X-GM-THRID: 1202173441387390069 X-Gmail-Labels: rsgb lf X-Gmail-Received: fa6b9f29429f13d90eb8b673d1bbab2291517c42 Delivered-To: daveyxm@gmail.com Received: by 10.54.72.15 with SMTP id u15cs22712wra; Wed, 3 May 2006 02:46:40 -0700 (PDT) Received: by 10.49.23.9 with SMTP id a9mr254922nfj; Wed, 03 May 2006 02:46:40 -0700 (PDT) Return-Path: Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mx.gmail.com with ESMTP id p72si3807622nfc.2006.05.03.02.46.38; Wed, 03 May 2006 02:46:40 -0700 (PDT) Received-SPF: neutral (gmail.com: 193.82.116.20 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1FbDul-00028p-Sg for rs_out_1@blacksheep.org; Wed, 03 May 2006 10:44:59 +0100 Received: from [193.82.59.130] (helo=relay2.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1FbDul-00028g-AE for rsgb_lf_group@blacksheep.org; Wed, 03 May 2006 10:44:59 +0100 Received: from smtp810.mail.ukl.yahoo.com ([217.12.12.200]) by relay2.thorcom.net with smtp (Exim 4.51) id 1FbFKq-0003co-N6 for rsgb_lf_group@blacksheep.org; Wed, 03 May 2006 12:16:05 +0100 Received: (qmail 9348 invoked from network); 3 May 2006 09:44:47 -0000 Received: from unknown (HELO LAPTOP) (peter.martinez@btinternet.com@81.159.158.21 with login) by smtp810.mail.ukl.yahoo.com with SMTP; 3 May 2006 09:44:47 -0000 Message-ID: <001a01c66e96$36d6e2c0$0300a8c0@LAPTOP> From: "Peter Martinez" To: References: <4455EC86.2050807@wp.pl> <44567AF2.7000506@ukonline.co.uk> <011501c66d63$e1d39e90$0300a8c0@LAPTOP> <44567E97.2050205@wp.pl> <1146520170.4456826a52d9b@webmail2.kuleuven.be> <4457E7CE.9020707@wp.pl> <000d01c66e7d$745913c0$0300a8c0@LAPTOP> <44585C6A.9010400@wp.pl> Date: Wed, 3 May 2006 09:44:46 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2869 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2869 X-Spam-Score: -0.3 (/) X-Spam-Report: autolearn=disabled,AWL=-0.335 Subject: Re: LF: EMF sensitivity? Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=response Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none 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 Status: O X-Status: X-Keywords: X-UID: 6025 >From G3PLX: Marek: That's interesting about the tape. I cannot picture exactly what you have there, but it's well-known that some materials will degrade (e.g. lose colour) quickly when exposed to UV, so you may be able to see that coloured tapes in some parts of the coil enclosure have become faded, and in other parts they have not, and you should be able to relate this to whether there is a line-of-sight from the places where the tape is located to the places where the corona is likely. Especially if there are some places where there is one layer or tape partly over another, it should be possible to deduce from the pattern of fading that the outer layer has been exposed to UV and the inner layer has not. John's suggestion to look or hear (or smell) the corona, is also a good idea, but then we need also to ask the experts if it's true that there is always UV radiation associated with corona. I don't know enough about it myself. 73 Peter