Return-Path: Received: from mtain-mj01.r1000.mx.aol.com (mtain-mj01.r1000.mail.aol.com [172.21.164.85]) by air-de06.mail.aol.com (v129.4) with ESMTP id MAILINDE062-5eb74d3c6ed12fc; Sun, 23 Jan 2011 13:09:21 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mj01.r1000.mx.aol.com (Internet Inbound) with ESMTP id 6ED843800008E; Sun, 23 Jan 2011 13:09:20 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Ph4Mi-0004Bd-WC for rs_out_1@blacksheep.org; Sun, 23 Jan 2011 18:08:40 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Ph4Mi-0004BM-7Z for rsgb_lf_group@blacksheep.org; Sun, 23 Jan 2011 18:08:40 +0000 Received: from qmta03.westchester.pa.mail.comcast.net ([76.96.62.32]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Ph4Mh-0005Vd-0r for rsgb_lf_group@blacksheep.org; Sun, 23 Jan 2011 18:08:40 +0000 Received: from omta16.westchester.pa.mail.comcast.net ([76.96.62.88]) by qmta03.westchester.pa.mail.comcast.net with comcast id z5zw1f0031uE5Es5368YRz; Sun, 23 Jan 2011 18:08:32 +0000 Received: from JAYDELL ([76.23.233.102]) by omta16.westchester.pa.mail.comcast.net with comcast id z68X1f00i2DDHkk3c68YBn; Sun, 23 Jan 2011 18:08:32 +0000 Message-ID: <001101cbbb28$8af29230$8d01a8c0@JAYDELL> From: To: References: <4D3C6284.9030801@iup.uni-heidelberg.de> Date: Sun, 23 Jan 2011 13:08:30 -0500 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Spam-Score: 0.6 (/) X-Spam-Report: autolearn=disabled,NO_REAL_NAME=0.55 Subject: LF: Re: 17.8 kHz ? Content-Type: text/plain; format=flowed; charset="ISO-8859-15"; reply-type=response X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.3 required=5.0 tests=NO_REAL_NAME 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: 3039400c89a24d3c6ed027b2 X-AOL-IP: 195.171.43.25 Content-Transfer-Encoding: quoted-printable Stephan Tacamo. Jay W1VD WD2XNS WE2XGR/2 ----- Original Message -----=20 From: "Stefan Sch=E4fer" To: Sent: Sunday, January 23, 2011 12:16 PM Subject: LF: 17.8 kHz ? > VLF, > > There is a strange trace at 17.8 kHz that appears rather weak on my= grabber but very strong on the=20 > TF3HZ VLF grabber. What is it? Any ideas? > > 73, Stefan/DK7FC >=20