Return-Path: Received: from mtain-mk11.r1000.mx.aol.com (mtain-mk11.r1000.mx.aol.com [172.29.97.143]) by air-mc06.mail.aol.com (v129.4) with ESMTP id MAILINMC064-a9764cf2b38e27a; Sun, 28 Nov 2010 14:54:54 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mk11.r1000.mx.aol.com (Internet Inbound) with ESMTP id AE378380000B4; Sun, 28 Nov 2010 14:54:52 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1PMnJy-0001hW-6H for rs_out_1@blacksheep.org; Sun, 28 Nov 2010 19:54:02 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1PMnJx-0001hN-PU for rsgb_lf_group@blacksheep.org; Sun, 28 Nov 2010 19:54:01 +0000 Received: from imr-ma06.mx.aol.com ([64.12.78.142]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1PMnJv-00020b-6Y for rsgb_lf_group@blacksheep.org; Sun, 28 Nov 2010 19:54:01 +0000 Received: from mtaout-db02.r1000.mx.aol.com (mtaout-db02.r1000.mx.aol.com [172.29.51.194]) by imr-ma06.mx.aol.com (8.14.1/8.14.1) with ESMTP id oASJrgR6017423 for ; Sun, 28 Nov 2010 14:53:49 -0500 Received: from White (nrbg-4d07214f.pool.mediaWays.net [77.7.33.79]) by mtaout-db02.r1000.mx.aol.com (MUA/Third Party Client Interface) with ESMTPA id BA43CE0000A7 for ; Sun, 28 Nov 2010 14:53:47 -0500 (EST) Message-ID: <71009E49688E4194AA59E8CA96EAE452@White> From: "Markus Vester" To: References: <8FA94C1DE6F6465C9C511D7A455AB4BB@ns94d01ae4d850> <4CE85C77.5010109@kpnmail.nl> <4CF0B70E.1050009@online.fr> <4CF18164.1020505@online.fr> <4CF29F87.5020305@online.fr> <4CF2B0E8.30403@gmail.com> Date: Sun, 28 Nov 2010 20:54:14 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 12.0.1606 X-MimeOLE: Produced By Microsoft MimeOLE V12.0.1606 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: Re: LF: T/A [137kHz] Grabber noisy ! Content-Type: multipart/alternative; boundary="----=_NextPart_000_000B_01CB8F3E.6A949DA0" 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_40_50,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: 3039ac1d618f4cf2b38c4da4 X-AOL-IP: 195.171.43.25 ------=_NextPart_000_000B_01CB8F3E.6A949DA0 Content-Type: text/plain; charset="ISO-8859-15" Content-Transfer-Encoding: quoted-printable Dexter, Jean-Pierres wideband recording above 128 kHz contains all three telec= ontrol carriers (DCF49 128.93, HGA22 135.43, DCF39 138.83 kHz idle),= with DCF49 being the most audible one. The one you heard above 136.9= was most likely DCF39 - they sound perfectly alike as the FSK telegra= m formats are very similar. 73, Markus =20 From: Dexter McIntyre W4DEX=20 Sent: Sunday, November 28, 2010 8:43 PM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: LF: T/A [137kHz] Grabber noisy ! Jean-Pierre M=E9r=E9 (F1AFJ) wrote: > Hi Roelof , > I think that my QRM is local (perhaps CPL) I made capture and an aud= io=20 > recording, you can download it here: > http://jpmere.online.fr/LF/QRM_137kHz/ The data burst I hear about the middle your recording I was also heari= ng=20 here in North Carolina last evening while monitoring 136.9 kHz. Dex ------=_NextPart_000_000B_01CB8F3E.6A949DA0 Content-Type: text/html; charset="ISO-8859-15" Content-Transfer-Encoding: quoted-printable
Dexter,
 
Jean-Pierres wideband recording above= 128 kHz=20 contains all three telecontrol carriers (DCF49 128.93, HGA22 135.= 43, DCF39=20 138.83 kHz idle), with DCF49 being the most audible one. The = ;one you=20 heard above 136.9 was most likely DCF39 - they sound perfectly alike= as=20 the FSK telegram formats are very similar.
 
73, Markus

 
Sent: Sunday, November 28, 2010 8:43 PM
Subject: Re: LF: T/A [137kHz] Grabber noisy !
<= /DIV>

Jean-Pierre M=E9r= =E9 (F1AFJ) wrote:
> Hi=20 Roelof ,
> I think that my QRM is local (perhaps CPL) I made cap= ture and=20 an audio
> recording, you can download it here:
> http://jpmere.online.fr/= LF/QRM_137kHz/
The=20 data burst I hear about the middle your recording I was also hearing=
here in=20 North Carolina last evening while monitoring 136.9=20 kHz.

Dex
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