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 v1CMMAZc023981 for ; Sun, 12 Feb 2017 23:22:11 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1cd2T9-00053q-Ot for rs_out_1@blacksheep.org; Sun, 12 Feb 2017 22:18:07 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1cd2Sp-00053h-J5 for rsgb_lf_group@blacksheep.org; Sun, 12 Feb 2017 22:17:47 +0000 Received: from omr-m002e.mx.aol.com ([204.29.186.2]) by relay1.thorcom.net with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.87) (envelope-from ) id 1cd2Sl-0001Dx-7w for rsgb_lf_group@blacksheep.org; Sun, 12 Feb 2017 22:17:46 +0000 Received: from mtaomg-mad01.mx.aol.com (mtaomg-mad01.mx.aol.com [172.26.221.207]) by omr-m002e.mx.aol.com (Outbound Mail Relay) with ESMTP id 960E638000A2 for ; Sun, 12 Feb 2017 17:17:40 -0500 (EST) Received: from core-acb07d.mail.aol.com (core-acb07.mail.aol.com [172.27.24.7]) by mtaomg-mad01.mx.aol.com (OMAG/Core Interface) with ESMTP id 5404F38000084 for ; Sun, 12 Feb 2017 17:17:40 -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 17:17:39 -0500 Date: Sun, 12 Feb 2017 17:17:39 -0500 From: Markus Vester To: rsgb_lf_group@blacksheep.org Message-Id: <15a346726ef-1e28-32ee@webprd-m39.mail.aol.com> In-Reply-To: <15a34401014-1e28-31bd@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=1486937860; bh=WF8zl/OcdiAVJc0wz3t/xdhbNyITVFkkb6SMMUggywg=; h=From:To:Subject:Message-Id:Date:MIME-Version:Content-Type; b=dTrnbG6B9vKV4TJfJ5nxvWzq2wx4XFT70HOml/ROh549kuMfotd62SCLDQsaDJFwX KL1ZZHHr8MSD2enp4hDIjF3JQXqM1JWPIWK8AVZMTqlKkO+AY4hxboFuVkrJgyaOAo 5vczgEyC3DHvfM3+1IgkePTQ+SyiUKOqOYBWlsvs= x-aol-sid: 3039ac1addcf58a0df0429d7 X-Scan-Signature: 5934134de2d93cab1d5fc440b67de82f Subject: Fwd: VLF: Weekend carrier on 8270.005 Hz... Content-Type: multipart/alternative; boundary="----=_Part_14898_537846784.1486937859822" 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: 10575 ------=_Part_14898_537846784.1486937859822 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_14898_537846784.1486937859822 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_gro= up <rsgb_lf_group@blacks= heep.org>
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 showed two nice peaks at 20 UT.  

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

Best 73,
Markus
-----Urspr=C3=BCngliche Mitteilung-----
Von: Paul Nicholson <<= a href=3D"mailto:vlf0403@abelian.org" target=3D"_blank" rel=3D"noopener nor= eferrer">vlf0403@abelian.org>
An: rsgb_lf_group <rsgb_lf_group@blacksheep.org>
Verschickt: Sa, 11. Feb 2017 = 22:51
Betreff: Re: VLF: Weekend carrier on 8270.005 Hz...

<= br> > Three traces are now visible in the Todmorden spectrogram.

= This is the best that I can do

http://abelia= n.org/vlf/tmp/170211b.png

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


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