Return-Path: Received: (qmail 11299 invoked from network); 30 Jun 2001 06:54:08 -0000 Received: from unknown (HELO warrior-inbound.servers.plus.net) (212.159.14.227) by excalibur.plus.net with SMTP; 30 Jun 2001 06:54:08 -0000 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit Received: (qmail 3452 invoked from network); 30 Jun 2001 06:53:00 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by warrior with SMTP; 30 Jun 2001 06:53:00 -0000 X-Priority: 3 X-MSMail-Priority: Normal Received: from majordom by post.thorcom.com with local (Exim 3.16 #2) id 15GEYs-000226-00 for rsgb_lf_group-outgoing@blacksheep.org; Sat, 30 Jun 2001 07:48:58 +0100 Received: from anchor-post-30.mail.demon.net ([194.217.242.88]) by post.thorcom.com with esmtp (Exim 3.16 #2) id 15GEYr-000221-00 for rsgb_lf_group@blacksheep.org; Sat, 30 Jun 2001 07:48:57 +0100 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from telemetry.demon.co.uk ([194.222.19.114]) by anchor-post-30.mail.demon.net with smtp (Exim 2.12 #1) id 15GEaC-000HpU-0U for rsgb_lf_group@blacksheep.org; Sat, 30 Jun 2001 07:50:21 +0100 Message-ID: Date: Sat, 30 Jun 2001 07:38:29 +0100 To: rsgb_lf_group@blacksheep.org From: "Tom Boucher" Subject: Re: LF: Lightning -- Knife Switch Source In-reply-to: <3B3C7C1B.E1D89D99@netins.net> MIME-Version: 1.0 X-Mailer: Turnpike (32) Trial Version 3.05 Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: Mabe some of the old 'bakelite' ones are pretty poor, but the ones I remember were made of white porcelain (I think) which should have good RF properties. 73, Tom G3OLB Dr. Tom Gruis writes >I have read that these old knife switches have very poor RF insulation >qualities. Perhaps this effect is frequency and/or power sensitive (for >want of better terminology) to some extent. > >Doc.