Return-Path: X-Spam-DCC: paranoid 1169; Body=2 Fuz1=2 Fuz2=2 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,HTML_MESSAGE autolearn=unavailable version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id t06ADN6F010918 for ; Tue, 6 Jan 2015 11:13:23 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Y8R1R-0006QN-Rh for rs_out_1@blacksheep.org; Tue, 06 Jan 2015 10:05:57 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Y8R1R-0006QD-HZ for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2015 10:05:57 +0000 Received: from omr-m02.mx.aol.com ([64.12.143.76]) by relay1.thorcom.net with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.84) (envelope-from ) id 1Y8R1P-0002ej-2P for rsgb_lf_group@blacksheep.org; Tue, 06 Jan 2015 10:05:56 +0000 Received: from mtaout-mcd01.mx.aol.com (mtaout-mcd01.mx.aol.com [172.26.223.205]) by omr-m02.mx.aol.com (Outbound Mail Relay) with ESMTP id 6107B70000097 for ; Tue, 6 Jan 2015 05:05:53 -0500 (EST) Received: from White (ipb21bee4a.dynamic.kabel-deutschland.de [178.27.238.74]) by mtaout-mcd01.mx.aol.com (MUA/Third Party Client Interface) with ESMTPA id 6EDFE38000089 for ; Tue, 6 Jan 2015 05:05:47 -0500 (EST) Message-ID: <76C79F82BC6247E282D17D73B8444AF9@White> From: "Markus Vester" To: Date: Tue, 6 Jan 2015 11:05:44 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 12.0.1606 X-MimeOLE: Produced By Microsoft MimeOLE V12.0.1606 x-aol-global-disposition: G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20140625; t=1420538753; bh=EmYe8xJ7W1o7yUCat1DVvUUPIQ0GPJfK+Phq9hvjEx8=; h=From:To:Subject:Message-ID:Date:MIME-Version:Content-Type; b=WmTHUW0juQ5lVQroRC1/gtyS9dSfZtshElVKEjsyTwxJ8/mgyuvt2OQfo3PKIxbIC TrJkYyFJnLGxbq5+s7sLoZB4yAHnOMyxm8T1PBMyC3X1nTvIbg4FonKyvYNpPXifR+ HwjblrehBheCCPo/dkpflQiuT0jpxfhW1SwBIg0g= x-aol-sid: 3039ac1adfcd54abb37b0217 X-AOL-IP: 178.27.238.74 X-Scan-Signature: 4998b3eda037fec4e885bebc9a2db934 Subject: VLF: 8270 carrier Content-Type: multipart/alternative; boundary="----=_NextPart_000_0004_01D029A0.B79D2620" 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-Scanned-By: MIMEDefang 2.56 on 10.1.3.10 Status: O X-Status: X-Keywords: X-UID: 1821 Dies ist eine mehrteilige Nachricht im MIME-Format. ------=_NextPart_000_0004_01D029A0.B79D2620 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable The carrier has been switched off at 10:00 UT. The phase from the = Rubidium-derived syntheszier was stable all the time, and the antenna = current remained constant within a couple of percent. Radiated power is = estimated around 10 =B5W, although the lower temperature of the = surrounding vegetation may have helped a bit on the effective height. Good signals appeared on three VLF grabbers http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber.html = (DK7FC) http://www.ok2bvg.cz/vlfgrabber/ (OK2BVG) http://abelian.org/vlf/fbins.shtml#p=3D1420527600&b=3D120&s=3Dsp Paul = Nicholson (Todmorden) The signal in Heidelberg was good at night and went down in daylight, = while OK2BVG experienced the opposite behavior. This has been seen = before and is expected from the superposition of groundwave and = ionospheric components at different ranges. As far as I can see, = fieldstrength at Todmorden was relatively constant throughout the night, = but dropped sharply around sunrise. I am sorry that my LF grabber is pretty much unusable during these VLF = transmissions, due to noise from partial discharges around the loading = coil. All the best, Markus (DF6NM) From: Markus Vester=20 Sent: Tuesday, January 06, 2015 1:27 AM To: Paul=20 Cc: Dexter McIntyre W4DEX ; Uwe Jannsen=20 Subject: 8270 carrier To get a bit better idea on possible winter nighttime opportunities, = I've started an unmodulated carrier on 8270 since 0:17 UT. Antenna = current is 0.31 A . Will leave it on for a couple of hours if nothing = goes wrong.=20 All the best, Markus ------=_NextPart_000_0004_01D029A0.B79D2620 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
The carrier has been switched off = at 10:00 UT.=20 The phase from the Rubidium-derived syntheszier was stable all the time, = and the=20 antenna current remained constant within a couple of = percent. Radiated=20 power is estimated around 10 =B5W, although the lower temperature = of the=20 surrounding vegetation may have helped a bit on the effective=20 height.
 
Good signals = appeared on three=20 VLF grabbers
http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber.html=  (DK7FC)
http://www.ok2bvg.cz/vlfgrabber= / (OK2BVG)
http://abelian.org/vlf/fbins.shtml#p=3D1420527600&b=3D120&am= p;s=3Dsp Paul=20 Nicholson (Todmorden)
 
The signal in = Heidelberg=20 was good at night and went down in daylight, while OK2BVG experienced = the=20 opposite behavior. This has been seen before and is expected from = the=20 superposition of groundwave and ionospheric components at different = ranges. As=20 far as I can see, fieldstrength at Todmorden was relatively = constant=20 throughout the night, but dropped sharply around sunrise.
 
I am sorry that my = LF grabber is=20 pretty much unusable during these VLF transmissions, due to noise = from=20 partial discharges around the loading coil.
 
All the = best,
Markus = (DF6NM)

Sent: Tuesday, January 06, 2015 1:27 AM
To: Paul
Cc: Dexter McIntyre W4DEX ; Uwe Jannsen
Subject: 8270 carrier

To get a bit better idea on possible = winter=20 nighttime opportunities, I've started an = unmodulated carrier on=20 8270 since 0:17 UT.  Antenna current is 0.31 A . Will leave it = on for=20 a couple of hours if nothing goes wrong. 
 
All the best,
Markus
 
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