X-GM-THRID: 1242797033417085680 X-Gmail-Labels: rsgb lf Delivered-To: daveyxm@gmail.com Received: by 10.70.84.1 with SMTP id h1cs129909wxb; Tue, 24 Jul 2007 08:48:11 -0700 (PDT) Received: by 10.82.152.16 with SMTP id z16mr3370751bud.1185292091111; Tue, 24 Jul 2007 08:48:11 -0700 (PDT) Return-Path: Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mx.google.com with ESMTP id h6si468330nfh.2007.07.24.08.48.07; Tue, 24 Jul 2007 08:48:11 -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 1IDMWl-0002sw-Ar for rs_out_1@blacksheep.org; Tue, 24 Jul 2007 16:42:23 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1IDMWk-0002sn-LB for rsgb_lf_group@blacksheep.org; Tue, 24 Jul 2007 16:42:22 +0100 Received: from smtp807.mail.ird.yahoo.com ([217.146.188.67]) by relay1.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1IDMWj-0002fl-Hr for rsgb_lf_group@blacksheep.org; Tue, 24 Jul 2007 16:42:22 +0100 Received: (qmail 90155 invoked from network); 24 Jul 2007 15:42:13 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=btopenworld.com; h=Received:X-YMail-OSG:Received:Message-ID:From:To:References:Subject:Date:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE; b=O2ZYEl8HRVgDQRIgZCMMdG6Bd+SaLV2MxNiTKxi7o8haeewYTzD1Xye95zvVCj+MRsyLZ3TJD+CBsuFFv28pwpxLtpfo1GvlY0Ltf69rKCMnzJGJM/ACwR8FhjMTdeu6PLneP18umDflLOlKxtZ2N6PmKOAFE+55WUoj3UY/93g= ; Received: from unknown (HELO w4o8m9) (james.moritz@btopenworld.com@81.131.34.9 with login) by smtp807.mail.ird.yahoo.com with SMTP; 24 Jul 2007 15:42:11 -0000 X-YMail-OSG: M2Tb7ZoVM1lgks5LlDjVUESlZO.Jb2MZYc6ivs.vTMwQR6kyf6hXUNpFR5ZolO_TNLqj_0tzCUeKYwHGbT.c4D_qEIfhtj19lKqKYfE7ELL6skzu Received: from 127.0.0.1 (AVG SMTP 7.5.476 [269.10.16/914]); Tue, 24 Jul 2007 16:41:46 +0100 Message-ID: <002701c7ce09$247dcc00$09228351@w4o8m9> From: "James Moritz" To: References: <002401c7cde9$bf9a8f40$6f3b8351@w4o8m9> <000a01c7cdfe$78702070$8ac3e150@o> Date: Tue, 24 Jul 2007 16:41:46 +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-Karma: 0: DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: Re: LF: [ 500]; Two GW's Testing... Content-Type: multipart/alternative; boundary="----=_NextPart_000_0024_01C7CE11.85FF1080" 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 Status: O X-Status: X-Keywords: X-UID: 831 This is a multi-part message in MIME format. ------=_NextPart_000_0024_01C7CE11.85FF1080 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Dear Rog, Yes, please send the mp3 - that would be interesting to listen to. The = noise level here is a few dB higher in the E-W direction on the loop = than it is N-S. Mal's signal is about 9 - 10uV/m here, usually around = 20dB above the noise in a 300Hz bandwidth - all other things being = equal, I would at least expect to see GW4HXO on the spectrogram, but = there is no trace at the moment here.=20 Cheers, Jim Moritz 73 de M0BMU ----- Original Message -----=20 From: Gw3UEP=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Tuesday, July 24, 2007 3:24 PM Subject: Re: LF: [ 500]; Two GW's Testing... Jim, Re day-time land-path cw sigs; they are there but the limiting factor = is site noise-levels. I have solid/steady copy of kev but with little noise-margin - a few = dBs of noise would kill it. Also, fluctuating noise-levels can give the impression of qsb on weak = sigs. I have an mp3 [280k] recording of mal/chris at 10am, if you're = interested? [~240mls]. 73, Rog. ----- Original Message -----=20 From: James Moritz=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Tuesday, July 24, 2007 12:57 PM Subject: Re: LF: [ 500]; Two GW's Testing... Dear Mike, LF Group, No sign of your signal here in IO91VR north of London yet. I was = watching my own beacon signal on GM4SLV's handy screen grabber overnight. There = was pretty consistent reception without much fading while the path was in darkness, and nothing at all in daylight. I have not heard anything = much over 2-300km during the day time here; to me it really seems that the = ground wave signal levels "fall off a cliff" much beyond that over land, = although the fact that GM4SLV, G3KEV and other stations near the coast can hear = each other during daylight seems to confirm substantially greater = ground-wave range over the sea. All the DX reports on my beacon signals so far = have been during darkness; and the distant signals I have heard have been then = too, so it looks like the ionosphere is only really cooperating at night.Any possibility of operating your beacon after dark would be welcome here = - the 503.8 frequency is fine by me! Cheers, Jim Moritz 73 de M0BMU ----- Original Message ----- From: "Michael Probert" To: Sent: Tuesday, July 24, 2007 10:26 AM Subject: RE: LF: [ 500]; Two GW's Testing... > Beacon on 503.8 now @ 10.25 BST. Is this frequency clear? > Hope that helps > 73 > Mike GW4HXO ------=_NextPart_000_0024_01C7CE11.85FF1080 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Dear Rog,
 
Yes, please send the mp3 - that would = be=20 interesting to listen to. The noise level here is a few dB higher in the = E-W=20 direction on the loop than it is N-S. Mal's signal is about 9 - 10uV/m=20 here, usually around 20dB above the noise in a 300Hz = bandwidth -=20 all other things being  equal, I would at least expect to see = GW4HXO on the=20 spectrogram, but there is no trace at the moment here.
 
Cheers, Jim Moritz
73 de M0BMU
----- Original Message -----
From:=20 Gw3UEP
Sent: Tuesday, July 24, 2007 = 3:24=20 PM
Subject: Re: LF: [ 500]; Two = GW's=20 Testing...

Jim,
Re day-time land-path cw sigs; they = are there=20 but the limiting factor is site noise-levels.
I have solid/steady copy of kev but = with little=20 noise-margin - a few dBs of noise would kill it.
Also, fluctuating = noise-levels can give the=20 impression of qsb on weak sigs.
I have an mp3 [280k] recording of = mal/chris at=20 10am, if you're interested? [~240mls].
73, Rog.
 
----- Original Message -----=20
From: James Moritz
Sent: Tuesday, July 24, 2007 12:57 PM
Subject: Re: LF: [ 500]; Two GW's Testing...

Dear Mike, LF Group,

No sign of your signal here = in=20 IO91VR north of London yet. I was watching my
own beacon signal on = GM4SLV's=20 handy screen grabber overnight. There was
pretty consistent = reception=20 without much fading while the path was in
darkness, and nothing at = all in=20 daylight. I have not heard anything much
over 2-300km during the = day time=20 here; to me it really seems that the ground
wave signal levels = "fall off a=20 cliff" much beyond that over land, although
the fact that GM4SLV, = G3KEV and=20 other stations near the coast can hear each
other during daylight = seems to=20 confirm substantially greater ground-wave
range over the sea. All = the DX=20 reports on my beacon signals so far have been
during darkness; and = the=20 distant signals I have heard have been then too, so
it looks like = the=20 ionosphere is only really cooperating at night.Any
possibility of = operating=20 your beacon after dark would be welcome here - the
503.8 frequency = is fine=20 by me!

Cheers, Jim Moritz
73 de M0BMU

----- Original = Message=20 -----
From: "Michael Probert" <mjprobert@ynysdawelcottag= es.com>
To:=20 <rsgb_lf_group@blacksheep.org= >
Sent:=20 Tuesday, July 24, 2007 10:26 AM
Subject: RE: LF: [ 500]; Two GW's=20 Testing...


> Beacon on 503.8 now @ 10.25 BST. Is this = frequency=20 clear?
> Hope that helps
> 73
> Mike=20 GW4HXO

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