Return-Path: Received: from mtain-ma04.r1000.mx.aol.com (mtain-ma04.r1000.mx.aol.com [172.29.96.12]) by air-di07.mail.aol.com (v129.4) with ESMTP id MAILINDI071-eace4c28edfa171; Mon, 28 Jun 2010 14:46:18 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-ma04.r1000.mx.aol.com (Internet Inbound) with ESMTP id B2D7B3800031B; Mon, 28 Jun 2010 14:46:15 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OTJK9-0000HZ-Df for rs_out_1@blacksheep.org; Mon, 28 Jun 2010 19:44:53 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OTJK8-0000HQ-UY for rsgb_lf_group@blacksheep.org; Mon, 28 Jun 2010 19:44:52 +0100 Received: from smtp819.mail.ukl.yahoo.com ([217.12.12.248]) by relay1.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1OTJK8-0005zb-0d for rsgb_lf_group@blacksheep.org; Mon, 28 Jun 2010 19:44:52 +0100 Received: (qmail 97422 invoked from network); 28 Jun 2010 18:44:46 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=btopenworld.com; h=DKIM-Signature:Received:X-Yahoo-SMTP:X-YMail-OSG:X-Yahoo-Newman-Property:From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE:In-Reply-To:Importance; b=TwmEyZA1nB6ySZAl0vcmSmykDoL3B4ICigWWNN7PURbcmkWLx0vZBUU6vZoejVTJlMZud1pHkQ4lmaoed5ITeLh7IPtHlTnbOpMQEUkckI71X+ZK1byGpGBlW6SQZk27jRyJFLKl6Inbmrel2ronMM6QXDMTzZLXv2HZhyvihAI= ; DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=btopenworld.com; s=s1024; t=1277750686; bh=ZS63YQW6gv8t2zB0K/iDVmoyJleXwHpr+TBQfF9h4b4=; h=Received:X-Yahoo-SMTP:X-YMail-OSG:X-Yahoo-Newman-Property:From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE:In-Reply-To:Importance; b=gWNbDSGN6OV/qwZ/eXJEsOJCnqE9y+56AjYbHsmtkHAR3udap8h0Y+1DrDdkhXsR1QQnW7aT0De0zpKnPBsAKkzXlUNlFmzvI6ZUSwP5PuomtWaJM5VMIxYLKkfQ0t2mipgMFmkwxvUsPUKnIBYqVxqIKXKqSfjqJ34PPrKiFFc= Received: from aquarids (ganymede444@81.154.15.53 with login) by smtp819.mail.ukl.yahoo.com with SMTP; 28 Jun 2010 18:44:45 +0000 GMT X-Yahoo-SMTP: c8dPawiswBBxxmjSAvmKGJq150SoSoD6d8MTABSG9Now_xuQLZ9d X-YMail-OSG: 9PQ5A30VM1mE1pJ6ykXuMLT6TD03h.2vtW9sdhL1oNMZBpSH7OYBZiB6Z8e9HG.xuEBkwXTXwzUp9A1F5u9XA9gt67hnq6X9LBrbSpasheTRGUtfa.EeJw83nwcT4wYsuFgAQFG9g8o.MnKXix2avYGUApcLpJ7uFTzVova29UcC5QEN1KYAgLdXI3r3jCtjKKefn2QNv7swDmNcAyknqfUTfnt4tqFJRXyCFB7q2F7inkmThhT_WIdTGHjtGXsgRJ.NaRG0m5yUTgrE0EhkjfPyUk3RXmIeF2Bjh8Ux5wCiVi.GmRptkSxg3x8rJ3DYOlCqvQ-- X-Yahoo-Newman-Property: ymail-3 From: "Dave G3WCB" To: Date: Mon, 28 Jun 2010 19:44:43 +0100 Message-ID: MIME-Version: 1.0 X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2911.0) X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 In-Reply-To: <8CCE4CC6D348A2F-1EFC-14A7C@webmail-d037.sysops.aol.com> Importance: Normal DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001,UNPARSEABLE_RELAY=0.001 Subject: RE: VLF: Strong drifting carrier on VLF! Content-Type: multipart/alternative; boundary="----=_NextPart_000_0027_01CB16FA.5B06D2C0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.9 required=5.0 tests=FROM_ENDS_IN_NUMS,HTML_30_40, HTML_FONTCOLOR_BLUE,HTML_FONTCOLOR_UNKNOWN,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 x-aol-global-disposition: G X-AOL-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-d305.2 ; domain : btopenworld.com DKIM : pass x-aol-sid: 3039ac1d600c4c28edf7534f X-AOL-IP: 193.82.116.20 ------=_NextPart_000_0027_01CB16FA.5B06D2C0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Dear LF,=20 The mystery signal starts at 12 kHz, and sweeps up to 23 kHz over a pe= riod of a few hours, which is nearly an octave. What sort of antenna= system would be in use to allow that sort of frequency coverage? Ther= e must have been a lot of variometer twiddling and tap-changing going= on! 73, Dave G3WCB IO91RM -----Original Message----- From: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group= @blacksheep.org]On Behalf Of Markus Vester Sent: 28 June 2010 12:30 To: rsgb_lf_group@blacksheep.org Subject: Re: VLF: Strong drifting carrier on VLF! this is curious... wish I was at home and could attempt to get a bea= ring. Paul's http://abelian.org/vlf/spectrum.shtml has directional loo= p spectra but unfortunately it hasn't updated since Jun 24. During the= unid test transmissions, there were / are irregularities in the four-= hourly schedule of JXN 16.4 kHz, but this may be coincidence.=20 Best 73, Markus =20 -----Urspr=C3=BCngliche Mitteilung-----=20 Von: pws An: rsgb_lf_group@blacksheep.org Verschickt: Mo., 28. Jun. 2010, 12:45 Thema: Re: VLF: Strong drifting carrier on VLF! Hi, Stefan wrote: > ...Currently there is a very strong (abt 30 dB S/N) drifting carrier= that=20 started about 7:30 UTC on abt 12 kHz and is moving now up on 14 kHz... ... and further up. Visible also at North Germany on all my VLF/LF-monitors. That's one of those rare "staircases" which have been observed up to 30 kHz in the past. Cannot do some RDF from where I am= now. 73 from Kiel, Peter ------=_NextPart_000_0027_01CB16FA.5B06D2C0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Dear=20 LF,
 
The=20 mystery signal starts at 12 kHz, and sweeps up to 23 kHz over a period= of a few=20 hours, which is nearly an octave. What sort of antenna system would be= in use to=20 allow that sort of frequency coverage? There must have been a lot of= variometer=20 twiddling and tap-changing going on!
 
73,=20 Dave G3WCB IO91RM
-----Original Message-----
From:=20 owner-rsgb_lf_group@blacksheep.org=20 [mailto:owner-rsgb_lf_group@blacksheep.org]On Behalf Of Marku= s=20 Vester
Sent: 28 June 2010 12:30
To:=20 rsgb_lf_group@blacksheep.org
Subject: Re: VLF: Strong drif= ting=20 carrier on VLF!


this is curious... wish I was at home and could= attempt to get=20 a bearing. Paul's http://abelian.org/vlf/spectrum.shtml=20 has directional loop spectra but unfortunately it hasn't updated sin= ce Jun 24.=20 During the unid test transmissions, there were / are irregulari= ties in=20 the four-hourly schedule of JXN 16.4 kHz, but this may be coinc= idence.=20
 
Best 73,
Markus


 
-----Urspr=C3=BCngliche=20 Mitteilung-----
Von: pws <pws@legal-medicine.de>
An:=20 rsgb_lf_group@blacksheep.org
Verschickt: Mo., 28. Jun. 2010,=20 12:45
Thema: Re: VLF: Strong drifting carrier on VLF!

Hi,

Stefan wrote:

> ...Currently there is a very strong (abt 30 dB S/N) drifting carr=
ier that=20
started about 7:30 UTC on abt 12 kHz and is moving now up on 14 kHz...

... and further up. Visible also at North Germany on all my
VLF/LF-monitors. That's one of those rare "staircases" which have been
observed up to 30 kHz in the past. Cannot do some RDF from where I am=
 now.

73 from Kiel,
Peter
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