Return-Path: Received: (qmail 8305 invoked from network); 20 Jun 2001 08:53:43 -0000 Received: from unknown (HELO murphys-inbound.servers.plus.net) (212.159.14.225) by excalibur-qfe1-smtp-plusnet.harl.plus.net with SMTP; 20 Jun 2001 08:53:43 -0000 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit Received: (qmail 22547 invoked from network); 20 Jun 2001 08:53:29 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by murphys with SMTP; 20 Jun 2001 08:53:29 -0000 X-Priority: 3 X-MSMail-Priority: Normal Received: from majordom by post.thorcom.com with local (Exim 3.16 #2) id 15Cdec-0004Y5-00 for rsgb_lf_group-outgoing@blacksheep.org; Wed, 20 Jun 2001 09:48:02 +0100 Received: from finch-post-10.mail.demon.net ([194.217.242.38]) by post.thorcom.com with esmtp (Exim 3.16 #2) id 15CdeY-0004Y0-00 for rsgb_lf_group@blacksheep.org; Wed, 20 Jun 2001 09:47:58 +0100 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from telemetry.demon.co.uk ([194.222.19.114]) by finch-post-10.mail.demon.net with smtp (Exim 2.12 #1) id 15Cddp-000Icq-0A for rsgb_lf_group@blacksheep.org; Wed, 20 Jun 2001 08:47:13 +0000 Message-ID: Date: Wed, 20 Jun 2001 08:40:10 +0100 To: rsgb_lf_group@blacksheep.org From: "Tom Boucher" Subject: Re: LF: Re: Static effects In-reply-to: <001b01c0f958$1fba1160$059e01d5@dave> MIME-Version: 1.0 X-Mailer: Turnpike Version 3.03a Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: Dave G3YMC wrote: > >If you feed your antenna, as many do, via a matching transformer (3C85 core) >then the >antenna and the line to the tx/rx will be automatically grounded. Another >advantage >of this method of feeding antennas. Well I do Dave but I have rather an odd T/R relay arrangement based on single pole on/off relays which I had available. This means that when Tx supply is switched off, the antenna is connected to neither transmitter nor receiver. I didn't fit a bleed resistor as Andy suggests because I figured it would have to dissipate a fair bit of power unless it was a high value, however even a high value will be adequate to discharge any build up of static, I guess. 73, Tom