Return-Path: Received: (qmail 25646 invoked from network); 12 Jan 2001 10:30:23 -0000 Received: from unknown (HELO murphys-inbound.servers.plus.net) (212.159.14.225) by excalibur.plus.net with SMTP; 12 Jan 2001 10:30:23 -0000 Received: (qmail 23442 invoked from network); 12 Jan 2001 10:24:53 -0000 Content-Transfer-Encoding: 8bit Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by murphys with SMTP; 12 Jan 2001 10:24:53 -0000 X-Priority: 3 X-MSMail-Priority: Normal Received: from majordom by post.thorcom.com with local (Exim 3.16 #1) id 14H1IS-0004rT-00 for rsgb_lf_group-outgoing@blacksheep.org; Fri, 12 Jan 2001 10:19:00 +0000 Received: from fm215.facility.pipex.com ([194.131.104.225]) by post.thorcom.com with esmtp (Exim 3.16 #1) id 14H1IO-0004rO-00 for rsgb_lf_group@blacksheep.org; Fri, 12 Jan 2001 10:18:57 +0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from 233.pncl.co.uk (246.235.35.212.in-addr.arpa.ip-pool.cix.co.uk [212.35.235.246]) by fm215.facility.pipex.com (8.9.3/8.9.3) with ESMTP id KAA05052 for ; Fri, 12 Jan 2001 10:14:29 GMT Message-ID: <5.0.2.1.2.20010112101411.009fd710@mail.pncl.co.uk> X-Sender: blanch@mail.pncl.co.uk X-Mailer: QUALCOMM Windows Eudora Version 5.0.2 Date: Fri, 12 Jan 2001 10:19:11 +0000 To: rsgb_lf_group@blacksheep.org From: "Walter Blanchard" Subject: LF: Re Rugby etc. MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: In the early 1970's I was engaged in experiments using GBR and various US Navy LF transmitters around the world as a radionavigational system. They were phase-stable and they worked quite well but Transit (the now-defunct satellite Doppler system) was much better so we abandoned it. Walter G3JKV.