Return-Path: Received: (qmail 2828 invoked from network); 19 Dec 2002 11:44:11 -0000 Received: from marstons.services.quay.plus.net (212.159.14.223) by mailstore with SMTP; 19 Dec 2002 11:44:11 -0000 Content-Transfer-Encoding: 8bit Received: (qmail 7629 invoked by uid 10001); 19 Dec 2002 11:44:08 -0000 X-Priority: 3 X-MSMail-Priority: Normal Received: from post.thorcom.com (193.82.116.70) by marstons.services.quay.plus.net with SMTP; 19 Dec 2002 11:44:08 -0000 X-SQ: A X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from majordom by post.thorcom.com with local (Exim 4.10) id 18Oz1H-0006eZ-00 for rsgb_lf_group-outgoing@blacksheep.org; Thu, 19 Dec 2002 11:39:15 +0000 Received: from [147.197.200.9] (helo=hestia.herts.ac.uk) by post.thorcom.com with esmtp (Exim 4.10) id 18Oz1H-0006eQ-00 for rsgb_lf_group@blacksheep.org; Thu, 19 Dec 2002 11:39:15 +0000 Received: from gemini ([147.197.200.44] helo=gemini.herts.ac.uk) by hestia.herts.ac.uk with esmtp (Exim 3.22 #1) id 18Oz1B-00057r-00 for rsgb_lf_group@blacksheep.org; Thu, 19 Dec 2002 11:39:09 +0000 Received: from [147.197.232.252] (helo=rsch-15.herts.ac.uk) by gemini.herts.ac.uk with esmtp (Exim 3.33 #1) id 18Oz19-00076W-00 for rsgb_lf_group@blacksheep.org; Thu, 19 Dec 2002 11:39:07 +0000 Message-ID: <5.1.0.14.0.20021219111939.00aeb580@gemini.herts.ac.uk> X-Sender: mj9ar@gemini.herts.ac.uk X-Mailer: QUALCOMM Windows Eudora Version 5.1 Date: Thu, 19 Dec 2002 11:30:06 +0000 To: rsgb_lf_group@blacksheep.org From: "James Moritz" In-reply-to: <001d01c2a633$d31d7060$0700000a@parissn2> References: <000b01c2a4ff$bc781fc0$ea00a8c0@f3a3a2> <000601c2a50e$0b89ca60$4d6a0450@oemcomputer> <3DFDE74B.7725145F@diolog.de> <5.1.0.14.0.20021217140941.029d9210@gemini.herts.ac.uk> MIME-Version: 1.0 X-MailScanner: No Virus detected Subject: Re: LF: Re: QSO format Content-Type: text/plain; charset=us-ascii; format=flowed X-Spam-Status: No, hits=-0.4 required=5.0tests=DEAR_SOMEBODY,IN_REP_TO,REFERENCES,SPAM_PHRASE_00_01version=2.42 Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Dear Stewart, LF Group, At 02:21 18/12/2002 +0100, you wrote: >There will occasionally be huge phase discrepancies, when >one signal is nearly canceled because two effective paths >are roughly 180 degrees apart. But I believe that there >would be good correlation most of the time. A simple experimental test that could be easily done would be to compare the signals from HBG on 75kHz and DCF77 on 77.5kHz - both these signals would fit into the bandwidth of an SSB filter, and could be simultaneously monitored using Spectrum Lab. Cheers, Jim Moritz 73 de M0BMU