X-GM-THRID: 1242797033417085680 X-Gmail-Labels: rsgb lf Delivered-To: daveyxm@gmail.com Received: by 10.78.172.11 with SMTP id u11cs647287hue; Mon, 23 Jul 2007 13:46:52 -0700 (PDT) Received: by 10.86.1.1 with SMTP id 1mr2733784fga.1185223612199; Mon, 23 Jul 2007 13:46:52 -0700 (PDT) Return-Path: Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mx.google.com with ESMTP id f4si26468762nfh.2007.07.23.13.46.46; Mon, 23 Jul 2007 13:46:52 -0700 (PDT) Received-SPF: neutral (google.com: 193.82.116.20 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) DomainKey-Status: bad (test mode) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ID4kT-0005yF-RC for rs_out_1@blacksheep.org; Mon, 23 Jul 2007 21:43:21 +0100 Received: from [83.244.159.144] (helo=relay3.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ID4kS-0005y6-CM for rsgb_lf_group@blacksheep.org; Mon, 23 Jul 2007 21:43:20 +0100 Received: from smtp801.mail.ird.yahoo.com ([217.146.188.61]) by relay3.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1ID4kR-00011q-8x for rsgb_lf_group@blacksheep.org; Mon, 23 Jul 2007 21:43:20 +0100 Received: (qmail 41485 invoked from network); 23 Jul 2007 20:43:13 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=btopenworld.com; h=Received:X-YMail-OSG:From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE:Importance:In-Reply-To; b=vAKLS0hPpwPvD/hydqCvI6Poj3BVc6WzG1cQd6XBQxwC+5UVYfwahfdeoMsnbn9j1+WSFC+eZeIoieIm+bRoQWvjWfwwZngjy/NKorbLUYU32Af9Z1qlhRHSJ7xJ9358Qd8t2Qyj2X9csMsqWk8DcE5mkJkgceuadXrO7Dy40hA= ; Received: from unknown (HELO aquarids) (ganymede444@btinternet.com@81.154.15.169 with login) by smtp801.mail.ird.yahoo.com with SMTP; 23 Jul 2007 20:43:13 -0000 X-YMail-OSG: qb7yT34VM1mRjTEXl2DNGpv6Yi2OROF2Z.GtfGSK4hRysG4xB3YMgnIwqp4BuV.dvAKVUZ6Ht2B1Bza549k3FXWNHOSWsww2nmvA6hcHwg1RbtMao3MAcPMqXq8- From: "Dave G3WCB" To: Date: Mon, 23 Jul 2007 21:43:39 +0100 Message-ID: MIME-Version: 1.0 X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2911.0) X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1441 Importance: Normal In-Reply-To: <00c001c7cceb$5a6974f0$52cde150@o> DomainKey-Status: good (testing) X-Spam-Score: 0.3 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001,MAILTO_TO_SPAM_ADDR=0.276 Subject: LF: [ 500]; Two GW's Testing... Content-Type: multipart/alternative; boundary="----=_NextPart_000_0012_01C7CD72.88361500" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.5 required=5.0 tests=FROM_ENDS_IN_NUMS,HTML_40_50, HTML_FONTCOLOR_BLUE,HTML_MESSAGE,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 Status: O X-Status: X-Keywords: X-UID: 844 This is a multi-part message in MIME format. ------=_NextPart_000_0012_01C7CD72.88361500 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Rog, LF. I've got a complete set of Argo grabs of the GW3UEP beacon covering the last 24 hrs. (34 MBs worth...too big to e-mail!) 1 The beacon is visible at this QTH for the complete 24h period, using Argo 3 sec/dot setting 2 Daytime levels seem weak but fairly constant, presumably ground-wave only propagation. Never strong enough to actually detect by ear. 3 The transition to night-time propagation commences as a series of fades with about a 5 - 10 minute cycle, starting at around 2200 utc 4 Signals then increase up to workable CW levels, maintaining good copy with slight QSB from 0030 until 0330utc 5 Signals fall to daytime levels fairly abruptly at around 0400 utc, and I think Rog's central heating kicks in around then, as the frequency goes for a little walk LF before settling down close to the 501.500 kHz nominal. So, the best time to work to work GW - SE England seems to be between 0030 and 0330 utc, when presumably skywave propagation is the dominant mechanism....no surprises there, I guess. At this distance, it's probably a single E-region hop. By contrast, the longer path to GM4SLV is probably 3 hops or more. It will be interesting to see if the daytime signal levels hold up when Middle England has dried out a bit! If Mike GW4HXO is in beacon mode over the next few days, I'll try and look for him. Nothing seen so far. 73, Dave G3WCB IO91RM -----Original Message----- From: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org]On Behalf Of Gw3UEP Sent: 23 July 2007 06:35 To: rsgb_lf_group@blacksheep.org Subject: LF: Re: [ 500]; Two GW's Testing... Dave/Dave/Gary/Mike, Many thanks for your mails & reports, just collected - had an early night after hard labour on Sunday. Mike/HXO, you're still the GLD of Wales - I'm just warming up the trees here! FYI, since March have been QRP [6W from mini-Tx, via external LPF with 1dB insertion-loss, so 4.75W via 100m 1/2" buried coax to remote ATU]. Last Thursday I routed the PA dc feed from 12V to the 22V pre-regulator supply & mini-tx now running happily with 20W o/p, after adding 15kuF smoothing. Then I removed the external -1dB LPF & still no sign of M/wave harmonics off-site; so +6dB overall increase. I_ant now ~0.6A. Tx is still running on ~501.5. Tks for tests. 73, Rog. Dave/WCB; FB on ur Mk1 - this one is mimosa yellow, currently SORN, hope to MOT it soon. ----- Original Message ----- From: Dave G3WCB To: rsgb_lf_group@blacksheep.org Sent: Sunday, July 22, 2007 10:16 PM Subject: LF: [ 500]; Two GW's Testing... Hi Rog, LF Screengrab of GW3UEP at 2107 utc. Just strong enough to be audible in peaks of QSB. Lots of static this evening, but I think you signal is definitely stronger. Still looking for GW4HXO... BTW, I've got a Mk1, Conifer green with a yellow nose, swing-axles and all... 73, Dave G3WCB IO91RM Hi Rog, HXO - RST 319 with QSB to 419 at times UEP - Just visible on SpecLab 73 Gary - G4WGT - IO83qp 'HXO 539 but flattened by a 599 G0MRF on top 'UEP 319 73 Dave G3YMC Bracknell IO91PJ ------=_NextPart_000_0012_01C7CD72.88361500 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Rog,=20 LF.
 
I've=20 got a complete set of Argo grabs of the GW3UEP beacon covering the last = 24 hrs.=20 (34 MBs worth...too big to e-mail!)
 
1 The=20 beacon is visible at this QTH for the complete 24h period, using Argo 3 = sec/dot=20 setting
 
2 Daytime levels seem weak but fairly = constant,=20 presumably ground-wave only propagation. Never strong enough to actually = detect=20 by ear.
 
3 The transition to night-time=20 propagation commences as a series of fades with about a 5 - 10 = minute=20 cycle, starting at around 2200 utc
 
4=20 Signals then increase up to workable CW levels, maintaining good = copy with=20 slight QSB from 0030 until 0330utc
 
5=20 Signals fall to daytime levels fairly abruptly at around 0400 utc, and I = think=20 Rog's central heating kicks in around then, as the frequency goes for a = little=20 walk LF before settling down close to the 501.500 kHz=20 nominal.
 
So,=20 the best time to work to work GW - SE England seems to be between 0030 = and 0330=20 utc, when presumably skywave propagation is the dominant mechanism....no = surprises there, I guess. At this distance, it's probably a single = E-region hop.=20 By contrast, the longer path to GM4SLV is probably 3 hops or=20 more.
 
It=20 will be interesting to see if the daytime signal levels hold up when = Middle=20 England has dried out a bit!
 
If=20 Mike GW4HXO is in beacon mode over the next few days, I'll try and look = for him.=20 Nothing seen so far.
 
73,=20 Dave G3WCB IO91RM 
-----Original Message-----
From:=20 owner-rsgb_lf_group@blacksheep.org=20 [mailto:owner-rsgb_lf_group@blacksheep.org]On Behalf Of=20 Gw3UEP
Sent: 23 July 2007 06:35
To:=20 rsgb_lf_group@blacksheep.org
Subject: LF: Re: [ 500]; Two = GW's=20 Testing...

Dave/Dave/Gary/Mike,
 
Many thanks for your mails & = reports, just=20 collected  - had an early night after hard labour on = Sunday.
 
Mike/HXO, you're still the GLD of = Wales - I'm=20 just warming up the trees here!
 
FYI, since March have been QRP [6W = from mini-Tx,=20 via external LPF with 1dB insertion-loss, so 4.75W via 100m 1/2" = buried coax=20 to remote ATU].
 
Last Thursday I routed the PA = dc feed from=20 12V to the 22V pre-regulator supply & mini-tx now running happily = with 20W=20 o/p, after adding 15kuF smoothing.
 
Then I removed the = external -1dB LPF=20 & still no sign of M/wave harmonics off-site; so +6dB overall = increase.  I_ant now ~0.6A.
 
Tx is still running on = ~501.5.
 
Tks for tests.
 
73, Rog.
 
Dave/WCB; FB on ur Mk1 - this one is = mimosa=20 yellow, currently SORN, hope to MOT it soon.
 
----- Original Message -----=20
From: Dave G3WCB
Sent: Sunday, July 22, 2007 10:16 PM
Subject: LF: [ 500]; Two GW's Testing...

Hi=20 Rog, LF
 
Screengrab of GW3UEP at 2107 utc. Just = strong enough=20 to be audible in peaks of QSB. Lots of static this evening, but I = think you=20 signal is definitely stronger.
 
Still looking for = GW4HXO...
 
BTW,=20 I've got a Mk1, Conifer green with a yellow nose, swing-axles and=20 all...
 
73,=20 Dave G3WCB IO91RM

Hi = Rog,

HXO - =20 RST 319 with QSB to 419 at times
UEP - Just visible on=20 SpecLab

73

Gary - G4WGT - IO83qp

 'HXO 539 = but=20 flattened by a 599 G0MRF on top
'UEP 319

73 Dave G3YMC = Bracknell=20 IO91PJ
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