Return-Path: Received: (qmail 19278 invoked from network); 15 Jan 2001 02:23:16 -0000 Received: from unknown (HELO murphys-inbound.servers.plus.net) (212.159.14.225) by 10.226.25.101 with SMTP; 15 Jan 2001 02:23:16 -0000 Received: (qmail 15806 invoked from network); 15 Jan 2001 02:26:41 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by murphys with SMTP; 15 Jan 2001 02:26:41 -0000 Received: from majordom by post.thorcom.com with local (Exim 3.16 #1) id 14HzFT-0003cD-00 for rsgb_lf_group-outgoing@blacksheep.org; Mon, 15 Jan 2001 02:19:55 +0000 X-Priority: 3 X-MSMail-Priority: Normal Received: from smtp-out2.bellatlantic.net ([199.45.40.144]) by post.thorcom.com with esmtp (Exim 3.16 #1) id 14HzFS-0003c8-00 for rsgb_lf_group@blacksheep.org; Mon, 15 Jan 2001 02:19:54 +0000 Received: from bellatlantic.net (client-151-200-111-45.bellatlantic.net [151.200.111.45]) by smtp-out2.bellatlantic.net (8.9.1/8.9.1) with ESMTP id VAA08617; Sun, 14 Jan 2001 21:19:09 -0500 (EST) X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Message-ID: <3A625D9C.2E3AC1CC@bellatlantic.net> Date: Sun, 14 Jan 2001 21:17:00 -0500 From: "Andre' Kesteloot" X-Mailer: Mozilla 4.7 [en]C-CCK-MCD NSCPCD47 (WinNT; I) X-Accept-Language: en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org Subject: Re: LF: coil screening/TA test/ DECCA TRANSISTORS References: <002101c07e63$b23a4840$83b501d5@cambridge> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: Lech Laszkiewicz wrote: > I wonder why a very highly professional designers of the Decca system went > to the expense and complexity of copper sheet screening of the interior of > their complete buildings containing the antenna tunung/loading coils. We visited the "coil" room of the Annapolis, Maryland VLF transmitter (NSS), and the ceiling, floor and all the walls were also covered with copper sheets 73 Andre' N4ICK