Return-Path: Received: from rly-dd10.mx.aol.com (rly-dd10.mail.aol.com [172.19.141.157]) by air-dd09.mail.aol.com (v123.4) with ESMTP id MAILINDD094-ba24a2b7d4029a; Sun, 07 Jun 2009 04:41:52 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-dd10.mx.aol.com (v123.4) with ESMTP id MAILRELAYINDD104-ba24a2b7d4029a; Sun, 07 Jun 2009 04:41:38 -0400 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1MDDuu-0007Eq-Jw for rs_out_1@blacksheep.org; Sun, 07 Jun 2009 09:39:48 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1MDDuu-0007Eh-5T for rsgb_lf_group@blacksheep.org; Sun, 07 Jun 2009 09:39:48 +0100 Received: from c2bthomr13.btconnect.com ([213.123.20.131]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1MDDur-0002bq-Rd for rsgb_lf_group@blacksheep.org; Sun, 07 Jun 2009 09:39:47 +0100 Received: from [192.168.1.64] (host86-130-168-40.range86-130.btcentralplus.com [86.130.168.40]) by c2bthomr13.btconnect.com with ESMTP id DFW10598; Sun, 7 Jun 2009 09:39:32 +0100 (BST) Message-ID: <4A2B7CC7.4020002@btconnect.com> Date: Sun, 07 Jun 2009 09:39:35 +0100 From: Richard Newstead User-Agent: Thunderbird 2.0.0.21 (Windows/20090302) MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org X-Junkmail-Status: score=10/50, host=c2bthomr13.btconnect.com X-Junkmail-SD-Raw: score=unknown, refid=str=0001.0A0B020A.4A2B7CC4.01DD,ss=1,fgs=0, ip=192.168.1.64, so=2007-10-30 19:00:17, dmn=5.7.1/2009-05-14 X-Junkmail-IWF: false X-Karma: unknown: X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: LF: 500kHz Diurnal Noise Variation Content-Type: text/plain; charset=ISO-8859-1; 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) I wonder if anyone has attempted to plot the diurnal noise levels on 500kHz? I wonder if, for instance, very early on a Sunday morning is particularly quiet? 73 Richard G3CWI