Return-Path: Received: (qmail 15758 invoked from network); 24 May 2004 15:21:37 -0000 Received: from unknown (HELO ptb-mxscan01.plus.net) (212.159.14.235) by ptb-mailstore04.plus.net with SMTP; 24 May 2004 15:21:37 -0000 Received: (qmail 89958 invoked from network); 24 May 2004 15:21:36 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from ptb-mxcore01.plus.net (212.159.14.215) by ptb-mxscan01.plus.net with SMTP; 24 May 2004 15:21:26 -0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim 4.30; FreeBSD) id 1BSHGY-000Lsa-F1 for dave@picks.force9.co.uk; Mon, 24 May 2004 15:21:26 +0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1BSHFX-0003GD-Ve for rs_out_1@blacksheep.org; Mon, 24 May 2004 16:20:23 +0100 Received: from [213.232.95.59] (helo=relay.salmark.net) by post.thorcom.com with esmtp (Exim 4.14) id 1BSHFX-0003G4-88 for rsgb_lf_group@blacksheep.org; Mon, 24 May 2004 16:20:23 +0100 Received: from mailout.zetnet.co.uk ([194.247.47.231]) by relay.salmark.net with esmtp (Exim 4.24) id 1BSNnx-0007Uf-Ql for rsgb_lf_group@blacksheep.org; Mon, 24 May 2004 23:20:21 +0100 Received: from irwell.zetnet.co.uk ([194.247.47.48] helo=zetnet.co.uk) by mailout.zetnet.co.uk with esmtp (Exim 3.36 #1 (Debian)) id 1BSHFM-0002GQ-00 for ; Mon, 24 May 2004 16:20:12 +0100 X-Fake-Domain: johnb5a82ea1a4 Received: from johnb5a82ea1a4 (bts-0872.dialup.zetnet.co.uk [194.247.51.104]) by zetnet.co.uk (8.12.11/8.12.11/Debian-4zet) with ESMTP id i4OFFenT015140 for ; Mon, 24 May 2004 16:15:57 +0100 X-Bad-Message-ID: no DNS (johnb5a82ea1a4) Message-ID: <003401c441a2$0a8ee1e0$6833f7c2@johnb5a82ea1a4> From: "John Rabson" To: rsgb_lf_group@blacksheep.org Date: Mon, 24 May 2004 16:06:19 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 X-Spam-Score: 0.1 (/) X-Spam-Report: autolearn=no,RCVD_IN_SORBS=0.1 Subject: LF: GBR SK - long live GBR/M Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com 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-PN-SPAMFiltered: yes X-Spam-Rating: 2 Pages 50-52 of The Journal of the Communications Network for October-December 2003 has an article on "Realising a Quarter Wavelength Vertical Monopole at Low Frequencies - by Balloon". It describes a vehicle-mounted system with a helium-filled balloon capable of supporting a 1500m vertical. Operation on the move is not expected. 73 John Rabson G3PAI