Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by klubnl.pl (8.14.4/8.14.4/Debian-8+deb8u2) with ESMTP id w88LxZa2004006 for ; Sat, 8 Sep 2018 23:59:36 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1fylAj-00026d-FU for rs_out_1@blacksheep.org; Sat, 08 Sep 2018 22:53:41 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1fyl9q-00026Q-Sp for rsgb_lf_group@blacksheep.org; Sat, 08 Sep 2018 22:52:46 +0100 Received: from omr-a014e.mx.aol.com ([204.29.186.62]) by relay1.thorcom.net with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.91_59-0488984) (envelope-from ) id 1fyl9j-0004i2-7h for rsgb_lf_group@blacksheep.org; Sat, 08 Sep 2018 22:52:43 +0100 Received: from mtaomg-aad01.mx.aol.com (mtaomg-aad01.mx.aol.com [172.26.127.227]) by omr-a014e.mx.aol.com (Outbound Mail Relay) with ESMTP id 9D3F23800084 for ; Sat, 8 Sep 2018 17:52:35 -0400 (EDT) Received: from core-acx06g.mail.aol.com (core-acx06.mail.aol.com [172.27.0.16]) by mtaomg-aad01.mx.aol.com (OMAG/Core Interface) with ESMTP id 5450C38000081 for ; Sat, 8 Sep 2018 17:52:35 -0400 (EDT) Received: from 188.194.221.221 by webjasstg-vaa41.srv.aolmail.net (10.96.25.44) with HTTP (WebMailUI); Sat, 08 Sep 2018 17:52:35 -0400 Date: Sat, 8 Sep 2018 17:52:35 -0400 From: Markus Vester To: rsgb_lf_group@blacksheep.org Message-Id: <165bb2c1d17-1ebb-76dc@webjasstg-vaa41.srv.aolmail.net> In-Reply-To: <5B94344B.3030503@posteo.de> MIME-Version: 1.0 X-MB-Message-Source: WebUI X-MB-Message-Type: User X-Mailer: JAS STD X-Originating-IP: [188.194.221.221] x-aol-global-disposition: G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20150623; t=1536443555; bh=loYRV/QiK6Hr3XxaEWthCH6vSQ2zbzrhenAsE7hbBY8=; h=From:To:Subject:Message-Id:Date:MIME-Version:Content-Type; b=PstxPQwCaC20Qq/a7q1+Xi/9tUQiKvWJHj0hApOcsakXC8YRF9U1qgK6PFqloWA+A JvClRmreU6Nv3UOborS/XrkVZmgS/lILMoZti2ETxhWJyomqsur1uJDxUtCetBVIQt aP7H0V4P2gw818qJXZFdGHxsia5PoxX45FeA2c8Y= x-aol-sid: 3039ac1a7fe35b9444a31e96 X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see @@CONTACT_ADDRESS@@ for details. Content preview: Hi Stefan, indeed your signal has been very consistent around 5 uV/m and -8 to -10 dB in the afternoon. At 230 km range, this would indicate a radiated power around 40 mW (EMRP), or 0.4% antenna efficiency. Around nightfall, heavy QSB set in, with occaional minima where the signal fell below the decode threshold but was still ghastly visible in the waterfall with heavy RDF colour aberrations. I suspect that the diplole emits more high angle radiation than a vertical, possibly leading to deeper fading at intermediate ranges. [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [204.29.186.62 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (markusvester[at]aol.com) -0.0 SPF_PASS SPF: sender matches SPF record -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain 0.0 HTML_MESSAGE BODY: HTML included in message 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: 6be9408bcc63ba5aab6f1e66e2d5b7ce Subject: Re: LF: Re: 137 kHz WSPR-2 on a 900m long ground loop, this weekend Content-Type: multipart/alternative; boundary="----=_Part_40347_403199442.1536443555095" 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=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 ------=_Part_40347_403199442.1536443555095 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi Stefan, indeed your signal has been very consistent around 5 uV/m and -8 to -10 dB = in the afternoon. At 230 km range, this would indicate a radiated power aro= und 40 mW (EMRP), or 0.4% antenna efficiency. Around nightfall, heavy QSB s= et in, with occaional minima where the signal fell below the decode thresho= ld but was still ghastly visible in the waterfall with heavy RDF colour abe= rrations. I suspect that the diplole emits more high angle radiation than a= vertical, possibly leading to deeper fading at intermediate ranges.=20 Best 73, Markus (DF6NM) -----Urspr=C3=BCngliche Mitteilung-----=20 Von: DK7FC An: rsgb_lf_group Verschickt: Sa, 8. Sept 2018 22:45 Betreff: Re: LF: Re: 137 kHz WSPR-2 on a 900m long ground loop, this weeken= d Thanks to the many stations beeing RX-active on LF WSPR tonite. It is very strange, the SNR reported by the stations below 500 km=20 distance was very good in daytime but now at night there are not more=20 stations receiving me, except 2 reports by 2E0ILY. Also the software just reports JN39 instead of JN39WI. Maybe some reports are not uploaded or shown on the database, because of=20 conflicting locators for the same callsign? I can hardly imagine that nothing comes through at night. Very odd. Does someone have an explanation what can cause these good results=20 during the day and such bad results at night? 73, Stefan PS: My QRG is 137.425 kHz and starts each xx:x0 (each 10 minutes). Maybe=20 someone can see somethning on the waterfall display? ... ------=_Part_40347_403199442.1536443555095 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
Hi Stefan,

indeed your signal has be= en very consistent around 5 uV/m and -8 to -10 dB in the afternoon. At= 230 km range, this would indicate a radiated power around 40 mW (EMRP= ), or 0.4% antenna efficiency. Around nightfall, heavy QSB set in, wit= h occaional minima where the signal fell below the decode threshold but was= still ghastly visible in the waterfall with heavy RDF colou= r aberrations. I suspect that the diplole emits more high angle radiat= ion than a vertical, possibly leading to deeper fading at in= termediate ranges. 

Best 73,
Markus (DF6NM)

-----Urspr=C3=BCngliche Mitteilung-----
Von: DK7FC <selberdenken@posteo.de>
An: r= sgb_lf_group <rsgb_lf_group@blacksheep.org>
Verschick= t: Sa, 8. Sept 2018 22:45
Betreff: Re: LF: Re: 137 kHz WSPR= -2 on a 900m long ground loop, this weekend

Thanks to the many stations beeing RX-active on LF WSPR tonite.

It is very strange, the SNR reported by the s= tations below 500 km
distance was very good in daytime but= now at night there are not more
stations receiving me, ex= cept 2 reports by 2E0ILY.
Also the software just reports JN= 39 instead of JN39WI.
Maybe some reports are not uploaded o= r shown on the database, because of
conflicting locators f= or the same callsign?
I can hardly imagine that nothing com= es through at night. Very odd.
Does someone have an explana= tion what can cause these good results
during the day and = such bad results at night?

73, Stefan

PS: My QRG is 137.425 kHz and starts each xx:x= 0 (each 10 minutes). Maybe
someone can see somethning on t= he waterfall display?
...
------=_Part_40347_403199442.1536443555095--