X-GM-THRID: 1218197525643853332 X-Gmail-Labels: rsgb lf X-Gmail-Received: e690932836953cd909db99e8e8327303a83e2147 Delivered-To: daveyxm@gmail.com Received: by 10.78.205.5 with SMTP id c5cs141341hug; Thu, 26 Oct 2006 08:16:33 -0700 (PDT) Received: by 10.66.243.4 with SMTP id q4mr3031893ugh; Thu, 26 Oct 2006 08:16:33 -0700 (PDT) Return-Path: Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mx.google.com with ESMTP id q1si116495uge.2006.10.26.08.16.32; Thu, 26 Oct 2006 08:16:33 -0700 (PDT) Received-SPF: neutral (google.com: 193.82.116.20 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Gd6sO-0002id-3X for rs_out_1@blacksheep.org; Thu, 26 Oct 2006 16:10:36 +0100 Received: from [193.82.59.130] (helo=relay2.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Gd6sN-0002iU-La for rsgb_lf_group@blacksheep.org; Thu, 26 Oct 2006 16:10:35 +0100 Received: from smtp3.orange.fr ([193.252.22.28] helo=smtp-msa-out03.orange.fr) by relay2.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Gd6sJ-0002o3-3U for rsgb_lf_group@blacksheep.org; Thu, 26 Oct 2006 16:10:35 +0100 Received: from john-b5a82ea1a4 (Mix-Dijon-116-4-50.w193-250.abo.wanadoo.fr [193.250.135.50]) by mwinf0304.orange.fr (SMTP Server) with ESMTP id 5C21D1C00CC2 for ; Thu, 26 Oct 2006 17:10:12 +0200 (CEST) X-ME-UUID: 20061026151012377.5C21D1C00CC2@mwinf0304.orange.fr Message-ID: <200610261709430450.47CDB353@smtp.wanadoo.fr> In-Reply-To: <006701c6f90b$74ed40e0$60c428c3@captbrian> References: <45407359.3187.15A5B7@localhost> <006701c6f90b$74ed40e0$60c428c3@captbrian> X-Mailer: Courier 3.50.00.09.1098 (http://www.rosecitysoftware.com) (K) Date: Thu, 26 Oct 2006 17:09:43 +0200 From: "John RABSON" To: rsgb_lf_group@blacksheep.org Mime-Version: 1.0 X-Spam-Score: 0.4 (/) X-Spam-Report: autolearn=disabled,AWL=-1.073,DNS_FROM_RFC_POST=1.44 Subject: Re: LF: WT Handbook on EBay Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable 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 Status: O X-Status: X-Keywords: X-UID: 3823 On 26/10/2006 at 13:24 captbrian wrote: >All very well but for a decent, reliable rotary spark-gap on '600 metres' >you young fellers can't beat the 1913 edition. > >Bryan Or an interrupter wheel (see chapter 4 of Radio Engineering, ed Roy C= Norris, Odhams, undated). 73 John