inbound) with ESMTP id D01ED38000132; Sat, 15 May 2010 16:49:06 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ODOHW-0002FZ-Is for rs_out_1@blacksheep.org; Sat, 15 May 2010 21:48:22 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ODOHW-0002FQ-5J for rsgb_lf_group@blacksheep.org; Sat, 15 May 2010 21:48:22 +0100 Received: from lnx500.hrz.tu-darmstadt.de ([130.83.156.225]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1ODOHU-0006PC-0I for rsgb_lf_group@blacksheep.org; Sat, 15 May 2010 21:48:22 +0100 Received: from FILE-SERVER-HST.hst.e-technik.tu-darmstadt.de (File-Server-HST.hst.e-technik.tu-darmstadt.de [130.83.212.129]) by lnx500.hrz.tu-darmstadt.de (8.14.4/8.14.4/HRZ/PMX) with SMTP id o4FKmHDR002891 for ; Sat, 15 May 2010 22:48:17 +0200 (envelope-from schaefer@hst.tu-darmstadt.de) Received: from [127.0.0.1] (helo=File-Server-HST.hst.e-technik.tu-darmstadt.de) by FILE-SERVER-HST.hst.e-technik.tu-darmstadt.de with AVK MailGateway; for ; Sat, 15 May 2010 22:48:17 +0200 Date: Sat, 15 May 2010 22:45:36 +0200 MIME-Version: 1.0 Message-ID: <38A51B74B884D74083D7950AD0DD85E82A1BEF@File-Server-HST.hst.e-technik.tu-darmstadt.de> X-MS-Has-Attach: Content-class: urn:content-classes:message X-MS-TNEF-Correlator: <38A51B74B884D74083D7950AD0DD85E82A1BEF@File-Server-HST.hst.e-technik.tu-darmstadt.de> X-MimeOLE: Produced By Microsoft Exchange V6.5 Thread-Topic: LF: ref LD30 Thread-Index: Acr0K1wbyANUfadxSzKQ2s5PRSiAzwARDZF9 References: <002701caf394$44cbd980$0401a8c0@xphd97xgq27nyf> <4BEE8B1B.502@iup.uni-heidelberg.de> <4BEE8E75.3050506@iup.uni-heidelberg.de> <001101caf42a$e6d987e0$0401a8c0@xphd97xgq27nyf> From: =?iso-8859-1?Q?Stefan_Sch=E4fer?= To: X-AVK-Virus-Check: AVB 21.54;15.05.2010 X-PMX-TU: seen v0.99a by 5.5.9.395186, Antispam-Engine: 2.7.2.376379, Antispam-Data: 2010.5.15.203315 X-PMX-RELAY: mailout X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: AW: LF: ref LD30 Content-Type: multipart/mixed; boundary="----_=_NextPart_001_01CAF46F.F232D5AC" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G X-AOL-VSS-INFO: 5400.1158/58632 X-AOL-VSS-CODE: clean x-aol-sid: 3039ac1d600a4bef08c27259 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) ------_=_NextPart_001_01CAF46F.F232D5AC Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Mal,=20 =20 That's fine! So you could use 1mm diameter enamelled wire for minimal loss= es. Also the HV will be rather smaller. Sounds promising... =20 73, GL =20 Stefan/DK7FC =20 ________________________________ Von: owner-rsgb_lf_group@blacksheep.org im Auftrag von mal hamilton Gesendet: Sa 15.05.2010 14:34 An: rsgb_lf_group@blacksheep.org Betreff: Re: LF: ref LD30 Stefan My Loading coil inductance at 137 is around 0.5mH therefore at 9 kHz it sh= ould be roughly 116 mH. Not such a big coil in my case. Tnx info de Mal/g3kev =20 ----- Original Message -----=20 From: Stefan Sch=E4fer = =20 To: rsgb_lf_group@blacksheep.org=20 Sent: Saturday, May 15, 2010 1:07 PM Subject: Re: LF: ref LD30 ...means L(9kHz) =3D L(137kHz)*232 =20 =20 =20 =20 Am 15.05.2010 13:52, schrieb Stefan Sch=E4fer:=20 Mal,=20 =20 I assume you know your antenna capacitance so you can easily calcu= late your needed inductance. Or, if you know your L for 137kHz, it will be= about (137/9)^2 at 9 kHz! =20 Stefan/DK7FC =20 =20 Am 14.05.2010 20:35, schrieb mal hamilton:=20 Well, I am getting 15v sine wave into a 50 ohm DL with the= LD30, this looks promising. All I need now is a 500W audio amp suitably= matched into 50 ohms. I prefer to keep a standard 50 ohm system for measuring purpos= esd. or I could change the 15v to sq wave and build a class D fet amp,= maybe a better approach. If I proceed the Ant system would consist of 3 x inv L antenna= s in parallel, height about 100 ft and each one about 500 ft horizontal. Will have to calculate the loading coil L maybe less than 1 H= with some luck This is just a proposal at present de mal/g3kev =20 =20 =20 ------_=_NextPart_001_01CAF46F.F232D5AC Content-Type: application/ms-tnef; name="winmail.dat" Content-Transfer-Encoding: base64 eJ8+IhIUAQaQCAAEAAAAAAABAAEAAQeQBgAIAAAA5AQAAAAAAADoAAEIgAcAGAAAAElQTS5NaWNy b3NvZnQgTWFpbC5Ob3RlADEIAQ2ABAACAAAAAgACAAEEgAEAEQAAAEFXOiBMRjogcmVmIExEMzAA LgQBBYADAA4AAADaBwUADwAWAC0AJAAGAGIBASCAAwAOAAAA2gcFAA8AFgAwABEABgBSAQEJgAEA IQAAADM1NzY0M0IyRkI2QzU0NDJCNzdGRDZCM0ZBRjg4MkEzAEgHAQOQBgAAFgAAOAAAAAMANgAA AAAAQAA5AHLyX5Jv9MoBHgA9AAEAAAAFAAAAQVc6IAAAAAACAUcAAQAAADEAAABjPURFO2E9IDtw PUhTVDtsPUZJTEUtU0VSVkVSLUhTVC0xMDA1MTUyMDQ4MTdaLTIAAAAAHgBJAAEAAAARAAAAUmU6 IExGOiByZWYgTEQzMAAAAABAAE4AANkd5ir0ygEeAFoAAQAAACMAAABvd25lci1yc2diX2xmX2dy b3VwQGJsYWNrc2hlZXAub3JnAAACAVsAAQAAAGMAAAAAAAAAgSsfpL6jEBmdbgDdAQ9UAgAAAABv d25lci1yc2diX2xmX2dyb3VwQGJsYWNrc2hlZXAub3JnAFNNVFAAb3duZXItcnNnYl9sZl9ncm91 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TUlOSU1BTExPU1NFU0FMU09USEVIVldJTExCRVJBVEhFUlNNQUxMRVJTT1VORFMAAAAAAgF/AAEA AABXAAAAPDM4QTUxQjc0Qjg4NEQ3NDA4M0Q3OTUwQUQwREQ4NUU4MkExQkVGQEZpbGUtU2VydmVy LUhTVC5oc3QuZS10ZWNobmlrLnR1LWRhcm1zdGFkdC5kZT4AAO4l ------_=_NextPart_001_01CAF46F.F232D5AC-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-df01.r1000.mx.aol.com (mtain-df01.r1000.mx.aol.com [172.29.64.213]) by air-db07.mail.aol.com (v129.4) with ESMTP id MAILINDB073-86494c013dea2e7; Sat, 29 May 2010 12:16:42 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-df01.r1000.mx.aol.com (Internet Inbound) with ESMTP id 9193C38000081; Sat, 29 May 2010 12:16:40 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OIOh5-00072F-DF for rs_out_1@blacksheep.org; Sat, 29 May 2010 17:15:27 +0100 Received: from [83.244.159.144] (helo=relay3.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OIOh4-00071a-4F for rsgb_lf_group@blacksheep.org; Sat, 29 May 2010 17:15:26 +0100 Received: from out1.ip09ir2.opaltelecom.net ([62.24.128.245]) by relay3.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OIOh2-0002Kr-2D for rsgb_lf_group@blacksheep.org; Sat, 29 May 2010 17:15:26 +0100 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Av0EACfaAExcEYSa/2dsb2JhbACPFQOPInG9O4UWBA X-IronPort-AV: E=Sophos;i="4.53,323,1272841200"; d="scan'208,217";a="437505718" Received: from unknown (HELO xphd97xgq27nyf) ([92.17.132.154]) by out1.ip09ir2.opaltelecom.net with SMTP; 29 May 2010 17:15:16 +0100 Message-ID: <002801caff4a$19054900$0401a8c0@xphd97xgq27nyf> From: "mal hamilton" To: "rsgb" Date: Sat, 29 May 2010 17:15:04 +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 V6.00.2600.0000 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: LF: VLF SIGS Content-Type: multipart/alternative; boundary="----=_NextPart_000_0025_01CAFF52.7A9ED070" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.2 required=5.0 tests=HTML_50_60,HTML_MESSAGE autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d40d54c013de81498 X-AOL-IP: 193.82.116.20 ------=_NextPart_000_0025_01CAFF52.7A9ED070 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Not calibrated 16.2, 18.1, 19.4, 20.1, 20.7, 21.8, 23.1, 23.8 Khz All the above freqs active rtty type sigs and strong. nil hrd below 16.2 Khz at present No alpha sigs hrd today mal/g3kev ------=_NextPart_000_0025_01CAFF52.7A9ED070 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Not calibrated

16.2, 18.1, 19.4, 20.1, 20.7, 21.8,= 23.1, 23.8=20 Khz

All the above freqs active rtty type= sigs and=20 strong.

nil hrd below 16.2 Khz at present

No alpha sigs hrd today

mal/g3kev

------=_NextPart_000_0025_01CAFF52.7A9ED070-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-di09.r1000.mx.aol.com (mtain-di09.r1000.mx.aol.com [172.29.64.13]) by air-me10.mail.aol.com (v129.4) with ESMTP id MAILINME103-8bc74c028d44219; Sun, 30 May 2010 12:07:32 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-di09.r1000.mx.aol.com (Internet Inbound) with ESMTP id F39EA3800008E; Sun, 30 May 2010 12:07:30 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OIl1y-0005Th-1N for rs_out_1@blacksheep.org; Sun, 30 May 2010 17:06:30 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OIl1x-0005TY-N0 for rsgb_lf_group@blacksheep.org; Sun, 30 May 2010 17:06:29 +0100 Received: from sighthound.demon.co.uk ([80.177.174.126]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OIl1v-0000zK-1y for rsgb_lf_group@blacksheep.org; Sun, 30 May 2010 17:06:29 +0100 Received: from svr1.twatt.home (svr1.twatt.home [192.168.21.3]) by svr1.twatt.home (Postfix) with ESMTP id F10BC3B49A for ; Sun, 30 May 2010 16:06:25 +0000 (UTC) Date: Sun, 30 May 2010 16:06:25 +0000 (UTC) From: John P-G X-X-Sender: gm4slv@svr1.twatt.home To: rsgb_lf_group@blacksheep.org In-Reply-To: <63946.36513.qm@web28108.mail.ukl.yahoo.com> Message-ID: References: <63946.36513.qm@web28108.mail.ukl.yahoo.com> User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) Organization: The Gammy Bird MIME-Version: 1.0 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: What does /L after the call sign mean? Content-Type: MULTIPART/MIXED; BOUNDARY="-1463811307-1138677557-1275235585=:27914" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d400d4c028d424b02 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) ---1463811307-1138677557-1275235585=:27914 Content-Type: TEXT/PLAIN; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable On Sun, 30 May 2010, M0FMT wrote: > =A0 > I am monitoring 70.260 mHz AM call and op frequency > Now /that's/ what I call LF! J=20 ---1463811307-1138677557-1275235585=:27914-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-dj03.r1000.mx.aol.com (mtain-dj03.r1000.mail.aol.com [172.19.187.139]) by air-me08.mail.aol.com (v129.4) with ESMTP id MAILINME081-8bbc4beabc36ee; Wed, 12 May 2010 10:33:26 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-dj03.r1000.mx.aol.com (Internet Inbound) with ESMTP id AFAB6380000CE; Wed, 12 May 2010 10:33:23 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OCCyt-0003B3-Px for rs_out_1@blacksheep.org; Wed, 12 May 2010 15:32:15 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OCCyr-00039Y-Jh for rsgb_lf_group@blacksheep.org; Wed, 12 May 2010 15:32:13 +0100 Received: from mail.gmx.net ([213.165.64.20]) by relay1.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1OCCyl-0005ul-6n for rsgb_lf_group@blacksheep.org; Wed, 12 May 2010 15:32:13 +0100 Received: (qmail invoked by alias); 12 May 2010 14:31:53 -0000 Received: from p5DC42EE1.dip.t-dialin.net (EHLO Clemens04) [93.196.46.225] by mail.gmx.net (mp067) with SMTP; 12 May 2010 16:31:53 +0200 X-Authenticated: #17214767 X-Provags-ID: V01U2FsdGVkX1/j1kUwTFTj7hfv9j9Sq3/2mPT8OHidVJcJBS4vlH fRX9+J2j/039/S Message-ID: <00ae01caf1df$ddab9110$0201a8c0@Clemens04> From: "Clemens Paul" To: References: <000a01caf1bd$32556290$0401a8c0@xphd97xgq27nyf> Date: Wed, 12 May 2010 16:31:37 +0200 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3598 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.3350 X-Y-GMX-Trusted: 0 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: LF: Re: LD30 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00AA_01CAF1F0.981A0E90" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_40_50,HTML_MESSAGE autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039cdbc9d074beabc331a90 X-AOL-IP: 193.82.116.20 ------=_NextPart_000_00AA_01CAF1F0.981A0E90 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi Mal, you might buy the service manual ("Serviceunterlage") for Euro 15,60 from http://www.rainer-foertig.de/unterlagen/WG-3_2009.htm I'm not sure if the schematics ("Schaltbilder") are included because= they can be ordered seperately, price on request. I think you can clarify this by an email. The quality of Foertig's manuals is really good and prices are fair. I've bought a manual for a R&S LRT (inductance meter) from him some time ago and are very satisfied. 73 Clemens DL4RAJ ----- Original Message -----=20 From: mal hamilton To: rsgb Sent: Wednesday, May 12, 2010 12:23 PM Subject: LF: LD30 LF/MF I have a LD30 W & G group delay measuring instrument. It has a RX an= d TX range 200 Hz - 20 kHz=20 and would make a nice stable source for 9 kHz tx and a wideband RX.= With a suitable external=20 dsp filter it could be useful. Although I can manage the unit a handbook would be useful. 73 de mal/g3kev ----------------------------------------------------------------------= -------- Eingehende eMail ist virenfrei. Von AVG =FCberpr=FCft - www.avg.de Version: 9.0.819 / Virendatenbank: 271.1.1/2867 - Ausgabedatum: 05/1= 1/10 08:26:00 ------=_NextPart_000_00AA_01CAF1F0.981A0E90 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Hi Mal,

you might buy the service manual=20 ("Serviceunterlage") for Euro 15,60

from

http://www.rainer-foertig.de/unterlagen= /WG-3_2009.htm

I'm not sure if the schematics ("Scha= ltbilder") are=20 included because they can be ordered

seperately, price on request.<= /DIV>

I think you can clarify this by an=20 email.

The quality of Foertig's manuals is= really good=20 and prices are fair.

I've bought a manual for a R&S&nb= sp;LRT=20 (inductance meter) from him some

time ago and are very satisfied.

73
Clemens
DL4RAJ

----- Original Message -----

From:=20 mal=20 hamilton

To: rsgb

Sent: Wednesday, May 12, 2010= 12:23=20 PM

Subject: LF: LD30

LF/MF

I have a LD30 W & G group delay= measuring=20 instrument. It has a RX and TX range 200 Hz - 20 kHz and would make= a nice=20 stable source for 9 kHz tx and a wideband RX. With a suit= able=20 external dsp filter it could be useful.

Although I can manage the unit a ha= ndbook would=20 be useful.

73 de mal/g3kev

Eingehende eMail ist virenfrei.
Von AVG =FCberpr=FCft= - www.avg.de=20
Version: 9.0.819 / Virendatenbank: 271.1.1/2867 - Ausgabedatum:= 05/11/10=20 08:26:00

See picture

What could it be ? real or fake ?

Uwe

Hello Gary and Jim, some receptions with 2 strongs calls from BMU.

RX1: <20:05 UTC> <4,4 Hz>= G4WGT=20 TEST IO83QO <STOP> <-14 dB>
RX1: <20:20 UTC> <4,9= Hz>=20 G4WGT TEST IO83QO <STOP> <-20 dB>
RX1: <20:25 UTC&g= t;=20 <4,9 Hz> G4WGT TEST IO83QO <STOP> <-23 dB>
RX1:= =20 <20:30 UTC> <4,9 Hz> G4WGT TEST IO83QO <STOP> <-= 26=20 dB>
RX1: <20:35 UTC> <4,9 Hz> G4WGT TEST=20 IO83QO <STOP> <-28 dB>
RX1: <20:40 UTC> <4,9= Hz>=20 G4WGT TEST IO83QO <STOP> <-25 dB>
RX1: <20:50 UTC&g= t;=20 <5,4 Hz> G4WGT TEST IO83QO <STOP> <-29 dB>
RX1:= =20 <20:55 UTC> <5,4 Hz> G4WGT TEST IO83QO <STOP> <-= 27=20 dB>
RX1: <21:00 UTC> <5,4 Hz> G4WGT TEST=20 IO83QO <STOP> <-26 dB>
RX1: <21:05 UTC> <5,4= Hz>=20 G4WGT TEST IO83QO <STOP> <-25 dB>
RX1: <21:10 UTC&g= t;=20 <5,4 Hz> G4WGT TEST IO83QO <STOP> <-27 dB>
RX1:= =20 <21:12 UTC> <49,8 Hz> G4WGT DE M0BMU HW? KKK <STOP> <= 0=20 dB>
RX1: <21:18 UTC> <49,3 Hz> G4WGT DE M0BMU HW? K=20 <STOP> <1 dB>

F4DTL=20 Nicolas JN18FP

RX : Icom IC7400
Ant: Wellbrook LFL 1010

<= A href=3D"http://lfistes.erst.azerttyu.net/">http://lfistes.erst.azerttyu= .net/

--part1_44dce.26a64020.390e03ad_boundary-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-dc04.r1000.mx.aol.com (mtain-dc04.r1000.mx.aol.com [172.29.64.132]) by air-da09.mail.aol.com (v129.4) with ESMTP id MAILINDA094-86934be47505260; Fri, 07 May 2010 16:16:05 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-dc04.r1000.mx.aol.com (Internet Inbound) with ESMTP id 7A1F438000089; Fri, 7 May 2010 16:16:03 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OATwn-0005ji-IC for rs_out_1@blacksheep.org; Fri, 07 May 2010 21:14:57 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OATwm-0005jZ-WF for rsgb_lf_group@blacksheep.org; Fri, 07 May 2010 21:14:57 +0100 Received: from smtp-out30.alice.it ([85.33.2.30]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OATwg-0002vW-VY for rsgb_lf_group@blacksheep.org; Fri, 07 May 2010 21:14:56 +0100 Received: from FBCMMO01.fbc.local ([192.168.68.195]) by smtp-out30.alice.it with Microsoft SMTPSVC(6.0.3790.3959); Fri, 7 May 2010 22:13:14 +0200 Received: from FBCMCL01B05.fbc.local ([192.168.69.86]) by FBCMMO01.fbc.local with Microsoft SMTPSVC(6.0.3790.3959); Fri, 7 May 2010 22:13:14 +0200 Received: from PCCasa ([87.6.206.250]) by FBCMCL01B05.fbc.local with Microsoft SMTPSVC(6.0.3790.3959); Fri, 7 May 2010 22:13:14 +0200 Message-ID: <02A7D2B9EB43435F94154024F425E04C@PCCasa> From: "Daniele Tincani" To: References: In-Reply-To: Date: Fri, 7 May 2010 22:13:11 +0200 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6002.18005 X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6002.18005 X-OriginalArrivalTime: 07 May 2010 20:13:14.0419 (UTC) FILETIME=[B9555830:01CAEE21] X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: LF: LWCA Community Forums Content-Type: multipart/alternative; boundary="----=_NextPart_000_000A_01CAEE32.7B5DF0D0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.3 required=5.0 tests=HTML_50_60,HTML_MESSAGE, MISSING_OUTLOOK_NAME autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d40844be475032f6f X-AOL-IP: 193.82.116.20 ------=_NextPart_000_000A_01CAEE32.7B5DF0D0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Did you already see this one: http://lwca.org/community/YaBB.pl New to me (some boards are still empty) and interesting in my opinion. Cheers D. ------=_NextPart_000_000A_01CAEE32.7B5DF0D0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Did you already see this one: http://lwca.org/community/YaB= B.pl

New to me (some boards are still empt= y) and=20 interesting in my opinion.

Cheers

------=_NextPart_000_000A_01CAEE32.7B5DF0D0-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-me05.r1000.mx.aol.com (mtain-me05.r1000.mx.aol.com [172.29.96.141]) by air-df07.mail.aol.com (v129.4) with ESMTP id MAILINDF071-5efa4bfaf7a327a; Mon, 24 May 2010 18:03:15 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-me05.r1000.mx.aol.com (Internet Inbound) with ESMTP id 1A24B3800004E; Mon, 24 May 2010 18:03:13 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OGfir-0003n0-Go for rs_out_1@blacksheep.org; Mon, 24 May 2010 23:02:09 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OGfiq-0003mr-Ke for rsgb_lf_group@blacksheep.org; Mon, 24 May 2010 23:02:08 +0100 Received: from mail-fx0-f43.google.com ([209.85.161.43]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OGfio-0001p4-1x for rsgb_lf_group@blacksheep.org; Mon, 24 May 2010 23:02:08 +0100 Received: by fxm13 with SMTP id 13so2319045fxm.16 for ; Mon, 24 May 2010 15:02:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:content-type; bh=cH1n0W8EOOYM6rzB7mxxLL4VsvTzY/LZtAiTj/eJdR4=; b=TodGkWoczaPbN5a7Yk4npAP1OqnYYxlH8f+7wgG2QgNxtKpItv8zfuCWvKP7tHmuPQ CZRqyeMwezsd7fISpfR5ZJdV1HXTr4G54DXh05NjZ1kXvxgn6jkoen8cNFGQLERTQouN aSxJLZtTCtn8YYBiowxIS0RMvef5A2KnpsecM= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=EKldRie6Pf8/7tvUpr3g8qurs0G3LMf7nKDpNqKsY9o2rxcheqstSEZe/evqXHsxFa wLbmr3O7jdKzaH/XPP7Qs8O3f34oeNcHN9zdelfFDEsr19nTpC7HXIHYXGR6jUMuB3UB 6+/+OKa8LPx3mcC/oUiqYriBDD+Kew9dF1VBQ= MIME-Version: 1.0 Received: by 10.204.4.194 with SMTP id 2mr2477211bks.53.1274738519245; Mon, 24 May 2010 15:01:59 -0700 (PDT) Received: by 10.204.58.204 with HTTP; Mon, 24 May 2010 15:01:59 -0700 (PDT) In-Reply-To: <38A51B74B884D74083D7950AD0DD85E82A1C03@File-Server-HST.hst.e-technik.tu-darmstadt.de> References: <38A51B74B884D74083D7950AD0DD85E82A1C00@File-Server-HST.hst.e-technik.tu-darmstadt.de> <38A51B74B884D74083D7950AD0DD85E82A1C03@File-Server-HST.hst.e-technik.tu-darmstadt.de> Date: Mon, 24 May 2010 23:01:59 +0100 Message-ID: From: Roger Lapthorn To: rsgb_lf_group@blacksheep.org DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: Re: LF: AW: 8.97kHz - Near field and radiated signals? Content-Type: multipart/alternative; boundary=0015174bf2749f0a3304875e30ee X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=HTML_MESSAGE autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G X-AOL-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-m225.2 ; domain : gmail.com DKIM : pass x-aol-sid: 3039ac1d608d4bfaf7a11806 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) --0015174bf2749f0a3304875e30ee Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Stefan, On windy days the large field behind my house does have people flying kite= s in it. Yes, my young grandchildren would love this! At the moment I want to avoid using a PC on RX as it only takes a few minutes to leave the house, do the "by ear" walk tests, and return home. When I am reasonably sure the RX is working pretty well then I shall certainly try QRSS or WSPR using a PC to see just what range can be achieved. Double the audible range would be my expectation based on 18dB additional path loss for doubling distance and this sort of RX improvement factor using QRSS. The idea of putting a 100m earth electrode baseline TX in the field is a good one as increasing the baseline would certainly have a direct impact= on range. This will need a second person helping: people walk dogs in the field, so someone would have to keep an eye on the TX set-up for health an= d safety reasons. Thanks for your encouragement to keep experimenting. 73s Roger G3XBM 2010/5/24 Stefan Sch=E4fer > OK Roger, very nice! > > If you would go to use a PC instead your ears, you could immediately get > some "gain" of say 30 dB and thus much more distance. I also like and > normally prefer CW instead of ear reception. Normally i say " a PC has= not > to be a part of a amateur radio station", very conservative, hi. Even my > logbock is hand drawn since i do not like having a PC running during the > QSOs. But on (LF)/VLF it is the best way to communicate. On 137 kHz it= is > rather due to the activity that is more in QRSS than in CW but... > So, if you would try SpecLab or Argo on a PC and use a stable VFO i thin= k > it is no problem to reach those 3kms in say DFCW-600. Than, it is much= more > easy to improve your system since you can see how a change of your setup > improves the reception. If you can improve some dB, maybe even 10 dB, yo= u > could go to DFCW-60 and so on. And you can really try a TV transformer!= That > would really make sense in some kms at small antennas. > > Now, as i saw your QTH i get the idea to ask you if you don't want to bu= y a > kite ;-) It's just funny to have it in the air, even without antennas > mounted on it. Also your grad children would enjoy it ;-) And you would= be > one of the top 3 of your VLF dx list ;-) > > I think i will ask Bernd/DF8ZR if he is interested to do some ground > electrode tests with me. He is in 16km distance and if we would try > DFCW-600, maybe it is possible. Also it would be interesting to see the > QRN/QRM daily time dependency... All this is interesting stuff. > Go on with your tests and report us :-) > > Best wishes :-) > > Stefan/DK7FC > > ________________________________ > > Von: owner-rsgb_lf_group@blacksheep.org im Auftrag von Roger Lapthorn > Gesendet: Mo 24.05.2010 18:36 > An: rsgb_lf_group@blacksheep.org > Betreff: Re: LF: AW: 8.97kHz - Near field and radiated signals? > > > Thank you for your fast reply Stefan. > > In answer to your questions: > > > * Currently, my TX electrode spacing is 10m, which is the best I= can > manage in my small garden. Both electrodes are as far away from the main= s > and other utility services as I can manage. > * I have not tried /P transmit testing yet. > > * My nearest ham who will listen/look is 3kms away, but using > beaconing I am able to go out myself and see how far I can reach. This= is > what I have done so far, going out into the fields behind my house with > electrode pairs or a loop receiver. Best (by ear reception) DX is 0.35km= s, > but the system has much scope for optimisation still. > * The largest single turn loop I could erect in my garden would be > about 50-70 sq m (about 15m top and 4m-5m high). The longest antenna len= gth > would also be 15m horizontal with some vertical section(s) too. > * The best DX targets are quite modest: I would like to exceed 1km > initially with the TX power I currently have (around 4W). If I could rea= ch > G6ALB in the next village 3kms away I would be delighted. If I got any > further I would be both amazed and VERY happy! > > > 73s > Roger G3XBM > > > > 2010/5/24 Stefan Sch=E4fer > > > Hello Roger, > > For your ground electrodes, ground electrodes may be the best > "antenna" in some 10...10m. I'm not sure how to calculate field strength= s > but i just know about the 1/d^3 dependency, so twice the distance means= 8 > times the power for the same signal reception, in the near field. But it= is > the question what are the electrodes since there is ever a coupling to= the > mains earth and all the metallic stuff in regions where people are livin= g so > this dependency might not be valid in your tests. As mentioned here, you > could benefit from these conductors... > > But if you want to reach more distance with an antenna of the sam= e > size (e.g. of your garden)and the same power, you could try such a TV > transformer. Take a wire, as long as possible and as high as possible,= and > apply some kV on it by this transformer. It can even be resonated by > adjusting the air gap between the both ferrite parts. That results in a > maximum output voltage and thus "ERP". At least this would be a good > alternative to your ground electrode tests. You could easily compare the > reachable distances. Here i would use a E field antenna for reception in= the > near field. > > How far is your next receiving amateur radio station away? And ha= ve > you tried to do such tests outside the village/city, just like Jim does= it > with his loop antenna? This could allow you to increase the distance of= your > reception. Here, space is not limited and you could try 2x10m, 2x50m, 2x= 100m > and so on and tell us the difference in the feed point impedance at vari= ous > frequencies and your ODX :-) Maybe i will also do some ground electrode > tests in summer but i am still not sure. The complete receiver of Jim is= a > really good idea to check the QRM situation at a given QTH. Probably i= will > also buit his loop design for such tests... Would be interesing what is= the > maximum distance for a CW reception of my transmitted signal (with the= kite > antenna and 6mW ERP) ;-) > > I will also do some near field tests in this week, to compare the > performance of my 2 grabbers. This will be done here: > http://www.google.de/maps?f=3Dq&source=3Ds_q&hl=3Dde&geocode=3D&q=3Dheil= igenberg+heidelberg&sll=3D47.820666,9.312449&sspn=3D0.106733,0.219383&g=3D= heiligenberg&ie=3DUTF8&hq=3D&hnear=3DHeiligenberg&ll=3D49.419391,8.704101&= spn=3D0.001616,0.003428&t=3Dh&z=3D18in about 1,8km distance to my grabbers= . Power will also be below 100W and > the antenna wire will be mounted on a tower in abt 15m height. I will > transmit with this TV transformer on a 40m wire. > > Roger, what size is your garden? What is the maximum wire length > that you can apply and in which height? What is your goal (best DX, a re= als > QSO with the next equipped station or just do some funny tests?) > > So, wish you fun and success with your experiments! > > 73, Stefan/DK7FC > > PS: What is your locator / QTH? > > > > > > > -- > http://g3xbm-qrp.blogspot.com/ > http://www.g3xbm.co.uk > http://www.youtube.com/user/g3xbm > G3XBM GQRP 1678 ISWL G11088 > > --=20 http://g3xbm-qrp.blogspot.com/ http://www.g3xbm.co.uk http://www.youtube.com/user/g3xbm G3XBM GQRP 1678 ISWL G11088 --0015174bf2749f0a3304875e30ee Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Stefan,

On windy days the large field behind my house does have peo= ple flying kites in it. Yes, my young grandchildren would love this!
<= br>At the moment I want to avoid using a PC on RX as it only takes a few= minutes to leave the house, do the "by ear" walk tests, and ret= urn home. When I am reasonably sure the RX is working pretty well then I= shall certainly try QRSS or WSPR using a PC to see just what range can be= achieved. Double the audible range would be my expectation based on 18dB= additional path loss for doubling distance and this sort of RX improvemen= t factor using QRSS.

The idea of putting a 100m earth electrode baseline TX in the field is= a good one as increasing the baseline would certainly have a direct impac= t on range. This will need a second person helping: people walk dogs in th= e field, so someone would have to keep an eye on the TX set-up for health= and safety reasons.

Thanks for your encouragement to keep experimenting.

73s
Rog= er G3XBM

2010/5/24 Stefan Sch=E4fer <schaefer= @hst.tu-darmstadt.de>

OK Roger, very= nice!

If you would go to use a PC instead your ears, you could immediately get= some "gain" of say 30 dB and thus much more distance. I also li= ke and normally prefer CW instead of ear reception. Normally i say "= a PC has not to be a part of a amateur radio station", very conserva= tive, hi. Even my logbock is hand drawn since i do not like having a PC ru= nning during the QSOs. But on (LF)/VLF it is the best way to communicate.= On 137 kHz it is rather due to the activity that is more in QRSS than in= CW but...
So, if you would try SpecLab or Argo on a PC and use a stable VFO i think= it is no problem to reach those 3kms in say DFCW-600. Than, it is much mo= re easy to improve your system since you can see how a change of your setu= p improves the reception. If you can improve some dB, maybe even 10 dB, yo= u could go to DFCW-60 and so on. And you can really try a TV transformer!= That would really make sense in some kms at small antennas.

Now, as i saw your QTH i get the idea to ask you if you don't want to= buy a kite ;-) It's just funny to have it in the air, even without an= tennas mounted on it. Also your grad children would enjoy it ;-) And you= would be one of the top 3 of your VLF dx list ;-)

I think i will ask Bernd/DF8ZR if he is interested to do some ground elect= rode tests with me. He is in 16km distance and if we would try DFCW-600,= maybe it is possible. Also it would be interesting to see the QRN/QRM dai= ly time dependency... All this is interesting stuff.
Go on with your tests and report us :-)

Best wishes :-)

Stefan/DK7FC

________________________________

Von: owner-rsgb_lf_g= roup@blacksheep.org im Auftrag von Roger Lapthorn
Gesendet: Mo 24.05.2010 18:36

An: rsgb= _lf_group@blacksheep.org
Betreff: Re: LF: AW: 8.97kHz - Near field and radiated signals?

Thank you for your fast reply Stef= an.

In answer to your questions:

* =A0 =A0 =A0 Currently, my TX electrode spacing is 10m, which is the best= I can manage in my small garden. Both electrodes are as far away from the= mains and other utility services as I can manage.
* =A0 =A0 =A0 I have not tried /P transmit testing yet.

* =A0 =A0 =A0 My nearest ham who will listen/look is 3kms away, but using= beaconing I am able to go out myself and see how far I can reach. This is= what I have done so far, going out into the fields behind my house with= electrode pairs or a loop receiver. Best (by ear reception) DX is 0.35kms= , but the system has much scope for optimisation still.
* =A0 =A0 =A0 The largest single turn loop I could erect in my garden woul= d be about 50-70 sq m (about 15m top and 4m-5m high). The longest antenna= length would also be 15m horizontal with some vertical section(s) too. * =A0 =A0 =A0 The best DX targets are quite modest: I would like to exceed= 1km initially with the TX power I currently have (around 4W). If I could= reach G6ALB in the next village 3kms away I would be delighted. If I got= any further I would be both amazed and VERY happy!

73s
Roger G3XBM

2010/5/24 Stefan Sch=E4fer <schaefer@hst.tu-darmstadt.de>

=A0 =A0 =A0 =A0Hello Roger,

=A0 =A0 =A0 =A0For your ground electrodes, ground electrodes may be the= best "antenna" in some 10...10m. I'm not sure how to calcul= ate field strengths but i just know about the 1/d^3 dependency, so twice= the distance means 8 times the power for the same signal reception, in th= e near field. But it is the question what are the electrodes since there= is ever a coupling to the mains earth and all the metallic stuff in regio= ns where people are living so this dependency might not be valid in your= tests. As mentioned here, you could benefit from these conductors...

=A0 =A0 =A0 =A0But if you want to reach more distance with an antenna of= the same size (e.g. of your garden)and the same power, you could try such= a TV transformer. Take a wire, as long as possible and as high as possibl= e, and apply some kV on it by this transformer. It can even be resonated= by adjusting the air gap between the both ferrite parts. That results in= a maximum output voltage and thus "ERP". At least this would be= a good alternative to your ground electrode tests. You could easily compa= re the reachable distances. Here i would use a E field antenna for recepti= on in the near field.

=A0 =A0 =A0 =A0How far is your next receiving amateur radio station away?= And have you tried to do such tests outside the village/city, just like= Jim does it with his loop antenna? This could allow you to increase the= distance of your reception. Here, space is not limited and you could try= 2x10m, 2x50m, 2x100m and so on and tell us the difference in the feed poi= nt impedance at various frequencies and your ODX :-) Maybe i will also do= some ground electrode tests in summer but i am still not sure. The comple= te receiver of Jim is a really good idea to check the QRM situation at a= given QTH. Probably i will also buit his loop design for such tests... Wo= uld be interesing what is the maximum distance for a CW reception of my tr= ansmitted signal (with the kite antenna and 6mW ERP) ;-)

=A0 =A0 =A0 =A0I will also do some near field tests in this week, to comp= are the performance of my 2 grabbers. This will be done here: http://www.google.de/maps?f=3Dq&sou= rce=3Ds_q&hl=3Dde&geocode=3D&q=3Dheiligenberg+heidelberg&s= ll=3D47.820666,9.312449&sspn=3D0.106733,0.219383&g=3Dheiligenberg&= amp;ie=3DUTF8&hq=3D&hnear=3DHeiligenberg&ll=3D49.419391,8.7041= 01&spn=3D0.001616,0.003428&t=3Dh&z=3D18 in about 1,8km dis= tance to my grabbers. Power will also be below 100W and the antenna wire= will be mounted on a tower in abt 15m height. I will transmit with this= TV transformer on a 40m wire.

=A0 =A0 =A0 =A0Roger, what size is your garden? What is the maximum wire= length that you can apply and in which height? What is your goal (best DX= , a reals QSO with the next equipped station or just do some funny tests?)=

=A0 =A0 =A0 =A0So, wish you fun and success with your experiments!

=A0 =A0 =A0 =A073, Stefan/DK7FC

=A0 =A0 =A0 =A0PS: What is your locator / QTH?

--
http://g3xbm-= qrp.blogspot.com/

http://ww= w.g3xbm.co.uk <http://www.g3xbm.co.uk/>

http://www.youtube.com/user/g3xbm
G3XBM =A0 =A0GQRP 1678 =A0 =A0 =A0ISWL G11088

--
http://g3xbm-qrp.blogspot.com/
http://www.g3xbm.co.uk
http://www.youtube.com/user/g3xbm G3XBM =A0 =A0GQRP 1678 =A0 =A0 =A0ISWL G11088
--0015174bf2749f0a3304875e30ee-- From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-dg02.r1000.mx.aol.com (mtain-dg02.r1000.mx.aol.com [172.29.65.10]) by air-dc07.mail.aol.com (v129.4) with ESMTP id MAILINDC073-86534c0296502d0; Sun, 30 May 2010 12:46:08 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-dg02.r1000.mx.aol.com (Internet Inbound) with ESMTP id 4AF323800008C; Sun, 30 May 2010 12:46:02 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OIlbj-0005bn-KK for rs_out_1@blacksheep.org; Sun, 30 May 2010 17:43:27 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OIlbj-0005be-9Y for rsgb_lf_group@blacksheep.org; Sun, 30 May 2010 17:43:27 +0100 Received: from mail.hurontel.on.ca ([216.46.129.11]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OIlbh-00017A-Ce for rsgb_lf_group@blacksheep.org; Sun, 30 May 2010 17:43:27 +0100 Received: from [192.168.1.100] (pppoe.dyn-216.46.157.81.hurontel.on.ca [216.46.157.81]) by mail.hurontel.on.ca (Postfix) with ESMTP id 4BC517E for ; Sun, 30 May 2010 12:43:21 -0400 (EDT) Mime-Version: 1.0 (Apple Message framework v1078) From: John Bruce McCreath In-Reply-To: <4C02783D.9020502@gmx.com> Date: Sun, 30 May 2010 12:43:20 -0400 Message-Id: References: <20100530.082855.1608.1.riese-k3djc@juno.com> <4C02783D.9020502@gmx.com> To: rsgb_lf_group@blacksheep.org X-Mailer: Apple Mail (2.1078) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Content-Type: text/plain; charset=us-ascii Subject: Re: LF: 8.97kc - TV transformer info needed Content-Transfer-Encoding: quoted-printable X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d410a4c02964a68df X-AOL-IP: 193.82.116.20 Hi Mike, LFers, I grabbed one of my many MOTs and ran some tests with the primary connect= ed to a signal generator's 600 ohm output and the secondary connected to a VTVM. The measured L of the prima= ry is .047 H and the secondary L is 16 H. The turns ratio (120 Volt Primary) is 1:18 give or take a bit. With the signal generator set at 10 volts RMS, the secondary voltage was= measured at 1 kHz. steps as below: Freq. in kHz. Sec. voltage 1 120 2 150 3 190 4 250 5 210 6 160 7 140 8 110 9 85 10 60 The results are poor, just as you found Mike, so it looks like we can rule= out using MOTs for Dreamers Band. It's about what one might expect from a transformer designed for 60 Hz. op= eration. 73, J.B., VE3EAR LowFER Beacon "EAR" 188.830 kHz. QRSS30 From rsgb_lf_group@blacksheep.org Sun Jan 01 00:00:00 1970 Return-Path: Received: from mtain-di03.r1000.mx.aol.com (mtain-di03.r1000.mx.aol.com [172.29.64.7]) by air-dc01.mail.aol.com (v129.4) with ESMTP id MAILINDC013-864d4bddd2bf27; Sun, 02 May 2010 15:30:07 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-di03.r1000.mx.aol.com (Internet Inbound) with ESMTP id 39F00380000A4; Sun, 2 May 2010 15:30:04 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1O8epq-0006CW-BY for rs_out_1@blacksheep.org; Sun, 02 May 2010 20:28:14 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1O8epp-0006CN-UR for rsgb_lf_group@blacksheep.org; Sun, 02 May 2010 20:28:13 +0100 Received: from smtp6.freeserve.com ([193.252.22.191]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1O8epm-0006Gw-UB for rsgb_lf_group@blacksheep.org; Sun, 02 May 2010 20:28:13 +0100 Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf3616.me.freeserve.com (SMTP Server) with ESMTP id C723670008AF for ; Sun, 2 May 2010 21:28:04 +0200 (CEST) Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf3616.me.freeserve.com (SMTP Server) with ESMTP id BA68970008B8 for ; Sun, 2 May 2010 21:28:04 +0200 (CEST) Received: from AGB (unknown [91.109.33.19]) by mwinf3616.me.freeserve.com (SMTP Server) with SMTP id 7A8EB70008AF for ; Sun, 2 May 2010 21:28:04 +0200 (CEST) X-ME-UUID: 20100502192804502.7A8EB70008AF@mwinf3616.me.freeserve.com Message-ID: From: "Graham" To: