Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-1.8 required=5.0 tests=FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,HTML_MESSAGE,RCVD_IN_DNSWL_MED, RCVD_IN_SORBS_SPAM,SPF_PASS,T_DKIM_INVALID autolearn=ham autolearn_force=no version=3.4.0 X-Spam-DCC: : mailn 1480; Body=2 Fuz1=2 Fuz2=2 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by lipkowski.org (8.14.4/8.14.4/Debian-8+deb8u1) with ESMTP id v4UATZBl031624 for ; Tue, 30 May 2017 12:29:37 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1dFeLf-0001ep-Lb for rs_out_1@blacksheep.org; Tue, 30 May 2017 11:25:59 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1dFeLf-0001eg-At for rsgb_lf_group@blacksheep.org; Tue, 30 May 2017 11:25:59 +0100 Received: from omr-a010e.mx.aol.com ([204.29.186.54]) by relay1.thorcom.net with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.89) (envelope-from ) id 1dFeLa-0004qP-MZ for rsgb_lf_group@blacksheep.org; Tue, 30 May 2017 11:25:58 +0100 Received: from mtaomg-aam01.mx.aol.com (mtaomg-aam01.mx.aol.com [172.27.19.147]) by omr-a010e.mx.aol.com (Outbound Mail Relay) with ESMTP id 761493800090 for ; Tue, 30 May 2017 06:25:52 -0400 (EDT) Received: from core-ace07g.mail.aol.com (core-ace07.mail.aol.com [172.27.23.7]) by mtaomg-aam01.mx.aol.com (OMAG/Core Interface) with ESMTP id 17A9638000084 for ; Tue, 30 May 2017 06:25:52 -0400 (EDT) Received: from 80.146.228.71 by webprd-m46.mail.aol.com (10.74.63.41) with HTTP (WebMailUI); Tue, 30 May 2017 06:25:50 -0400 Date: Tue, 30 May 2017 06:25:51 -0400 From: Markus Vester To: rsgb_lf_group@blacksheep.org Message-Id: <15c58e3eb91-61cc-1d8c8@webprd-m46.mail.aol.com> In-Reply-To: <8C1C0075F3A767409EE14E6BCD68AAAC017723DECF@INTAMEX10.inta.es> MIME-Version: 1.0 X-MB-Message-Source: WebUI X-MB-Message-Type: User X-Mailer: JAS STD X-Originating-IP: [80.146.228.71] x-aol-global-disposition: G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20150623; t=1496139952; bh=Reo9pO5QJlw8dRa1AWqX/TArqhAWV4Cb5DGgFpFypgQ=; h=From:To:Subject:Message-Id:Date:MIME-Version:Content-Type; b=kLkXwJN06whepO76DFaKDLIxqBdsKWAV8fbuDlB5SRA+iuUA3elG/GgDlx5SQf3O5 0outDHPJ9eWjD35x5+R8JtU+q3v7y6TXUZnhyJpFZ05Dxbe3b0tsdX3G5xWpBftjC8 em/mAGGkfq+c2OEPIJC1snJZTf2483fJTe4zHtTQ= x-aol-sid: 3039ac1b1393592d48b02b2b X-Scan-Signature: 052e5a7ab87161a07560b72babff3441 Subject: Re: LF: Re: Four signals on 38.0, 40.4, 42.5, 44.2 kHz - what are they? Content-Type: multipart/alternative; boundary="----=_Part_145791_952368378.1496139950991" 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 2.75 Status: O X-Status: X-Keywords: X-UID: 11831 ------=_Part_145791_952368378.1496139950991 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Thanks Manuel! Yes, SRC is indeed listed on these frequencies on=20 http://x264.nl/dump/VLF-Frequencies.txt Scrolling down to the 38 kHz entry will bring up links to Yahoo VLF-group p= ostings from Wolf and Peter. Best 73,=20 Markus -----Urspr=C3=BCngliche Mitteilung-----=20 Von: Manuel Carbonell Alan=C3=ADs An: rsgb_lf_group Verschickt: Di, 30. Mai 2017 11:14 Betreff: LF: Re: Four signals on 38.0, 40.4, 42.5, 44.2 kHz - what are they= ? Dear friends: I think, the signals in 38.0, 40.4 and 44.2 could be Swedish Navy. The last= time I listen them was on Nov-15, with 38.0 and 44.2 kHz in parallel (on/o= ff at same time) 73 de -Manuel Carbonell- (EC4AA) De: owner-rsgb_lf_group@blacksheep.org [owner-rsgb_lf_group@blacksheep.org]= en nombre de Markus Vester [markusvester@aol.com] Enviado: lunes, 29 de mayo de 2017 20:55 Para: rsgb_lf_group@blacksheep.org Asunto: LF: Four signals on 38.0, 40.4, 42.5, 44.2 kHz - what are they? Bernd DF9RB from the DL0AO team proposed extending the display range of the= wideband grabbers to 48 kHz: http://df6nm.bplaced.net/dl0ao/VLFgrabber/vlfgrabber_dl0ao_test.htm Thereafter, we stumbled upon four unidentified strips on 38.0, 40.4, 42.5,= 44.2 kHz. My first thought was that these must be local interference. But = it turned out that they show pronounced nighttime fading, and they are also= visible on Peter's grabber in Kiel: http://lf-radio.de/cgi-bin/ki/show_wf.cgi?date=3D17-05-26 All four frequencies carry the same 200 Hz wide spectrum. Zooming in exhib= its a fine structure consisting of a number of closely spaced discrete line= s, suggesting modulation with a constantly repeating bit pattern (see secon= d grabber window at DL0AO). There are occasional bursts where the signal go= es up by 10 dB for several ten minutes, like yesterday around 21 UT. The re= d or purple colour-DF would indicate arrival from East or Northeast. Any ideas what these may be? 73, Markus (DF6NM) ------=_Part_145791_952368378.1496139950991 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
Thanks Manuel! Yes, SRC is indeed listed on these freque= ncies on
 http://x264.nl/dump/VLF-Frequencies.txt
Scrolling dow= n to the 38 kHz entry will bring up links to Yahoo VLF-group postings = from Wolf and Peter.

Best 73,
Markus


-----Urspr=C3=BC= ngliche Mitteilung-----
Von: Manuel Carbonell Alan=C3=ADs <carbonell= m@inta.es>
An: rsgb_lf_group <rsgb_lf_group@blacksheep.org>
= Verschickt: Di, 30. Mai 2017 11:14
Betreff: LF: Re: Four signals on 38.0= , 40.4, 42.5, 44.2 kHz - what are they?

Dear friends:

I think, the signals in 38.0, 40.4 and 44.2 could be Swedish Navy. T= he last time I listen them was on Nov-15, with 38.0 and 44.2 kHz in paralle= l (on/off at same time)

73 de


                   = ;                 -Manuel Carbonell= -
                   = ;                     &nb= sp; (EC4AA)


De: owner-rsgb_lf_group@blacksheep.org [owner-rsgb_lf_group@blacksheep.org] en nombr= e de Markus Vester [markusvester@ao= l.com]
Enviado: lunes, 29 de mayo de 2017 20:55
Para: rsgb_lf_group@= blacksheep.org
Asunto: LF: Four signals on 38.0, 40.4, 42.5, 44.2 kHz - what are th= ey?

Bernd DF9RB from the DL0AO team proposed extending the display rang= e of the wideband grabbers to 48 kHz:
 http://df6nm.bplaced.net/dl0ao/VLFgrabber/vlfg= rabber_dl0ao_test.htm

Thereafter, we stumbled upon four unidentified strips on 38.0, 40= .4, 42.5, 44.2 kHz. My first thought was that these must be local interfere= nce. But it turned out that they show pronounced nighttime fading, and=  they are also visible on Peter's grabber in Kiel:
 http://lf-radio.de/cgi-bin/ki/show_wf.cgi?date=3D17-05-2= 6

All four frequencies carry the same 200 Hz wide spectrum. Zooming in e= xhibits a fine structure consisting of a number of closely s= paced discrete lines, suggesting modulation with a constantly repeatin= g bit pattern (see second grabber window at DL0AO). There are occasional bursts where the signal goes up by 10 dB for=  several ten minutes, like yesterday around 21 UT. The red o= r purple colour-DF would indicate arrival from East or Northeast.

Any ideas what these may be?

73, Markus (DF6NM)

------=_Part_145791_952368378.1496139950991--