Return-Path: X-Spam-DCC: paranoid 1290; Body=2 Fuz1=2 Fuz2=2 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, HTML_30_40,HTML_MESSAGE autolearn=no version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id tAI7ULqb032688 for ; Wed, 18 Nov 2015 08:30:21 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Zyx56-0003WZ-02 for rs_out_1@blacksheep.org; Wed, 18 Nov 2015 07:23:04 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Zyx55-0003WQ-D2 for rsgb_lf_group@blacksheep.org; Wed, 18 Nov 2015 07:23:03 +0000 Received: from mail-wm0-f53.google.com ([74.125.82.53]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.86) (envelope-from ) id 1Zyx41-0001St-2F for rsgb_lf_group@blacksheep.org; Wed, 18 Nov 2015 07:23:02 +0000 Received: by wmec201 with SMTP id c201so59655239wme.1 for ; Tue, 17 Nov 2015 23:21:41 -0800 (PST) X-DKIM-Result: Domain=gmail.com Result=Good and Known Domain DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=jlJjPJnbKfXx2pQDwQr6rhx/z4HcVTjcaTB+bNcGdhE=; b=t3yns9xk99tvVs6Y2zDuCVTZw3+UkO4rsSiAcPKwUR6dkYDeXRJLY9s/UgxapdrT9s jxiJ904TgU/bbOOdz6mTmCNEheaYDV+QHd0tNtapw9Mu1Z7cH1A1vEcLz3hCyX8L48ZV RRnRfn5q+S9ztioQlgSD9XOdBxqLRHzSr7mLYbyjIk7bXehM2FesFsrRbl33tTnqKZVW RB5R0cZ5sx09MCqszsSlppk8ALlng1iQlvFXRIB0sSZ1aOnMd6gfYtjn7Ytr87IbbstR CHQmvG5QthRlhS90cH1ncqwc/Ze+IBCjdOHfaOmlre6IYkVzIL3n31ZqQOL3dK2oGJ54 Sakw== MIME-Version: 1.0 X-Received: by 10.28.15.194 with SMTP id 185mr2142551wmp.9.1447831301088; Tue, 17 Nov 2015 23:21:41 -0800 (PST) Received: by 10.28.130.139 with HTTP; Tue, 17 Nov 2015 23:21:41 -0800 (PST) In-Reply-To: References: Date: Wed, 18 Nov 2015 07:21:41 +0000 Message-ID: From: Andy Talbot To: rsgb_lf_group@blacksheep.org X-Scan-Signature: 1e15d6d6179985f133b43d42d658878a Subject: Re: LF: 137.780 dash's Content-Type: multipart/alternative; boundary=001a11469edc656ef00524cb7ed7 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-Scanned-By: MIMEDefang 2.56 on 10.1.3.10 Status: O X-Status: X-Keywords: X-UID: 5134 --001a11469edc656ef00524cb7ed7 Content-Type: text/plain; charset=UTF-8 I think you are seeing my EbNaut transmission using 0.5s symbols. The transmission itself is a little under 6 minutes long, and repeats every 10 minutes, so there is a 4 minute period of unmodulated carrier every 10 minutes. . That appears to be roughly what your grabber plots are showing. The energy is spread over 2Hz while it is keying, so in a narrow bandwidth FFT would appear to reduce in power The frequency of my transmission is very accurate. Overnight the DOCXO output, divided down to 1Hz, shifted, on average over the entire 10 hour period, just 2us compared with GPS. That corresponds to a mean frequency accuracy of the 10Mhz reference of 6*10^-11 - which is pretty good for a free running source.. It will shift a bit more when the central heating ramps the house up to 20C starting from 0600. On 18 November 2015 at 02:29, Roman RW3ADB wrote: > Hello genossen LFers! > > Who is it on 137.780 from England with 'dash's' similar signal? > Also are visible on EW6BN grab some time: > > http://136.su/index.php/topic,18.msg13738.html#msg13738 > > 73! > Roman > > Personal email: rw3adb@ya.ru > I use rw3adb.rsgb.lf@gmail.com for LF group only. > --001a11469edc656ef00524cb7ed7 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
I think you are seeing my EbNaut transmission using 0= .5s symbols.=C2=A0=C2=A0=C2=A0 The transmission itself is a little under 6 = minutes long, and repeats every 10 minutes, so there is=C2=A0a=C2=A04 minut= e period=C2=A0of unmodulated carrier every 10 minutes.=C2=A0=C2=A0 .
<= div>
That appears to be roughly what your grabber plots=C2=A0= are showing.=C2=A0 The energy is spread over 2Hz while it is keying, so in = a narrow bandwidth FFT would appear to reduce in power

=
The frequency of my transmission is very accurate.=C2=A0 Overnight the= DOCXO output, divided down to 1Hz, shifted, on average over the entire 10 = hour period, just 2us compared with GPS.=C2=A0=C2=A0 That corresponds to a = mean frequency accuracy of the 10Mhz reference of 6*10^-11=C2=A0 - which is= pretty good for a free running source..=C2=A0=C2=A0 It will shift a bit mo= re when the central heating ramps the house up to 20C starting from 0600.

On 18 N= ovember 2015 at 02:29, Roman RW3ADB <rw3adb.rsgb.lf@gmail.com&g= t; wrote:
Hello g= enossen LFers!

Who is it on 137.780 from England with &#= 39;dash's' similar signal?
Also are visible on EW6BN grab= some time:


=
73!
Roman
<= br>
Personal email: rw3adb@ya.ru
I use rw3adb.rsgb.lf@gmail.com=C2=A0for LF group only.

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