Return-Path: <owner-rsgb_lf_group@blacksheep.org> X-Spam-DCC: paranoid 1356; 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=-0.9 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, HTML_40_50,HTML_MESSAGE,MIME_HTML_ONLY,NO_REAL_NAME 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 tB8LTuoT001572 for <sq5bpf@lipkowski.org>; Tue, 8 Dec 2015 22:29:56 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1a6Pmb-0007df-QC for rs_out_1@blacksheep.org; Tue, 08 Dec 2015 21:26:49 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1a6Pmb-0007dW-Hf for rsgb_lf_group@blacksheep.org; Tue, 08 Dec 2015 21:26:49 +0000 Received: from smtp-out01.xworks.net ([31.25.48.13]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.86) (envelope-from <uwe-jannsen@kabelmail.de>) id 1a6PlX-0002ta-Dj for rsgb_lf_group@blacksheep.org; Tue, 08 Dec 2015 21:26:48 +0000 Received: from mailbackend1 (cluster06.xworks.net [10.100.1.80]) by smtp-out01.xworks.net (Postfix) with ESMTP id BBEB960CF3 for <rsgb_lf_group@blacksheep.org>; Tue, 8 Dec 2015 22:25:24 +0100 (CET) X-DKIM-Result: Domain=kabelmail.de Result=Signature OK DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kabelmail.de; s=mail; t=1449609924; bh=+fdpplQOfKLO3IRtbY+xKpO3hNfPIIBhNzADpOYdSjU=; h=In-Reply-To:From:To:Date:Subject:MIME-Version:Content-type; b=0ePvT4ABGZ3KiWmp2YVpQNfwJTJFw7LOqMJpYmHg7lfLg5sjJOOBSp5BOch1JvD1k 8Oq2GX+hWe1Sok7yqAoyBgl3J0pOEqbEul+sFZLV+enuO5Dc09IZeC5MedmoBlOhUw xWWI1t4zUi+GLGXfmoMMTl/yz1IbqrbA4oFLKNr8= In-Reply-To: <566741D3.1040906@abelian.org> From: uwe-jannsen@kabelmail.de To: rsgb_lf_group@blacksheep.org Message-ID: <da4c6ecd2e2143448daf15201001e47e@kabelmail.de> Date: Tue, 08 Dec 2015 22:25:22 +0100 X-Priority: 3 MIME-Version: 1.0 X-Scan-Signature: b77892ad90d0261eaf071f4f6cf31464 Subject: AW: Re: LF: 8270 Hz traces again! AK Content-type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable 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: 5669 <html><head></head><body><div style=3D"font-family: arial,helvetica,san= s-serif; font-size: 12px;">rain agn=2E the transmission has been switch= ed off at 21:06:42=2E<br><br>what abt the second message 20:01 until 21= :02 ?<br>can you decode that one?<br><br>Uwe/dj8wx<br><br> <div cl= ass=3D"replyHeader" style=3D"background-color:#f9f9f9;line-height:20px;= padding:5px;border-top:1px solid #dfdfdf;"><b style=3D"width:80px;displ= ay:inline-block;font-size:95%;">Von:</b> Paul Nicholson <vlf0403@abe= lian=2Eorg><br><b style=3D"width:80px;display:inline-block;font-size= :95%;">Gesendet:</b> 08=2E12=2E2015 21:53<br><b style=3D"width:80px;dis= play:inline-block;font-size:95%;">An:</b> <rsgb_lf_group@blacksheep=2E= org><br><b style=3D"width:80px;display:inline-block;font-size:95%;">= Betreff:</b> Re: LF: 8270 Hz traces again! AK</div> <div><br>Carri= er of DJ8WX measured in about 80uHz bandwidth=2E S/N is 18=2E4dB in<br>= this bandwidth=2E<br><br><a title=3D"http://abelian=2Eorg/vlf/tmp/15120= 8a=2Egif" target=3D"_blank" href=3D"http://abelian=2Eorg/vlf/tmp/151208= a=2Egif">http://abelian=2Eorg/vlf/tmp/151208a=2Egif</a><br><br>The magn= etic flux density of 0=2E1fT corresponds to around<br>30nV/m electric f= ield strength=2E<br><br>Uwe wrote (28th Nov)<br><br>> Coding 8k19a<b= r>> Characters 2<br>> Bits 368<br>> Duration 01:01:20=2E00<br>= > Start 2015-11-28 17:00:00<br>> Rpt on hour<br>> (in between = carrier only)<br><br>With the above S/N, this should decode at about Eb= /N0 =3D +2=2E5dB<br><br>Uwe wrote (today)<br><br>> carrier on the ai= r=2E<br>> the message starts at 18:00:00<br><br>At 18:00 I am still = getting carrier=2E When I run this into<br>the decoder it struggles to = decode, the noise has come up<br>since the S/N measurement=2E I add in = the E-field to gain a<br>couple of dB and then the carrier decodes:<br>= <br>18:00:00 to 19:01:20<br>found rank 0: ** ps [ 2 30 30 30 30]<br>re-= encode 131/368 ber 3=2E56e-01 Es/N0=3D-11=2E6 Eb/N0=3D3=2E3<br><br>(Car= rier decodes to a string of * characters)=2E<br><br>--<br>Paul Nicholso= n<br>--<br> </div></div></body></html>