Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=5.0 tests=FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,HTML_MESSAGE,RCVD_IN_DNSWL_MED, SPF_PASS,T_DKIM_INVALID autolearn=ham autolearn_force=no version=3.4.0 X-Spam-DCC: EATSERVER: mailn 1166; Body=2 Fuz1=2 Fuz2=2 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by lipkowski.org (8.14.4/8.14.4/Debian-8+deb8u1) with ESMTP id v1CLco7p023848 for ; Sun, 12 Feb 2017 22:38:51 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1cd1nW-0004da-Hw for rs_out_1@blacksheep.org; Sun, 12 Feb 2017 21:35:06 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1cd1nW-0004dR-27 for rsgb_lf_group@blacksheep.org; Sun, 12 Feb 2017 21:35:06 +0000 Received: from omr-m008e.mx.aol.com ([204.29.186.7]) by relay1.thorcom.net with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.87) (envelope-from ) id 1cd1nS-00010n-8s for rsgb_lf_group@blacksheep.org; Sun, 12 Feb 2017 21:35:04 +0000 Received: from mtaomg-mbc02.mx.aol.com (mtaomg-mbc02.mx.aol.com [172.26.221.144]) by omr-m008e.mx.aol.com (Outbound Mail Relay) with ESMTP id 295253800053 for ; Sun, 12 Feb 2017 16:34:59 -0500 (EST) Received: from core-acb07d.mail.aol.com (core-acb07.mail.aol.com [172.27.24.7]) by mtaomg-mbc02.mx.aol.com (OMAG/Core Interface) with ESMTP id 4272638000081; Sun, 12 Feb 2017 16:34:58 -0500 (EST) Received: from 188.192.95.60 by webprd-m39.mail.aol.com (10.74.5.42) with HTTP (WebMailUI); Sun, 12 Feb 2017 16:34:58 -0500 Date: Sun, 12 Feb 2017 16:34:58 -0500 From: Markus Vester To: markusvester@aol.com, rsgb_lf_group@blacksheep.org Message-Id: <15a34401014-1e28-31bd@webprd-m39.mail.aol.com> In-Reply-To: <15a31e81cd5-1cac-23a3@webprd-m39.mail.aol.com> MIME-Version: 1.0 X-MB-Message-Source: WebUI X-MB-Message-Type: User X-Mailer: JAS STD X-Originating-IP: [188.192.95.60] x-aol-global-disposition: G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20150623; t=1486935299; bh=m5iVW8ijiS4sl5No0ctE3az0YTvESPPfi4X6xgwd+aU=; h=From:To:Subject:Message-Id:Date:MIME-Version:Content-Type; b=cxZDUB36U+iO1RtfmQ5uF8L3rTDXx5gINpVcibbjr8MsEnig+rNDGkBKCUPGmGRq0 29lLahRPGS4QYMSh+oXue1XB+LhR8Uu1PzSQKPUdWoqipa1YPYir+OnqDS7R5rzbK+ 2DWKNGqSCXZ03W1dQzIrku9TTPAeDEkKvfpB3lec= x-aol-sid: 3039ac1add9058a0d5024463 X-Scan-Signature: 2ee80849a5d572dbc974bb207a527753 Subject: Re: VLF: Weekend carrier on 8270.005 Hz... Content-Type: multipart/alternative; boundary="----=_Part_14536_815340293.1486935298066" 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 2.75 Status: RO X-Status: X-Keywords: X-UID: 10572 ------=_Part_14536_815340293.1486935298066 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Pulled the plug at 21 UT. My carrier was on air for 10:44 hours this Sunday= , with only a couple of short interruptions. For some reason the antenna cu= rrent was slightly behind yesterday's (0.34 instead of 0.37 A). Again our j= oined three-fold activity was well rewarded by good traces in Todmorden and= in Cumiana, though I guess I'm still lacking a few dB's to reach one of Ed= dies spectrograms. BTW This morning I attempted to measure the effective height of my antenna = at VLF, by comparing receive signal levels from HWU, DHO and DCF to a small= nonresonant loop. The result was 8 (+-1) meters, similar to what I had fou= nd earlier for 137 kHz. Radiation resistance at 8.27 kHz is thus ~ 77 micro= ohms. Best 73, Markus (DF6NM) -----Urspr=C3=BCngliche Mitteilung-----=20 Von: Markus Vester An: rsgb_lf_group Verschickt: So, 12. Feb 2017 11:39 Betreff: Re: VLF: Weekend carrier on 8270.005 Hz... Thanks Paul! I'm almost surprised that my weak signal came out so well, the= difference to Stefan's ERP should be larger than 10 dB. Cumiana also showe= d two nice peaks at 20 UT. =20 The carrier is back on 8270.0025 since 10:16 UT. Best 73, Markus -----Urspr=C3=BCngliche Mitteilung-----=20 Von: Paul Nicholson An: rsgb_lf_group Verschickt: Sa, 11. Feb 2017 22:51 Betreff: Re: VLF: Weekend carrier on 8270.005 Hz... > Three traces are now visible in the Todmorden spectrogram. This is the best that I can do http://abelian.org/vlf/tmp/170211b.png Something wrong with Uwe's signal, off-frequency and wandering. It would be similar strength to DK7FC if it was all in one bin. -- Paul Nicholson -- ------=_Part_14536_815340293.1486935298066 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
Pulled the plug at 21 UT. My carrier was on air for= 10:44 hours this Sunday, with only a couple of short interruptions. F= or some reason the antenna current was slightly behind yesterday's (0.= 34 instead of 0.37 A). Again our joined three-fold activity was w= ell rewarded by good traces in Todmorden and in Cumiana, though I guess&nbs= p;I'm still lacking a few dB's to reach one of Eddies spectrograms.

= BTW This morning I attempted to measure the effective height of my antenna = at VLF, by comparing receive signal levels from HWU, DHO and DCF to a = small nonresonant loop. The result was 8 (+-1) meters, similar to what= I had found earlier for 137 kHz. Radiation resistance at 8.27 kHz is = thus ~ 77 microohms.

Best 73,
Markus (DF6NM)


----= -Urspr=C3=BCngliche Mitteilung-----
Von: Markus Vester <markusvester= @aol.com>
An: rsgb_lf_group <rsgb_lf_group@blacksheep.org>
V= erschickt: So, 12. Feb 2017 11:39
Betreff: Re: VLF: Weekend carrier on 8= 270.005 Hz...

Thanks Paul! I'm alm= ost surprised that my weak signal came out so well, the diff= erence to Stefan's ERP should be larger than 10 dB. Cumiana = also showed two nice peaks at 20 UT.  

The carrier is= back on 8270.0025 since 10:16 UT.

Best 73,
Markus

--= ---Urspr=C3=BCngliche Mitteilung-----
Von: Paul Nicholson <vlf0403@abelian.org>
An: rsgb_lf_= group <rsgb_lf_group@bla= cksheep.org>
Verschickt: Sa, 11. Feb 2017 22:51
Betreff: Re: V= LF: Weekend carrier on 8270.005 Hz...


> Three traces a= re now visible in the Todmorden spectrogram.

This is the best that I= can do

http://abelian.org/vlf/tmp/170211b.= png

Something wrong with Uwe's signal, off-frequency and wanderi= ng.
It would be similar strength to DK7FC if it was all in one bin.
-= -
Paul Nicholson
--


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