Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by klubnl.pl (8.14.4/8.14.4/Debian-8+deb8u2) with ESMTP id vBRHXQmC001386 for ; Wed, 27 Dec 2017 18:33:29 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1eUFOu-0007DV-KZ for rs_out_1@blacksheep.org; Wed, 27 Dec 2017 17:21:56 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1eUFOt-0007DM-Ue for rsgb_lf_group@blacksheep.org; Wed, 27 Dec 2017 17:21:55 +0000 Received: from omr-a016e.mx.aol.com ([204.29.186.65]) by relay1.thorcom.net with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.89) (envelope-from ) id 1eUFOq-0001GV-Kv for rsgb_lf_group@blacksheep.org; Wed, 27 Dec 2017 17:21:54 +0000 Received: from mtaomg-mcd01.mx.aol.com (mtaomg-mcd01.mx.aol.com [172.26.223.207]) by omr-a016e.mx.aol.com (Outbound Mail Relay) with ESMTP id 1400538000A2 for ; Wed, 27 Dec 2017 12:21:50 -0500 (EST) Received: from core-acb07a.mail.aol.com (core-acb07.mail.aol.com [172.27.24.7]) by mtaomg-mcd01.mx.aol.com (OMAG/Core Interface) with ESMTP id B29A138000081 for ; Wed, 27 Dec 2017 12:21:48 -0500 (EST) Received: from 80.146.228.86 by webjas-vad209.srv.aolmail.net (10.96.35.212) with HTTP (WebMailUI); Wed, 27 Dec 2017 12:21:48 -0500 Date: Wed, 27 Dec 2017 12:21:48 -0500 From: Markus Vester To: rsgb_lf_group@blacksheep.org Message-Id: <16098fe9040-1721-8182e@webjas-vad209.srv.aolmail.net> In-Reply-To: <469fe5da-82ef-025c-9ccd-d93a4d48089d@abelian.org> MIME-Version: 1.0 X-MB-Message-Source: WebUI X-MB-Message-Type: User X-Mailer: JAS STD X-Originating-IP: [80.146.228.86] x-aol-global-disposition: G X-AOL-VSS-INFO: 5800.7501/124898 X-AOL-VSS-CODE: clean DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20150623; t=1514395310; bh=P/ODBK4iYxBFhdFsN2/AmW+PGkR2zewWvTjogOL1LUY=; h=From:To:Subject:Message-Id:Date:MIME-Version:Content-Type; b=QIC9N3jqGhtfCXOG0Af+MNin6Fo+bzoudNRNe29LrP9cuRRUGYymDqx6kzbFcrVTa lJcTFDUIKMH27/cfTgspPp4SFmhpDrefmMh9mK97pIIH4WrJ2s2aXUKZSqKLzFhrbq yBa42hYihRiCSx2v/Z0ITex/lc9pVNVDf/t05Hrk= x-aol-sid: 3039ac1adfcf5a43d6ac7ca0 X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Well done again! Knowing the message, I looked for the W4DEX signal in Amberg. As a compromise between 8270.0 and 8270.1, the recorded band from the DL0AO cardioid currently covers 8270.05 +-0.171 Hz. Fortunately this contains at least the full main lobe of Dex' PSK spectrum. After unspreading, there appeared a small peak with 5.1 dB SNR in 35.9 uHz, equivalent to -7.2 dB Eb/N0. [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (markusvester[at]aol.com) -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain 0.0 HTML_MESSAGE BODY: HTML included in message 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: e21031ef48bbae1c5a8c64549547751e Subject: Re: VLF: New world record distance by W4DEX and IK1QFK Content-Type: multipart/mixed; boundary="----=_Part_701165_1798584748.1514395308096" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.1 required=5.0 tests=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 ------=_Part_701165_1798584748.1514395308096 Content-Type: multipart/alternative; boundary="----=_Part_701164_337986702.1514395308096" ------=_Part_701164_337986702.1514395308096 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Well done again! Knowing the message, I looked for the W4DEX signal in Amberg. As a compromi= se between 8270.0 and 8270.1, the recorded band from the DL0AO cardioid cur= rently covers 8270.05 +-0.171 Hz. Fortunately this contains at least the fu= ll main lobe of Dex' PSK spectrum. After unspreading, there appeared a smal= l peak with 5.1 dB SNR in 35.9 uHz, equivalent to -7.2 dB Eb/N0. Best 73, Markus -----Urspr=C3=BCngliche Mitteilung-----=20 Von: Paul Nicholson An: rsgb_lf_group Verschickt: Mi, 27. Dez 2017 9:36 Betreff: Re: VLF: New world record distance by W4DEX and IK1QFK Dex wrote: > 3 chars 16K21A CRC20 > 30 second symbols > Start 22:30 UT At Bielefeld (6917.7 km): Eb/N0 -3.3 dB; At Warsaw (7681.3 km): Eb/N0 -6.5 dB; At Hawley TX (1816.2 km): Eb/N0 +5.7 dB *Decoded*; The decode at Hawley is a new USA record distance for VLF message decode. If Alex can supply a WAV file, I will analyse it to measure Dex's signal. Frequency is 8269.9 Hz and the message ran from 2017-12-26 22:30 to 2017-12-27 06:14 UT. The intention was to use 16K23A but I had forgotten that code is not yet in the Windows version. -- Paul Nicholson -- ------=_Part_701164_337986702.1514395308096 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
Well done again!

Knowing the messag= e, I looked for the W4DEX signal in Amberg. As a compromise between 8270.0 = and 8270.1, the recorded band from the DL0AO cardioid currently covers 8270= .05 +-0.171 Hz. Fortunately this contains at least the full main lobe of De= x' PSK spectrum. After unspreading, there appeared a small peak with 5.1 dB= SNR in 35.9 uHz, equivalent to -7.2 dB Eb/N0.

Best 73= ,
Markus



-----Urspr=C3=BCngliche Mitteilung-----
Von:= Paul Nicholson <vlf0403@abelian.org>
An: rsgb_lf_group <rsgb_l= f_group@blacksheep.org>
Verschickt: Mi, 27. Dez 2017 9:36
Betreff:= Re: VLF: New world record distance by W4DEX and IK1QFK


De= x wrote:

> 3 chars 16K21A CRC20
> 30 second symbols
&= gt; Start 22:30 UT

At Bielefeld (6917.7 km): Eb/N0 -3.3 dB;

A= t Warsaw (7681.3 km): Eb/N0 -6.5 dB;

At Hawley TX (1816.2 km): Eb/N0= +5.7 dB *Decoded*;

The decode at Hawley is a new USA record distanc= e
for VLF message decode.

If Alex can supply a WAV file, I will a= nalyse it to
measure Dex's signal. Frequency is 8269.9 Hz
and the m= essage ran from 2017-12-26 22:30 to
2017-12-27 06:14 UT.

The inte= ntion was to use 16K23A but I had forgotten
that code is not yet in the = Windows version.

--
Paul Nicholson
--

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