Return-Path: <owner-rsgb_lf_group@blacksheep.org> Received: from rly-df06.mx.aol.com (rly-df06.mail.aol.com [172.19.156.19]) by air-df02.mail.aol.com (v121_r5.5) with ESMTP id MAILINDF022-55a49a9110d1de; Sat, 28 Feb 2009 05:25:42 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-df06.mx.aol.com (v121_r4.4) with ESMTP id MAILRELAYINDF065-55a49a9110d1de; Sat, 28 Feb 2009 05:25:27 -0500 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1LdMLK-0008Vg-C2 for rs_out_1@blacksheep.org; Sat, 28 Feb 2009 10:22:50 +0000 Received: from [83.244.159.144] (helo=relay3.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1LdMLJ-0008VX-MH for rsgb_lf_group@blacksheep.org; Sat, 28 Feb 2009 10:22:50 +0000 Received: from mout5.freenet.de ([195.4.92.95]) by relay3.thorcom.net with esmtp (Exim 4.63) (envelope-from <dl4yhf@freenet.de>) id 1LdMLF-0004Cb-SK for rsgb_lf_group@blacksheep.org; Sat, 28 Feb 2009 10:22:48 +0000 Received: from [195.4.92.16] (helo=6.mx.freenet.de) by mout5.freenet.de with esmtpa (ID dl4yhf@freenet.de) (port 25) (Exim 4.69 #76) id 1LdMLE-000339-6q for rsgb_lf_group@blacksheep.org; Sat, 28 Feb 2009 11:22:44 +0100 Received: from g225192098.adsl.alicedsl.de ([92.225.192.98]:1078 helo=[192.168.0.101]) by 6.mx.freenet.de with esmtpa (ID dl4yhf@freenet.de) (port 25) (Exim 4.69 #79) id 1LdMLD-0002ve-B9 for rsgb_lf_group@blacksheep.org; Sat, 28 Feb 2009 11:22:44 +0100 Message-ID: <49A91070.9040902@freenet.de> Date: Sat, 28 Feb 2009 11:22:40 +0100 From: =?ISO-8859-15?Q?Wolfgang_B=FCscher?= <dl4yhf@freenet.de> User-Agent: Thunderbird 2.0.0.19 (Windows/20081209) MIME-Version: 1.0 To: RSGB LF Group <rsgb_lf_group@blacksheep.org> X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: LF: "Silence of the Lamps", etc Content-Type: text/plain; charset=ISO-8859-15; format=flowed 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 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) Dear QRM-haunted fellows, Searching around for something "completely different", I found this site which may be interesting for some members of the group: http://brneurosci.org/fluorescent-lamp-interference.html It describes how to reduce interference caused by some energy-saving lamps. On the same website, there is also an article about a varctor tuned loop antenna, where the author found the "Q" of the resonant antenna was higher when tuned with varactor diodes, than with an air variable capacitor (?!) : http://brneurosci.org/loopantenna.html 73, Wolf .