Return-Path: Received: from mtain-dc08.r1000.mx.aol.com (mtain-dc08.r1000.mx.aol.com [172.29.64.136]) by air-ma09.mail.aol.com (v129.4) with ESMTP id MAILINMA094-b53b4c29d9e81d8; Tue, 29 Jun 2010 07:32:56 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-dc08.r1000.mx.aol.com (Internet Inbound) with ESMTP id 8E54B380000F7; Tue, 29 Jun 2010 07:32:54 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OTZ2i-00050V-Eq for rs_out_1@blacksheep.org; Tue, 29 Jun 2010 12:31:56 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OTZ2i-00050M-0w for rsgb_lf_group@blacksheep.org; Tue, 29 Jun 2010 12:31:56 +0100 Received: from thsmsgxrt12p.thalesgroup.com ([192.54.144.135]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OTZ2g-0001KS-7m for rsgb_lf_group@blacksheep.org; Tue, 29 Jun 2010 12:31:55 +0100 Received: from thsmsgirt21p.corp.thales (unknown [10.33.231.5]) by thsmsgxrt12p.thalesgroup.com (Postfix) with ESMTP id 20BD041CE7C for ; Tue, 29 Jun 2010 13:31:48 +0200 (CEST) Received: from thsmsgiav13p.corp.thales (10.33.231.33) by thsmsgirt21p.corp.thales (8.5.103) id 4B990ED200F2232C for rsgb_lf_group@blacksheep.org; Tue, 29 Jun 2010 13:31:48 +0200 Received: from (unknown [10.33.231.1]) by thsmsgiav13p.corp.thales with smtp id 223a_1f80_e7608070_8371_11df_a527_0013725f4d82; Tue, 29 Jun 2010 13:31:48 +0200 Received: from NODALNET.clb.tcfr.thales (unknown [10.33.8.19]) by thsmsgirt11p.corp.thales (Postfix) with ESMTP id 0D748598049 for ; Tue, 29 Jun 2010 13:31:48 +0200 (CEST) Received: by nodalnet.clb.tcfr.thales with Internet Mail Service (5.5.2653.19) id ; Tue, 29 Jun 2010 13:31:47 +0200 Message-ID: From: Jean-Louis.RAULT@fr.thalesgroup.com To: rsgb_lf_group@blacksheep.org Date: Tue, 29 Jun 2010 13:31:45 +0200 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2653.19) X-Spam-Score: 0.6 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001,NO_REAL_NAME=0.55 Subject: RE: VLF: Strong drifting carrier on VLF! Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01CB177E.A7B05D24" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.3 required=5.0 tests=HTML_30_40,HTML_FONTCOLOR_BLUE, HTML_FONTCOLOR_UNKNOWN,HTML_MESSAGE,NO_REAL_NAME 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-sid: 3039ac1d40884c29d9e67485 X-AOL-IP: 193.82.116.20 ------_=_NextPart_001_01CB177E.A7B05D24 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable Starting hours seem to correspond to european working hours :o) =20 By the way, as an employee of a company developping, installing and mainta= ining high power VLF transmitters, I can say that such tests are very comm= on on the air (for example, testing a new antenna array, assessing an ante= nna beam pattern, or anything else such as a qualifying a new set of vario= metres, etc) =20 Jean-Louis F6AGR _____ =20 From: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@black= sheep.org] On Behalf Of Markus Vester Sent: Tuesday, June 29, 2010 1:10 PM To: rsgb_lf_group@blacksheep.org Subject: Re: VLF: Strong drifting carrier on VLF! Yes, and it's strong enough on the DK7FC grabber to see a samplerate alias= , stepping down all the way to 18 kHz. Yesterday Klaus DJ6LB near Nuernberg improvised a DF loop, and got approxi= mately 70=B0 / 250=B0 azimuth. So Russian origin would be a possibility.= Any other measurements available? Kind regards, Markus (DF6NM) =20 -----Urspr=FCngliche Mitteilung-----=20 Von: pws An: rsgb_lf_group@blacksheep.org Verschickt: Di., 29. Jun. 2010, 9:44 Thema: Re: VLF: Strong drifting carrier on VLF! Hi, The "staircase" continues today (2010-06-29) starting ~0630 utc at 23kHz,= reaching 30kHz around 0730utc. Peter ------_=_NextPart_001_01CB177E.A7B05D24 Content-Type: text/html; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable
Starting hours seem to correspond to euro= pean working hours=20 :o)
 
By the way, as an employee of a company= developping,=20 installing and maintaining high power VLF transmitters, I can say that suc= h=20 tests are very common on the air (for example, testing a new antenna= array,=20 assessing an antenna beam pattern, or anything else such as a qualifying= a new=20 set of variometres, etc)
 
Jean-Louis F6AGR


From: owner-rsgb_lf_group@blacksheep= .org=20 [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Markus= =20 Vester
Sent: Tuesday, June 29, 2010 1:10 PM
To:=20 rsgb_lf_group@blacksheep.org
Subject: Re: VLF: Strong drifting= =20 carrier on VLF!

Yes, and it's stron= g enough on=20 the DK7FC grabber to see a samplerate alias, stepping down&nbs= p;all=20 the way to 18 kHz.

Yesterday Klaus DJ6LB near Nuernberg improvised a DF loop, and= got=20 approximately 70=B0 / 250=B0 azimuth. So Russian origin would= be a=20 possibility. Any other measurements available?

Kind regards,
Markus (DF6NM)
 
-----Urspr=FCngliche=20 Mitteilung-----
Von: pws <pws@legal-medicine.de>
An:=20 rsgb_lf_group@blacksheep.org
Verschickt: Di., 29. Jun. 2010, 9:44
= Thema:=20 Re: VLF: Strong drifting carrier on VLF!

=
Hi,

The "staircase" continues today (2010-06-29) starting ~0630 utc at 23kHz, reaching 30kHz around 0730utc.

Peter

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