Return-Path: Received: from rly-mb03.mx.aol.com (rly-mb03.mail.aol.com [172.21.131.161]) by air-mb05.mail.aol.com (v125.7) with ESMTP id MAILINMB054-cf84ae9c7742d3; Thu, 29 Oct 2009 12:49:08 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-mb03.mx.aol.com (v125.7) with ESMTP id MAILRELAYINMB034-cf84ae9c7742d3; Thu, 29 Oct 2009 12:48:54 -0400 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1N3YAE-0004iW-OQ for rs_out_1@blacksheep.org; Thu, 29 Oct 2009 16:47:54 +0000 Received: from [83.244.159.144] (helo=relay3.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1N3YAE-0004iN-8B for rsgb_lf_group@blacksheep.org; Thu, 29 Oct 2009 16:47:54 +0000 Received: from out1.ip02ir2.opaltelecom.net ([62.24.128.238]) by relay3.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1N3YA0-0008E5-8a for rsgb_lf_group@blacksheep.org; Thu, 29 Oct 2009 16:47:42 +0000 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ApsEAB5k6UpOlWet/2dsb2JhbACEO9oyhD0E X-IronPort-AV: E=Sophos;i="4.44,647,1249254000"; d="scan'208";a="65141006" Received: from unknown (HELO mal769a60aa920) ([78.149.103.173]) by out1.ip02ir2.opaltelecom.net with SMTP; 29 Oct 2009 16:45:24 +0000 Message-ID: <007201ca58b7$364ebdf0$0301a8c0@mal769a60aa920> From: "mal hamilton" To: References: <20091029094436.8EFF831E702@smtps01.kuleuven.be> Date: Thu, 29 Oct 2009 16:45:24 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: LF: Re: 500kHz propagation Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original 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-IP: 193.82.116.20 I can copy Russian stns during daytime as far away as UA9 at times on 160 m which is similar to 600m also the MOSCOW stations can copy me on 600m during late afternoon day light on CW. Nothing new about these conditions. This is old hat to experenced MF operators. I have also been copied on 137 khz during daylight hours in the USA ie early evening. using CW. De G3KEV ----- Original Message ----- From: "Rik Strobbe" To: Sent: Thursday, October 29, 2009 9:44 AM Subject: LF: 500kHz propagation > Over the past days I monitored the G4JNT WSPR beacon 24/24. > During daytime I have a weak but consistent copy of Andy's signal, > average -24dB with ups and down of some dB. > During nighttime the signal is -10dB on average, with the usual deep > QSB (peaking -1dB, dips down to -20dB). > But the most interesting observation is that in the afternoon the > first peaks (from -24dB up to -8dB) occur as early as 15:45 UTC. > This is almost 1 hour before sunset (16:37 UTC) and almost 1.5 hours > before the D-layer (at mid point) goes into darkness. > > 73, Rik ON7YD - OR7T > > -------------------------------------------------------------------------------- No virus found in this incoming message. Checked by AVG - www.avg.com Version: 8.5.423 / Virus Database: 270.14.38/2467 - Release Date: 10/29/09 07:38:00