Return-Path: X-Spam-DCC: paranoid 1290; Body=2 Fuz1=2 Fuz2=2 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-0.7 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, RATWARE_GECKO_BUILD autolearn=no version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id t2L9JEqA025798 for ; Sat, 21 Mar 2015 10:19:15 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1YZFVi-0002bh-5F for rs_out_1@blacksheep.org; Sat, 21 Mar 2015 09:16:02 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1YZFVh-0002bY-Mb for rsgb_lf_group@blacksheep.org; Sat, 21 Mar 2015 09:16:01 +0000 Received: from mout.kundenserver.de ([212.227.126.130]) by relay1.thorcom.net with esmtp (Exim 4.85) (envelope-from ) id 1YZFVe-0000w3-59 for rsgb_lf_group@blacksheep.org; Sat, 21 Mar 2015 09:16:00 +0000 Received: from [192.168.2.104] ([217.82.14.175]) by mrelayeu.kundenserver.de (mreue002) with ESMTPSA (Nemesis) id 0MFljh-1Yl1E81a2n-00Eb9k for ; Sat, 21 Mar 2015 10:15:57 +0100 Message-ID: <550D36CB.90200@df3lp.de> Date: Sat, 21 Mar 2015 10:15:55 +0100 From: pws User-Agent: Mozilla/5.0 (X11; Linux i686; rv:31.0) Gecko/20100101 Icedove/31.4.0 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <9CFA5B9805574BB082903B111F336D07@White> <816ADDCF03CD4A6E9ED49E63E4FC868A@Black> In-Reply-To: <816ADDCF03CD4A6E9ED49E63E4FC868A@Black> X-Provags-ID: V03:K0:ydcsQlyylcf4Uo5GfLa/xLmeVDuiRJijmNrU45GaGwnbSBw+Ae8 UPwfl8rqk1VbcnEzOyOFhPMNMrlTYcpnXVIZGR8qPlS+s6R5PN6PT/zKT3z0jJSaA1F2EjG nTyvf9J9ZRwo4q4Pc2mi12JC6ZjihErICoG7TnRvrv3rl6NgtlozYcFcDnaDixgFvVDdstY FVl1cOrli+WL7+oBaIpLg== X-UI-Out-Filterresults: notjunk:1; X-Scan-Signature: 7aa9ad08848e488e22e0ff1d71f4ef1d Subject: Re: LF: Radio Focussing by Solar Eclipse? Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit 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-Scanned-By: MIMEDefang 2.56 on 10.1.3.10 Status: O X-Status: X-Keywords: X-UID: 2750 Moin Markus, You wrote: > Just came across at an excellent web paper by Micha Sanders (PC4M, PA3BSH) > http://misan.home.xs4all.nl/eclipse.htm, dealing with observations of the > HBG 75 kHz time signal during the 1999 solar eclipse. Most observers found > a characteristic W-shaped fieldstrength curve, with a central maximum > preceeded and followed by two minima. This was found to agree very well > with a simulation based on local D-layer height variation around the moon's > shadow. > ... Mentioned in the article but not shown in this version: http://lf-radio.de/misc/eclipse/eclipse_1999.png The reason was, that I used a different method: selective level meter and DVM with serial output. 73 de df3lp, Peter