Return-Path: Received: from mtain-me04.r1000.mx.aol.com (mtain-me04.r1000.mx.aol.com [172.29.96.140]) by air-da07.mail.aol.com (v129.10) with ESMTP id MAILINDA071-85e94ddb96bc229; Tue, 24 May 2011 07:30:04 -0400 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-me04.r1000.mx.aol.com (Internet Inbound) with ESMTP id 27DF6380000A2; Tue, 24 May 2011 07:30:01 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1QOpms-00011B-6T for rs_out_1@blacksheep.org; Tue, 24 May 2011 12:28:34 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1QOpmr-000112-Ks for rsgb_lf_group@blacksheep.org; Tue, 24 May 2011 12:28:33 +0100 Received: from relay2.uni-heidelberg.de ([129.206.210.211]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1QOpmp-0002kv-Dd for rsgb_lf_group@blacksheep.org; Tue, 24 May 2011 12:28:33 +0100 Received: from freitag.iup.uni-heidelberg.de (freitag.iup.uni-heidelberg.de [129.206.29.204]) by relay2.uni-heidelberg.de (8.13.8/8.13.8) with ESMTP id p4OBSNtk004260 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Tue, 24 May 2011 13:28:29 +0200 Received: from [129.206.22.206] (pc206.iup.uni-heidelberg.de [129.206.22.206]) by freitag.iup.uni-heidelberg.de (8.12.11.20060308/8.11.2) with ESMTP id p4OBSNJJ012951 for ; Tue, 24 May 2011 13:28:23 +0200 Message-ID: <4DDB95E9.8030906@iup.uni-heidelberg.de> Date: Tue, 24 May 2011 13:26:33 +0200 From: =?ISO-8859-15?Q?Stefan_Sch=E4fer?= User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <4DDB7B81.1050007@iup.uni-heidelberg.de> In-Reply-To: <4DDB7B81.1050007@iup.uni-heidelberg.de> X-MIME-Autoconverted: from 8bit to quoted-printable by relay2.uni-heidelberg.de id p4OBSNtk004260 X-Spam-Score: 1.4 (+) X-Spam-Report: autolearn=disabled,RATWARE_GECKO_BUILD=1.426 Subject: Re: VLF: 18,2 kHz? Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: quoted-printable 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: 3039ac1d608c4ddb96b93639 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none X-Mailer: Unknown (No Version) ... some VLF grabbers are not active but the signal is/was visible here to= o: http://www.ok2bvg.cz/vlfgrabber/ http://qsl.net/4x1rf/yo/vlfgrabber.htm 73, Stefan Am 24.05.2011 11:33, schrieb Stefan Sch=E4fer: > VLF, > Does someone know what is the trace on 18.2 or 18.3 kHz that i can=20 > receive at about 10 dB SNR? > > http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber.html > > Maybe VTX India or so? Just like last year i notice that some of the=20 > very far MSK transmitters seem to be bettwer visible in the summer=20 > time. Maybe, if the top DX distance on VLF by amateurs will be well=20 > above 3500 km, the southern hemisphere becomes interesting. Then,=20 > chances may be optimal not during the absolute winther months but=20 > maybe in spring or autumn? Still there is a lack of receiving stations= =20 > there, at least receiving in DFCW-600 or DFCW-2400. > > I still plan to convince a station in Greenland/OX to become active on= =20 > VLF but it's not so easy... > > 73, Stefan/DK7FC