Return-Path: Received: (qmail 71435 invoked from network); 24 Mar 2005 19:19:37 -0000 Received: from unknown (HELO ptb-spamcore01.plus.net) (192.168.71.1) by ptb-mailstore03.plus.net with SMTP; 24 Mar 2005 19:19:37 -0000 Received: from mailnull by ptb-spamcore01.plus.net with spamcore-l-b (Exim 4.32; FreeBSD) id 1DEXwb-000DR0-Mk for dave@picks.force9.co.uk; Thu, 24 Mar 2005 19:24:37 +0000 Received: from [192.168.67.2] (helo=ptb-mxcore02.plus.net) by ptb-spamcore01.plus.net with esmtp (Exim 4.32; FreeBSD) id 1DEXwa-000DQd-WF for dave@picks.force9.co.uk; Thu, 24 Mar 2005 19:24:37 +0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore02.plus.net with esmtp (Exim) id 1DEXrk-0007xr-6z for dave@picks.force9.co.uk; Thu, 24 Mar 2005 19:19:36 +0000 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1DEXrJ-0003AL-GW for rs_out_1@blacksheep.org; Thu, 24 Mar 2005 19:19:09 +0000 Received: from [193.82.116.30] (helo=relay.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1DEXrJ-0003AC-5X for rsgb_lf_group@blacksheep.org; Thu, 24 Mar 2005 19:19:09 +0000 Received: from smtp1.versatel.nl ([62.58.50.88]) by relay.thorcom.net with esmtp (Exim 4.43) id 1DEXrH-0001BC-Qv for rsgb_lf_group@blacksheep.org; Thu, 24 Mar 2005 19:19:09 +0000 Received: (qmail 9175 invoked by uid 10); 24 Mar 2005 19:19:01 -0000 Received: (vexira-qq 08978-40A05488 invoked from network) 24 Mar 2005 20:18:56 +0100 Received: from unknown (HELO ibm) ([62.59.191.30]) (envelope-sender ) by smtp1.versatel.nl (qmail-ldap-1.03) with SMTP for < >; 24 Mar 2005 19:18:56 -0000 Message-ID: <000501c530a5$48c90d80$2102000a@ibm> From: "Dick" To: rsgb_lf_group@blacksheep.org Date: Thu, 24 Mar 2005 20:10:38 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2615.200 X-AntiVirus: checked by Vexira MailArmor (version: 2.0.1.16; VAE: 6.30.0.2; VDF: 6.30.0.11; host: postbode01.zonnet.nl) X-SPF-Result: relay.thorcom.net: 62.58.50.88 is neither permitted nor denied by domain of zonnet.nl X-Spam-Score: 0.5 (/) X-Spam-Report: autolearn=no,FROM_ENDS_IN_NUMS=0.516 Subject: LF: How to measure antenna current? 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=0.9 required=5.0 tests=FROM_ENDS_IN_NUMS 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-Spam-Filtered: by PlusNet SpamCORE (v3.00) Hello all, Today changed the groundsystem, resulting in an 4-5dB stronger signal. I am using an trafo , diode and meter as an indicator to tune the coil for maximum antenna current. In this list I often see people mentioning which antennacurrent they are running. I wonder how to get these values. Measuring voltage across an resistor? What about number of turns in the coil etc? 73 Dick, PA4VHF (getting stronger on 136................)