Return-Path: Received: from mtain-mh05.r1000.mx.aol.com (mtain-mh05.r1000.mx.aol.com [172.29.96.217]) by air-db01.mail.aol.com (v129.4) with ESMTP id MAILINDB014-86954c07ce561c8; Thu, 03 Jun 2010 11:46:30 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-mh05.r1000.mx.aol.com (Internet Inbound) with ESMTP id A6A2838000245; Thu, 3 Jun 2010 11:46:28 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OKCbP-0004FB-U4 for rs_out_1@blacksheep.org; Thu, 03 Jun 2010 16:45:03 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OKCbP-0004F2-JY for rsgb_lf_group@blacksheep.org; Thu, 03 Jun 2010 16:45:03 +0100 Received: from smtp-vbr13.xs4all.nl ([194.109.24.33]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OKCbM-0007Dv-Vx for rsgb_lf_group@blacksheep.org; Thu, 03 Jun 2010 16:45:03 +0100 Received: from pc1 (ndb.demon.nl [82.161.81.65]) by smtp-vbr13.xs4all.nl (8.13.8/8.13.8) with ESMTP id o53FisZI070627 for ; Thu, 3 Jun 2010 17:45:00 +0200 (CEST) (envelope-from roelof@ndb.demon.nl) To: rsgb_lf_group@blacksheep.org References: <001401cb02f4$4aa9d130$0401a8c0@xphd97xgq27nyf> <00b701cb030b$c6268d50$0201a8c0@Clemens04> <01CA4D0605FB409ABD7D2F0A98DC46BD@df2py> <16BC8B3CA8672445BC2A29B4C14A26D4374C6BF460@exlnmb01.eur.nsroot.net> <36D7C2EAF95A4E7293AC6ABF9307BE19@df2py> <004e01cb032e$3f257730$0201a8c0@Clemens04> Date: Thu, 03 Jun 2010 17:44:41 -0000 MIME-Version: 1.0 From: "Roelof Bakker" Message-ID: In-Reply-To: <004e01cb032e$3f257730$0201a8c0@Clemens04> User-Agent: Opera Mail/10.53 (Win32) X-Virus-Scanned: by XS4ALL Virus Scanner X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Content-Type: text/plain; charset=iso-8859-15; format=flowed; delsp=yes Subject: Re: LF: VLF-Noise 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-global-disposition: G x-aol-sid: 3039ac1d60d94c07ce5432b0 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) Hello Clemens, Your observation is correct. This has also been mentioned by Paul Nicholson, who has a first class ELF-VLF monitoring station. However this frequency will ask for much larger loading coil. 73, Roelof, pa0rdt