Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dk04.r1000.mx.aol.com (Internet Inbound) with ESMTP id 8C3A638000082; Fri, 9 Mar 2012 09:17:32 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1S60c3-00038y-1X for rs_out_1@blacksheep.org; Fri, 09 Mar 2012 14:16:07 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1S60c2-00038p-Lc for rsgb_lf_group@blacksheep.org; Fri, 09 Mar 2012 14:16:06 +0000 Received: from smtp-vbr15.xs4all.nl ([194.109.24.35]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1S60c0-00020x-Aq for rsgb_lf_group@blacksheep.org; Fri, 09 Mar 2012 14:16:06 +0000 Received: from pc-roelof (ndb.demon.nl [82.161.81.65]) by smtp-vbr15.xs4all.nl (8.13.8/8.13.8) with ESMTP id q29EG3Ac092412 for ; Fri, 9 Mar 2012 15:16:03 +0100 (CET) (envelope-from roelof@ndb.demon.nl) To: rsgb_lf_group@blacksheep.org References: <1331298569.45324.YahooMailClassic@web86504.mail.ird.yahoo.com> Date: Fri, 09 Mar 2012 15:15:53 +0100 MIME-Version: 1.0 From: "Roelof Bakker" Message-ID: In-Reply-To: <1331298569.45324.YahooMailClassic@web86504.mail.ird.yahoo.com> User-Agent: Opera Mail/11.61 (Win32) X-Virus-Scanned: by XS4ALL Virus Scanner X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Content-Type: text/plain; charset=iso-8859-15; format=flowed; delsp=yes Subject: Re: LF: Big solar flare - major geomagnetic storms to follow 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-SCOLL-SCORE: 0:2:423107008:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1db4084f5a10fc5a2e X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Hello Alan, For further "experimental data", on 518 kHz NAVTEX only stations from the north at a distance below 1000 km were received last night. Norlandet at 1374 km away, did not appear at all, where it is a very regular guest otherwise. It is interesting to note that a perfect decode was received from Miami, 7000+ km away at 04:05 UTC. What is also interesting is that my PERSEUS spectrum window from 0 - 40 MHz showes depressed signals above 2 MHz. The average level is 10 - 20 dB below normal. These SDR's lent themselves very well for wideband propagation study! 73, Roelof, pa0rdt