Return-Path: Received: from mtain-dh11.r1000.mx.aol.com (mtain-dh11.r1000.mx.aol.com [172.29.65.31]) by air-di04.mail.aol.com (v127_r1.1) with ESMTP id MAILINDI042-eac34b866f37e1; Thu, 25 Feb 2010 07:38:15 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-dh11.r1000.mx.aol.com (Internet Inbound) with ESMTP id 5C03C38000121; Thu, 25 Feb 2010 07:38:14 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Nkcy7-0003bO-Rs for rs_out_1@blacksheep.org; Thu, 25 Feb 2010 12:37:27 +0000 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Nkcy7-0003bF-GV for rsgb_lf_group@blacksheep.org; Thu, 25 Feb 2010 12:37:27 +0000 Received: from qmta06.westchester.pa.mail.comcast.net ([76.96.62.56]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Nkcy5-0004UM-Az for rsgb_lf_group@blacksheep.org; Thu, 25 Feb 2010 12:37:27 +0000 Received: from omta16.westchester.pa.mail.comcast.net ([76.96.62.88]) by qmta06.westchester.pa.mail.comcast.net with comcast id mBH91d00C1uE5Es56CdJjF; Thu, 25 Feb 2010 12:37:18 +0000 Received: from JAYDELL ([76.23.233.102]) by omta16.westchester.pa.mail.comcast.net with comcast id mCfr1d0082DDHkk3cCfr9T; Thu, 25 Feb 2010 12:39:52 +0000 Message-ID: <001d01cab617$43e9f6b0$8d01a8c0@JAYDELL> From: To: References: <001c01cab575$6bbb0460$0401a8c0@xphd97xgq27nyf> <20100225094846.EA85531E702@smtps01.kuleuven.be> <38A51B74B884D74083D7950AD0DD85E82A1B19@File-Server-HST.hst.e-technik.tu-darmstadt.de> <38A51B74B884D74083D7950AD0DD85E82A1B1B@File-Server-HST.hst.e-technik.tu-darmstadt.de> Date: Thu, 25 Feb 2010 07:37:16 -0500 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Spam-Score: 0.6 (/) X-Spam-Report: autolearn=disabled,NO_REAL_NAME=0.55 Subject: LF: Re: VLF test signals? Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.3 required=5.0 tests=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: 3039ac1d411f4b866f36046e X-AOL-IP: 193.82.116.20 Content-Transfer-Encoding: quoted-printable Stephan >Which commercial VLF transmitters can actually be received in the 10k= Hz range? The Alpha stations on 11.9, 12.7 and 14.9 kHz are visible (cw speed wa= terfall) and audible here a=20 good percentage of the time. Receiving setup is 1 meter e probe (J310= version of the Amrad e probe,=20 battery powered and transformer decoupled) to a Perseus SDR receiver. Jay W1VD WD2XNS WE2XGR/2 ----- Original Message -----=20 From: "Stefan Sch=E4fer" To: Sent: Thursday, February 25, 2010 6:58 AM Subject: LF: VLF test signals? Which commercial VLF transmitters can actually be received in the 10kH= z range? There is much listed=20 in the web but in times where these transmitters are shut down all thi= s may be already old stuff.=20 Who is receiving in this frequency region and can tell us a frequency= and the SNR he is achieving?=20 There are so many OMs who watch the VLF sector and have nothing done= with LF and this group. Perhaps=20 it it an idea to activate/motivate them for some tests, to increase th= e RXers density. Maybe it is good to compare some RX rprts in that region. But i will= rather be active at the=20 transmitters front now ;-) Stefan/DK7FC