Return-Path: Received: from mtain-da08.r1000.mx.aol.com (mtain-da08.r1000.mx.aol.com [172.29.64.80]) by air-dc10.mail.aol.com (v129.4) with ESMTP id MAILINDC102-862e4d1a52b41cd; Tue, 28 Dec 2010 16:12:20 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-da08.r1000.mx.aol.com (Internet Inbound) with ESMTP id C1306380000E7; Tue, 28 Dec 2010 16:12:18 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1PXgp7-0004wy-Pd for rs_out_1@blacksheep.org; Tue, 28 Dec 2010 21:11:13 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1PXgp7-0004wp-A3 for rsgb_lf_group@blacksheep.org; Tue, 28 Dec 2010 21:11:13 +0000 Received: from mail-iw0-f171.google.com ([209.85.214.171]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1PXgp5-0002nE-3A for rsgb_lf_group@blacksheep.org; Tue, 28 Dec 2010 21:11:13 +0000 Received: by iwn2 with SMTP id 2so9701556iwn.16 for ; Tue, 28 Dec 2010 13:11:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:date:message-id :subject:from:to:content-type; bh=gsjiAE575/Ggvg9tIq5YVW6JDsrEOfntKmKtA37IYY8=; b=Mid4wbfExqlFvMPwvLqEqjrT7HpulApA6JjIMkWP2Ptji94dcmtKGkhQoh/yuY88OY S1oCjbVapHDs/C4fwfTgnBYhy7PyPhwVthqguU564k9wEyMmXVkb9RQLyGpPLKI/xBaW 5YC69d5SS1omy9TtS5UWwWasolvdriGcyX4Lg= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=Hr/dS4NSEA2p0KXTodJs49gH07azKdVOUPAe0tBc3CPXG22PaY8cJ/kcR9JvspjnM2 zhynyxlQtGrBtQHgxLkwCCBiCYh/Fv4V+By5EtgmmvUg4eu6zA1OQxk1N9i6Q0s6g8aI 2RD6P9WgLtdvHz11lfpnC0msVm9zIBs8m1dUA= MIME-Version: 1.0 Received: by 10.42.220.67 with SMTP id hx3mr13337422icb.350.1293570669780; Tue, 28 Dec 2010 13:11:09 -0800 (PST) Received: by 10.42.239.5 with HTTP; Tue, 28 Dec 2010 13:11:09 -0800 (PST) Date: Tue, 28 Dec 2010 21:11:09 +0000 Message-ID: From: Roger Lapthorn To: rsgb_lf_group@blacksheep.org DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: LF: VLF noise measurement Content-Type: multipart/alternative; boundary=20cf30549ef7439eaa04987ee4bc X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_20_30,HTML_MESSAGE 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-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-m264.1 ; domain : gmail.com DKIM : fail x-aol-sid: 3039ac1d40504d1a52b24ad6 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none X-Mailer: Unknown (No Version) --20cf30549ef7439eaa04987ee4bc Content-Type: text/plain; charset=ISO-8859-1 Following Stefan's suggestion I'm currently recording the VLF noise 0-24kHz at my QTH using the earth electrodes and small FET tuned preamp. Results are being uploaded to my grabber at https://dl.dropbox.com/u/15047843/xbm.jpg . The 24 hour period will end around mid-afternoon Wednesday. Comments on the results would be appreciated - e.g. how this compares with other station results, what would reduce the noise floor etc. 73s Roger G3XBM -- g3xbm-qrp.blogspot.com/ www.g3xbm.co.uk www.youtube.com/user/g3xbm G3XBM GQRP 1678 ISWL G11088 --20cf30549ef7439eaa04987ee4bc Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Following Stefan's suggestion I'm currently recording the VLF nois= e 0-24kHz at my QTH using the earth electrodes and small FET tuned preamp.= Results are being uploaded to my grabber at https://dl.dropbox.com/u/15047843/xbm.jpg .= The 24 hour period will end around mid-afternoon Wednesday.

Comments on the results would be appreciated - e.g. how this compares= with other station results, what would reduce the noise floor etc.
73s
Roger G3XBM

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g3xbm-qrp.blogspot.com/
www.g3xbm.co.ukwww.yout= ube.com/user/g3xbm
G3XBM=A0=A0 GQRP 1678=A0=A0=A0 ISWL G11088
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