X-GM-THRID: 1215974039374463637 X-Gmail-Labels: rsgb lf X-Gmail-Received: 1d4a06186354eaca3cfe6b7933dff769ad655add Delivered-To: daveyxm@gmail.com Received: by 10.78.127.8 with SMTP id z8cs54015huc; Mon, 2 Oct 2006 08:14:06 -0700 (PDT) Received: by 10.49.75.2 with SMTP id c2mr5822632nfl; Mon, 02 Oct 2006 08:14:06 -0700 (PDT) Return-Path: Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mx.gmail.com with ESMTP id y23si15326145nfb.2006.10.02.08.14.04; Mon, 02 Oct 2006 08:14:06 -0700 (PDT) Received-SPF: neutral (gmail.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 1GUPQo-0004Eo-RK for rs_out_1@blacksheep.org; Mon, 02 Oct 2006 16:10:10 +0100 Received: from [193.82.59.130] (helo=relay2.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1GUPQo-0004Ef-Ey for rsgb_lf_group@blacksheep.org; Mon, 02 Oct 2006 16:10:10 +0100 Received: from ham2.cc.fer.hr ([161.53.16.179]) by relay2.thorcom.net with esmtp (Exim 4.51) id 1GUPQk-0003ya-Ej for rsgb_lf_group@blacksheep.org; Mon, 02 Oct 2006 16:10:10 +0100 Received: from localhost (localhost [127.0.0.1]) by localhost (Postfix) with ESMTP id B15269C1AB for ; Mon, 2 Oct 2006 17:09:35 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at ham2.cc.fer.hr Received: from ham2.cc.fer.hr ([127.0.0.1]) by localhost (ham2.cc.fer.hr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id hrWEKTDA3MpM for ; Mon, 2 Oct 2006 17:09:35 +0200 (CEST) Received: from 9a0tcp.ampr.org (ham1.cc.fer.hr [161.53.16.178]) by ham2.cc.fer.hr (Postfix) with SMTP id 8E3A89C044 for ; Mon, 2 Oct 2006 17:09:35 +0200 (CEST) X-BBS-Msg-Type: P Date: Mon, 02 Oct 06 16:59:45 +0200 Message-Id: <5676_9A0TCP@hamradio> From: dl8aam@9a0tcp.ampr.org To: rsgb_lf_group@blacksheep.org In-Reply-To: your message of Mon, 2 Oct 2006 14:50:38 +0100. <001001c6e629$c0e63dc0$0300a8c0@lark> X-Spam-Score: 0.2 (/) X-Spam-Report: autolearn=disabled,FORGED_RCVD_HELO=0.05,NO_REAL_NAME=0.178 Subject: Re: LF: Strange signal 500khz X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.3 required=5.0 tests=NO_REAL_NAME 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: 4484 >Hi Tom 500kHz is 32 times the 15.625kHz line frequency for 50Hz framing TV >sets. That is why I suggested to the RSGB representative that we do not ask >for an allocation at 500 exactly !! I remember this as in the early days of >personal computers we used to generate TV line sync by dividing a 1MHz >oscillator by 64. Hi Alan, many thanks for that info! Looks if I would have a simple 500kHz QRPPP "TV set on/off"-CW TX if we will get 500 kHz...hi At least for 100-200 m that would be "good enough" for QRSS10 or so ...hi 73, Tom - DL8AAM