X-GM-THRID: 1242801318448417825 X-Gmail-Labels: rsgb lf Delivered-To: daveyxm@gmail.com Received: by 10.78.172.11 with SMTP id u11cs674776hue; Tue, 24 Jul 2007 02:34:21 -0700 (PDT) Received: by 10.82.106.14 with SMTP id e14mr2866651buc.1185269661507; Tue, 24 Jul 2007 02:34:21 -0700 (PDT) Return-Path: Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mx.google.com with ESMTP id g17si8151697nfd.2007.07.24.02.34.17; Tue, 24 Jul 2007 02:34:21 -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) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1IDGjw-00009L-S5 for rs_out_1@blacksheep.org; Tue, 24 Jul 2007 10:31:36 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1IDGjw-00009C-6Y for rsgb_lf_group@blacksheep.org; Tue, 24 Jul 2007 10:31:36 +0100 Received: from mk-filter-4-a-1.mail.uk.tiscali.com ([212.74.100.55]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from <500kcs@uku.co.uk>) id 1IDGju-0006vS-V8 for rsgb_lf_group@blacksheep.org; Tue, 24 Jul 2007 10:31:36 +0100 X-Trace: 9624286-mk-filter-4.mail.uk.tiscali.com-B2C-$THROTTLED-DYNAMIC-CUSTOMER-DYNAMIC-IP X-SBRS: -3.0 X-RemoteIP: 80.225.151.241 X-Cloudmark-SP-Filtered: true X-Cloudmark-SP-Result: v=1.0 c=0 a=1VaW5JSoaBtrT391WyIA:9 a=-p2dTF0JlO4rMeStTyIA:7 a=gNL_wCqSItzg7ktTPQFABkuV4dkA:4 a=zlQk_OQ7Gaqi2dYUOnIA:9 a=FluzDW59ZNaj6DN2UkQA:7 a=HRkpkMMGifbFCYNgNSCqqvk9jAUA:4 X-IronPort-AV: E=Sophos;i="4.16,573,1175468400"; d="scan'208,217";a="9624286" Received: from ppp-0-241.glas-a-2.access.uk.tiscali.com (HELO o) ([80.225.151.241]) by smtp.tiscali.co.uk with SMTP; 24 Jul 2007 10:12:36 +0100 Message-ID: <009001c7cdd5$6d992670$f197e150@o> From: "Gw3UEP" <500kcs@uku.co.uk> To: References: Date: Tue, 24 Jul 2007 10:29:44 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Karma: 0: X-Spam-Score: 0.3 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001,MAILTO_TO_SPAM_ADDR=0.276 Subject: LF: Re: [ 500]; Two GW's Testing... Content-Type: multipart/alternative; boundary="----=_NextPart_000_0084_01C7CDDD.8D378140" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.6 required=5.0 tests=HTML_40_50,HTML_FONTCOLOR_BLUE, HTML_MESSAGE,MAILTO_TO_SPAM_ADDR autolearn=no version=2.63 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: 1089 This is a multi-part message in MIME format. ------=_NextPart_000_0084_01C7CDDD.8D378140 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Reasons to be happy - it's sunny & no monsoon. Dave,=20 Very interesting, tks for your precision observations. Well spotted - but not c/heating. Yes, there is quite a temp-swing in = shack, also PA heatsink is VFO. Do you have a high noise-level? Surprised you didn't spot Mike who is usually stronger than me. Pleased to be braking the E-W iron-curtain. 73, Rog ----- Original Message -----=20 From: Dave G3WCB=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Monday, July 23, 2007 9:43 PM Subject: LF: [ 500]; Two GW's Testing... 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!=20 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=20 -----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 -----=20 From: Dave G3WCB=20 To: rsgb_lf_group@blacksheep.org=20 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_0084_01C7CDDD.8D378140 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Reasons to be happy - it's = sunny & no=20 monsoon.
 
Dave,
Very interesting, tks for your = precision=20 observations.
Well spotted - but not = c/heating.  Yes, there=20 is quite a temp-swing in shack, also PA heatsink is VFO.
 
Do you have a high = noise-level?
Surprised you didn't spot Mike who is = usually=20 stronger than me.
Pleased to be braking the E-W=20 iron-curtain.
73, Rog
 
 
----- Original Message -----=20
From: Dave=20 G3WCB
To: rsgb_lf_group@blacksheep.org= =20
Sent: Monday, July 23, 2007 9:43 PM
Subject: LF: [ 500]; Two GW's Testing...

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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