X-GM-THRID: 1237811796637913305 X-Gmail-Labels: rsgb lf Delivered-To: daveyxm@gmail.com Received: by 10.78.172.1 with SMTP id u1cs577113hue; Tue, 29 May 2007 13:30:31 -0700 (PDT) Received: by 10.67.115.7 with SMTP id s7mr29746ugm.1180470631590; Tue, 29 May 2007 13:30:31 -0700 (PDT) Return-Path: Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mx.google.com with ESMTP id o24si93057ugd.2007.05.29.13.30.28; Tue, 29 May 2007 13:30:31 -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 1Ht8I2-0003kA-T4 for rs_out_1@blacksheep.org; Tue, 29 May 2007 21:27:34 +0100 Received: from [83.244.159.144] (helo=relay3.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Ht8I2-0003k1-DI for rsgb_lf_group@blacksheep.org; Tue, 29 May 2007 21:27:34 +0100 Received: from smtp808.mail.ird.yahoo.com ([217.146.188.68]) by relay3.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1Ht8I1-0008Ve-7O for rsgb_lf_group@blacksheep.org; Tue, 29 May 2007 21:27:34 +0100 Received: (qmail 15890 invoked from network); 29 May 2007 20:27:27 -0000 Received: from unknown (HELO Dave) (dsergeant@btinternet.com@86.139.21.103 with login) by smtp808.mail.ird.yahoo.com with SMTP; 29 May 2007 20:27:27 -0000 X-YMail-OSG: BI5cTDsVM1m4A2cfSG62qN2Gx_6dKjJ9Y5HVFfqVA7MpVl9txESsdCJwy.3Ax4y1saqGsV552u.R3ViulHTcflAf1tKztH6.UkvwNLlTiJN0eBCV From: "Dave Sergeant" To: rsgb_lf_group@blacksheep.org Date: Tue, 29 May 2007 21:27:30 +0100 MIME-Version: 1.0 Message-ID: <465C9AC2.25205.3363029@dave.davesergeant.com> In-reply-to: <341873.21191.qm@web86408.mail.ird.yahoo.com> References: <341873.21191.qm@web86408.mail.ird.yahoo.com> X-mailer: Pegasus Mail for Windows (4.41) Content-description: Mail message body X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: Field Strength Meter Content-type: text/plain; charset=US-ASCII Content-transfer-encoding: 7BIT 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: 1457 On 29 May 2007 at 21:05, CHRISTOPHER OSBORN wrote: > If I wanted to be pedantic then presumably we should ensure that we > measure no more than 25 mW ERP to allow for the worst case uncertainty > (tongue in cheek!) I think I am safe with my 3mW erp.... at least it reaches Biggleswade. Incidentally after we worked yesterday Dave G3WCB sent me a wav recording of the QSO and an Argo screen shot. Our signals sounded very similar with him and it was nice to listen to my keying at a distance. As Dave commented to me the Argo shot shows that my VXO tx is stable apart from a very slow, hardly visible, drift. Your TX has a noticeable downward drift of around 5Hz at the start of each over. I think you use a VFO? I can send you these (converted to a .mp3 and much smaller) if you are interested Chris. 73 Dave G3YMC http://www.davesergeant.com