Return-Path: Received: from mtain-dg06.r1000.mx.aol.com (mtain-dg06.r1000.mx.aol.com [172.29.65.14]) by air-mc04.mail.aol.com (v129.4) with ESMTP id MAILINMC044-a9324cc6bfde117; Tue, 26 Oct 2010 07:47:42 -0400 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dg06.r1000.mx.aol.com (Internet Inbound) with ESMTP id D88D338000091; Tue, 26 Oct 2010 07:47:35 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1PAhvZ-0004WB-3n for rs_out_1@blacksheep.org; Tue, 26 Oct 2010 12:42:53 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1PAhvY-0004W2-No for rsgb_lf_group@blacksheep.org; Tue, 26 Oct 2010 12:42:52 +0100 Received: from relay.uni-heidelberg.de ([129.206.100.212]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1PAhvU-0003D9-PC for rsgb_lf_group@blacksheep.org; Tue, 26 Oct 2010 12:42:52 +0100 Received: from freitag.iup.uni-heidelberg.de (freitag.iup.uni-heidelberg.de [129.206.29.204]) by relay.uni-heidelberg.de (8.14.1/8.14.1) with ESMTP id o9QBg5lq003244 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Tue, 26 Oct 2010 13:42:05 +0200 Received: from [129.206.29.99] (pc99.iup.uni-heidelberg.de [129.206.29.99]) by freitag.iup.uni-heidelberg.de (8.12.11.20060308/8.11.2) with ESMTP id o9QBgfGm032761 for ; Tue, 26 Oct 2010 13:42:41 +0200 Message-ID: <4CC6BE1D.4010503@iup.uni-heidelberg.de> Date: Tue, 26 Oct 2010 13:40:13 +0200 From: =?ISO-8859-1?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: <4CC69F88.6040905@xtra.co.nz> In-Reply-To: <4CC69F88.6040905@xtra.co.nz> X-Spam-Score: 1.4 (+) X-Spam-Report: autolearn=disabled,RATWARE_GECKO_BUILD=1.426 Subject: Re: LF: Alpha stations Content-Type: text/plain; charset=ISO-8859-1; format=flowed 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: 3039ac1d410e4cc6bfd6026f X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none X-Mailer: Unknown (No Version) Hello Con, Thank you! The Alphas are currently off. You can check it on my VLF grabber if you want, it is running 24/7: http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber.html There is a grabber window (RSDN-20_F1) which shows the Alpha trace at 11904.7619 Hz. You can see it is OFF since 2 days. The lower window (wideband) shows the VLF spectrum, as received here in Heidelberg. There, you can see all 3 Alpha traces, if they are ON, at about 15 dB S/N, depending on daytime but always visible... Good luck in experimenting down there :-) 73, Stefan/DK7FC Am 26.10.2010 11:29, schrieb ZL2AFP: > Hello folks, > > I am new to the group and have been following with great interest the > VLF experiments. Congratulations to Stefan on such great DX (1000+km). > This is really good stuff. > > I have noticed in recent days that the Alpha stations at 11.9 and > 14.8kHz seem to have stopped transmitting. I can normally hear seven > stations but they have all disappeared. So I am wondering if > propagation has taken a dive, or perhaps the stations have gone QRT? > > Has anyone over there heard the Alpha stations recently? > > 73 > Con ZL2AFP