Return-Path: Received: (qmail 5140 invoked from network); 4 Oct 2001 18:54:37 -0000 Received: from unknown (HELO murphys-inbound.services.quay.plus.net) (212.159.14.225) by excalibur-qfe1-smtp-plusnet.harl.plus.net with SMTP; 4 Oct 2001 18:54:37 -0000 Received: (qmail 6195 invoked from network); 4 Oct 2001 18:54:18 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by murphys with SMTP; 4 Oct 2001 18:54:18 -0000 Received: from majordom by post.thorcom.com with local (Exim 3.16 #2) id 15pDaF-0006VF-00 for rsgb_lf_group-outgoing@blacksheep.org; Thu, 04 Oct 2001 19:50:59 +0100 Received: from tungsten.btinternet.com ([194.73.73.81]) by post.thorcom.com with esmtp (Exim 3.16 #2) id 15pDaE-0006VA-00 for rsgb_lf_group@blacksheep.org; Thu, 04 Oct 2001 19:50:58 +0100 Received: from [217.35.39.109] (helo=dellboy) by tungsten.btinternet.com with smtp (Exim 3.22 #6) id 15pDZX-0000qN-00 for rsgb_lf_group@blacksheep.org; Thu, 04 Oct 2001 19:50:15 +0100 Message-ID: <001401c14d05$60621360$1700a8c0@home> From: "Dave Pick" To: rsgb_lf_group@blacksheep.org References: <200110041316_MC3-E238-AB9B@compuserve.com> Subject: LF: Re: Which effect is this? Date: Thu, 4 Oct 2001 19:50:02 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4807.1700 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: Geri. Something to add to the discussion. The car radio antenna is an "e-field" device and the same effect is not true of a meagnetic antenna such as a ferrite rod. Dave G3YXM. -------------------------- I went to Holland recently, and listened to Deutschlandradio on 153 kHz. I have already noticed years ago that mediumwave and longwave signals are being attenuated or even completely faded out under bridges. Now, listening to that radio transmission not too far away from our 136 kHz band I asked myself some questions: