X-GM-THRID: 1235011097765982642 X-Gmail-Labels: rsgb lf Delivered-To: daveyxm@gmail.com Received: by 10.35.22.5 with SMTP id z5cs357535pyi; Sat, 28 Apr 2007 19:14:57 -0700 (PDT) Received: by 10.67.116.2 with SMTP id t2mr4225269ugm.1177812896646; Sat, 28 Apr 2007 19:14:56 -0700 (PDT) Return-Path: Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mx.google.com with ESMTP id s7si1826940uge.2007.04.28.19.14.54; Sat, 28 Apr 2007 19:14:56 -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 1Hhys7-0005w8-Dl for rs_out_1@blacksheep.org; Sun, 29 Apr 2007 03:10:43 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Hhys6-0005vz-I3 for rsgb_lf_group@blacksheep.org; Sun, 29 Apr 2007 03:10:42 +0100 Received: from bay0-omc2-s38.bay0.hotmail.com ([65.54.246.174]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Hhys5-0001CG-Hf for rsgb_lf_group@blacksheep.org; Sun, 29 Apr 2007 03:10:42 +0100 Received: from hotmail.com ([207.46.11.247]) by bay0-omc2-s38.bay0.hotmail.com with Microsoft SMTPSVC(6.0.3790.2668); Sat, 28 Apr 2007 19:10:34 -0700 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Sat, 28 Apr 2007 19:10:35 -0700 Message-ID: Received: from 207.46.11.254 by by124fd.bay124.hotmail.msn.com with HTTP; Sun, 29 Apr 2007 02:10:31 GMT X-Originating-IP: [203.208.238.38] X-Originating-Email: [hellozerohellozero@hotmail.com] X-Sender: hellozerohellozero@hotmail.com In-Reply-To: <008a01c789e1$e5945920$0300a8c0@lark> From: "Laurence KL1X" To: rsgb_lf_group@blacksheep.org Bcc: Date: Sat, 28 Apr 2007 18:10:31 -0800 Mime-Version: 1.0 X-OriginalArrivalTime: 29 Apr 2007 02:10:35.0236 (UTC) FILETIME=[9298A240:01C78A03] X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,MSGID_FROM_MTA_HEADER=0 Subject: RE: LF: Re: Front panel lettering ? Content-Type: text/plain; format=flowed X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.8 required=5.0 tests=MSGID_FROM_MTA_HEADER 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: 2385 and may I recommend John W1TAG's narrative on loops versus probes for calibration, and the how to do's measurements - http://www.w1tag.com/LF_FSM.htm Laurence 9V1/KL1 X Tstorms 37C >From: "Alan Melia" >Reply-To: rsgb_lf_group@blacksheep.org >To: >Subject: LF: Re: Front panel lettering ? >Date: Sat, 28 Apr 2007 23:07:59 +0100 > >Hi again Chris yes that how to do it. It is somewhat easier to use a loop >which is easier to calculate the output from a given field strength....Jim >is the expert at that !! He has done many measurements on 136khz. Dick >Rollema has built units for both methods. I am not sure whether they are >written up. One may be on the LWCA site. >Alan >snip............. > > Shoot me down in flames but can't one make an RF probe to measure the >volts per metre at a set distance from the aerial and then work back to >deduce the radiated power ?? > > > > 73 Chris G3XIZ > > > _________________________________________________________________ The average US Credit Score is 675. The cost to see yours: $0 by Experian. http://www.freecreditreport.com/pm/default.aspx?sc=660600&bcd=EMAILFOOTERAVERAGE