Return-Path: Received: from mtain-dd09.r1000.mx.aol.com (mtain-dd09.r1000.mx.aol.com [172.29.64.149]) by air-mf02.mail.aol.com (v129.4) with ESMTP id MAILINMF021-8bcd4c5c2ba62a6; Fri, 06 Aug 2010 11:35:02 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-dd09.r1000.mx.aol.com (Internet Inbound) with ESMTP id 94F44380001B1; Fri, 6 Aug 2010 11:34:58 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OhOv6-0008Gs-B2 for rs_out_1@blacksheep.org; Fri, 06 Aug 2010 16:33:16 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OhOv4-0008Gj-VV for rsgb_lf_group@blacksheep.org; Fri, 06 Aug 2010 16:33:14 +0100 Received: from out1.ip04ir2.opaltelecom.net ([62.24.128.240]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OhOv3-0005lJ-H9 for rsgb_lf_group@blacksheep.org; Fri, 06 Aug 2010 16:33:14 +0100 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AgEFAB/IW0xOk869/2dsb2JhbACPawODY4xuccU7hToEgVWKPw X-IronPort-AV: E=Sophos;i="4.55,329,1278284400"; d="scan'208,217";a="300555276" Received: from unknown (HELO your91hoehfy9g) ([78.147.206.189]) by out1.ip04ir2.opaltelecom.net with SMTP; 06 Aug 2010 16:33:05 +0100 Message-ID: <000f01cb357c$aba5d5a0$0301a8c0@your91hoehfy9g> From: "mal hamilton" To: References: <6D39CC1F4253463CB8570333737E59AA@PCCasa><38A51B74B884D74083D7950AD0DD85E82A1C1D@File-Server-HST.hst.e-technik.tu-darmstadt.de><38A51B74B884D74083D7950AD0DD85E82A1C2E@File-Server-HST.hst.e-technik.tu-darmstadt.de><8585FA1C733D9A42AEA98C724D8FB811C053AA@FBCMST18V01.fbc.local><38A51B74B884D74083D7950AD0DD85E82A1C30@File-Server-HST.hst.e-technik.tu-darmstadt.de><48711884B26B40129A1D43EBB493A6BF@PCCasa><38A51B74B884D74083D7950AD0DD85E82A1C69@File-Server-HST.hst.e-technik.tu-darmstadt.de><001401cb1645$ce9e81c0$4001a8c0@lark><38A51B74B884D74083D7950AD0DD85E82A1C6C@File-Server-HST.hst.e-technik.tu-darmstadt.de> Date: Fri, 6 Aug 2010 16:33:07 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: Re: VLF: Strong drifting carrier on VLF! Content-Type: multipart/alternative; boundary="----=_NextPart_000_000C_01CB3585.0D310530" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.8 required=5.0 tests=HTML_30_40,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-sid: 3039ac1d40954c5c2ba27512 X-AOL-IP: 193.82.116.20 ------=_NextPart_000_000C_01CB3585.0D310530 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Gary You seem to have a sensitive RX on vlf. Can u see the signal testing= on 8.97 approx , my RX not calibrated. Long dashes with power variations. de mal/g3kev ----- Original Message -----=20 From: Gary - G4WGT=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Monday, June 28, 2010 11:37 AM Subject: Re: VLF: Strong drifting carrier on VLF! Hi Stefan, When I read your report I set up my VLF (M0BMU) loop & monitored the= re & also with my JRC NRD-345 Rx. The signal is quite strong on SpecLab & is moving up the frequency= in steps from 14.0 kHz to 15.0 kHz in last 30 minutes. The JRC is sho= wing S5 (noise S1) on the meter using Mini-Whip active antenna. 73 Gary - G4WGT. 2010/6/28 Stefan Sch=E4fer Dear group, Currently there is a very strong (abt 30 dB S/N) drifting carrier= that started about 7:30 UTC on abt 12 kHz and is moving now up on 14= kHz. First i thought that it is a local signal but now i saw that it= is also visible on the DF6NM VLF grabber with about same strength! http://www.mydarc.de/df6nm/vlf/vlfgrabber.htm http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber.ht= ml Has anyone an idea what it might be? It must be a commercial trans= mitter due to the signal strength at both locations! 73, Stefan/DK7FC ------=_NextPart_000_000C_01CB3585.0D310530 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Gary
You seem to have a sensitive RX on vl= f. Can u see=20 the signal testing on 8.97 approx , my RX not calibrated.
Long dashes with power variations.
de mal/g3kev
 
----- Original Message -----
Sent: Monday, June 28, 2010= 11:37=20 AM
Subject: Re: VLF: Strong drif= ting carrier=20 on VLF!

Hi Stefan,

When I read your report I set up my VLF (M0BMU) loop & moni= tored=20 there & also with my JRC NRD-345 Rx.

The signal is quite strong on SpecLab & is moving up the fr= equency in=20 steps from 14.0 kHz to 15.0 kHz in last 30 minutes. The JRC is showi= ng S5=20 (noise S1) on the meter using Mini-Whip active antenna.

73

Gary - G4WGT.





2010/6/28 Stefan Sch=E4fer = <schaefer@hst.t= u-darmstadt.de>
Dear=20 group,

Currently there is a very strong (abt 30 dB S/N) dri= fting=20 carrier that started about 7:30 UTC on abt 12 kHz and is moving no= w up on 14=20 kHz. First i thought that it is a local signal but now i saw that= it is also=20 visible on the DF6NM VLF grabber with about same strength!

= http://www.mydarc.de/df6nm/vlf/vlfgrabber.htm
http://www.iup.uni-heidelb= erg.de/schaefer_vlf/DK7FC_VLF_Grabber.html

Has=20 anyone an idea what it might be? It must be a commercial transmitt= er due to=20 the signal strength at both locations!

73,=20 Stefan/DK7FC




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