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 vAPF6l3o013873 for ; Sat, 25 Nov 2017 16:06:50 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1eIbwT-0003pr-GS for rs_out_1@blacksheep.org; Sat, 25 Nov 2017 15:00:29 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1eIbwS-0003pg-Hm for rsgb_lf_group@blacksheep.org; Sat, 25 Nov 2017 15:00:28 +0000 Received: from omr-m010e.mx.aol.com ([204.29.186.10]) by relay1.thorcom.net with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.89) (envelope-from ) id 1eIbwO-0008KY-TL for rsgb_lf_group@blacksheep.org; Sat, 25 Nov 2017 15:00:27 +0000 Received: from mtaomg-aan02.mx.aol.com (mtaomg-aan02.mx.aol.com [172.27.19.80]) by omr-m010e.mx.aol.com (Outbound Mail Relay) with ESMTP id DE7CB38000AC for ; Sat, 25 Nov 2017 10:00:22 -0500 (EST) Received: from core-acx08c.mail.aol.com (core-acx08.mail.aol.com [172.27.155.133]) by mtaomg-aan02.mx.aol.com (OMAG/Core Interface) with ESMTP id 2CC2A38000082 for ; Sat, 25 Nov 2017 10:00:22 -0500 (EST) Received: from 188.194.222.230 by webjas-vae093.srv.aolmail.net (10.96.23.96) with HTTP (WebMailUI); Sat, 25 Nov 2017 10:00:20 -0500 Date: Sat, 25 Nov 2017 10:00:21 -0500 From: Markus Vester To: rsgb_lf_group@blacksheep.org Message-Id: <15ff3b18f60-1d34-d3f1@webjas-vae093.srv.aolmail.net> In-Reply-To: <15ff36930cb-1d4f-d42c@webjas-vad143.srv.aolmail.net> MIME-Version: 1.0 X-MB-Message-Source: WebUI X-MB-Message-Type: User X-Mailer: JAS STD X-Originating-IP: [188.194.222.230] x-aol-global-disposition: G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20150623; t=1511622022; bh=nlpsJG/4t7bWP8wz6XQi/4ux9sgb2H/WtOXXnckR4HI=; h=From:To:Subject:Message-Id:Date:MIME-Version:Content-Type; b=XR5A7qlRYePpFWgZxcVxJ/Ie1E3FDHE4UErU2FbR3sLGxEkaxsmvoRbsCZYBHUgfL c1fUDErz4V4a7XVxc7XHJhCWuZmWUk4XF7lyW9BxpMUFLtPlyoCGKKH+PyaJdwydlU zvoEQaj2NvS6jNwNco1EcGrM9tlPL+r7ZxCQfdmY= x-aol-sid: 3039ac1b13505a1985864267 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: PS: A weak peak appeared again today on the DL0AO western cardioid. I have added another 21 uHz instance, which is using the sum of the two earth antennas to create a NW / SE loop-pattern. This should be better pointed to your direction and improve suppression of nighttime QRN from South America. [...] 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: b2000330e4064ca60a9f57e731b892da Subject: Re: VLF: Unfamiliar carrier on 8270.007 Content-Type: multipart/alternative; boundary="----=_Part_69139_152936315.1511622020960" 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 ------=_Part_69139_152936315.1511622020960 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable PS: A weak peak appeared again today on the DL0AO western cardioid. I have = added another 21 uHz instance, which is using the sum of the two earth ante= nnas to create a NW / SE loop-pattern. This should be better pointed to you= r direction and improve suppression of nighttime QRN from South America. Best 73, Markus -----Urspr=C3=BCngliche Mitteilung-----=20 Von: Markus Vester An: rsgb_lf_group Verschickt: Sa, 25. Nov 2017 14:41 Betreff: Re: VLF: Unfamiliar carrier on 8270.007 Hi Joe, browsing back through Paul's spectrograms, traces on 8270.0075 Hz have been= visible in Todmorden more or less every morning between Nov 13 and 24, wit= h most steady SNR on Nov 19, and none on Nov 21. Since Nov 11th, 21 uHz data from the DL0AO cardioid have been recorded with= out interruption. In an attempt to bring out your carrier, I have tried to = stack several mornings in different combinations, both coherently and incoh= erently. But results have been inconclusive and don't seem to match Paul's = receptions. So far, only a small peak appeared after adding 11th and 12th w= ith opposite phase, which does not seem right. Now it might help to have a small list of all your recent transmissions, te= lling us during which nights the carrier has been on air, and whether E-fie= ld pickup was used to stabilize the phase, or else when the absolute phase = might have changed due to modifications of the antenna tuning circuit. Best 73, Markus (DF6NM) -----Urspr=C3=BCngliche Mitteilung-----=20 Von: jcraig An: rsgb_lf_group Verschickt: Fr, 24. Nov 2017 15:08 Betreff: Re: AW: VLF: Unfamiliar carrier on 8270.007 This is remarkable. Is this your first TA reception below 9 kHz on a=20 spectrogram? The 0600ut enhancments are interesting too. I've only managed to detect the sigs at 7 km and perhaps at 20 km (on=20 Signal Hill) using an E-probe and a notepad. 3500km is astounding and a sure sign that work is needed on my RX methods. The carrier will continue tonight with EbNaut to follow tomorrow evening. TNX & 73 Joe VO1NA On Thu, 23 Nov 2017, Paul Nicholson wrote: Yes, look at this from a few days ago, http://abelian.org/vlf/fbins.shtml#p=3D1511204400&b=3D100&s=3Dsp http://abelian.org/vlf/fbins.shtml#p=3D1511118000&b=3D100&s=3Dsp and more if you scroll back a day at a time. Note how quite frequently the signals comes up very strong at about 06:00 for half hour or so. If you scroll back to the 10th there's Stefan on 8270.005 but no more sign of your signal. For some reason it's started showing up in the spectrogram since about the 13th. ... -- Paul Nicholson -- ------=_Part_69139_152936315.1511622020960 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
PS: A weak peak appeared again today o= n the DL0AO western cardioid. I have added another 21 uHz instance, wh= ich is using the sum of the two earth antennas to create a NW / SE loop-pat= tern. This should be better pointed to your direction and improve suppressi= on of nighttime QRN from South America.

Best 73,
Markus


-----Urspr=C3=BCngliche Mitteilung-----
Von: Markus Vester <markusvester@aol.com>
A= n: rsgb_lf_group <rsgb_lf_group@blacksheep.org>
Versc= hickt: Sa, 25. Nov 2017 14:41
Betreff: Re: VLF: Unfamiliar = carrier on 8270.007

Hi Joe,
b= rowsing back through Paul's spectrograms, traces on 8270.0075 Hz have been = visible in Todmorden more or less every morning between Nov 13 and 24, with= most steady SNR on Nov 19, and none on Nov 21.

Since Nov 11th, 21 uHz data from the DL0AO cardioid have been recorde= d without interruption. In an attempt to bring out your carrier, I have tri= ed to stack several mornings in different combinations, both coherently and= incoherently. But results have been inconclusive and don't seem to match P= aul's receptions. So far, only a small peak appeared after adding 11th and = 12th with opposite phase, which does not seem right.

Now it might help to have a small list of all yo= ur recent transmissions, telling us during which nights the carrier has bee= n on air, and whether E-field pickup was used to stabilize the phase, or el= se when the absolute phase might have changed due to modifications of the a= ntenna tuning circuit.

Best = 73,
Markus (DF6NM)


-----Urspr=C3=BCngliche Mitteilung-----
Von: jcr= aig <jcraig@mun.ca>=
An: rsgb_lf_group <rsgb_lf_group@blacksheep.org>
Verschickt: Fr, 24. Nov 2017 15:08
Betreff: Re: AW: VLF:= Unfamiliar carrier on 8270.007

This= is remarkable. Is this your first TA reception below 9 kHz on a
spectrogram? The 0600ut enhancments are interesting too.

I've only managed to detect the sigs at 7 km and= perhaps at 20 km (on
Signal Hill) using an E-probe and a = notepad. 3500km is astounding
and a sure sign that work is= needed on my RX methods.

The carrier wil= l continue tonight with EbNaut to follow tomorrow evening.
=
TNX & 73
Joe VO1NA
On Thu, 23 Nov 2017, Paul Nicholson wrote:
 Yes, look at this from a few days ago,
 http://abelian.org/vlf/fbins.shtml#p=3D1511204400&b=3D100&s=3Dsp=
 http://abelian.org/vlf/fbins.shtml#p=3D1511118000&= ;b=3D100&s=3Dsp

 and more if = you scroll back a day at a time. Note how quite
 freq= uently the signals comes up very strong at about 06:00
&nbs= p;for half hour or so.

 If you scroll= back to the 10th there's Stefan on 8270.005
 but no m= ore sign of your signal. For some reason it's
 starte= d showing up in the spectrogram since about the 13th.

...
 --
 Paul Nichols= on
 --


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