Return-Path: Received: from mtain-di06.r1000.mx.aol.com (mtain-di06.r1000.mx.aol.com [172.29.64.10]) by air-mb08.mail.aol.com (v129.4) with ESMTP id MAILINMB083-a7d94c00b44b3c3; Sat, 29 May 2010 02:29:31 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-di06.r1000.mx.aol.com (Internet Inbound) with ESMTP id 4A65B38000090; Sat, 29 May 2010 02:29:30 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OIFWR-0001BT-8M for rs_out_1@blacksheep.org; Sat, 29 May 2010 07:27:51 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OIFWQ-0001BK-Md for rsgb_lf_group@blacksheep.org; Sat, 29 May 2010 07:27:50 +0100 Received: from moutng.kundenserver.de ([212.227.17.8]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OIFWN-0000mN-Qs for rsgb_lf_group@blacksheep.org; Sat, 29 May 2010 07:27:50 +0100 Received: from [192.168.2.100] (p5B06C528.dip.t-dialin.net [91.6.197.40]) by mrelayeu.kundenserver.de (node=mrbap0) with ESMTP (Nemesis) id 0MBICz-1OSOPA1mQX-00AEk7; Sat, 29 May 2010 08:27:41 +0200 Message-ID: <4C00B3D8.40403@legal-medicine.de> Date: Sat, 29 May 2010 08:27:36 +0200 From: pws User-Agent: Thunderbird 2.0.0.19 (X11/20081227) MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <38A51B74B884D74083D7950AD0DD85E82A1C00@File-Server-HST.hst.e-technik.tu-darmstadt.de> <4BFFEECE.4040708@iup.uni-heidelberg.de> In-Reply-To: <4BFFEECE.4040708@iup.uni-heidelberg.de> X-Provags-ID: V01U2FsdGVkX1+0joU8vCpPnPIzB6AD1DS4X2Mb/hNwWHXEGCV qAf+XBOI1g8o81Nh5S/86Xedsd/dV68sg2Ss4jqmryrF46iFK3 apG8YKC/aUIq4geGj9bygUEcpwh9b7d X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: VLF: 8.97kHz - Near field and radiated signals, and all the nice experiments :-) Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none 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: 3039ac1d400a4c00b44a1200 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) Hi Stefan, You wrote: > ... > Thus, the strong LF and MF broadcast signals are well attenuated, > as it seems. I am interested what happens in the night, when QRM goes > down and the LF/MF DX window opens. The grabber2 is still available at > http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber2.html Looking good, congrats! I wonder about that signal visible at 2100 Hz. It shows a typical MSK-bandwidth and a diurnal run not unlike the others above. May be it's mirrored from next Nyquist-domain: 24000 + (24000-2100) = 45900 ==> NSY, Sicily, usually very strong. Gruesse aus Kiel, Peter