Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-di03.r1000.mx.aol.com (Internet Inbound) with ESMTP id 93393380000A3; Tue, 9 Apr 2013 11:25:22 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1UPaPj-0001KY-IC for rs_out_1@blacksheep.org; Tue, 09 Apr 2013 16:24:51 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1UPaPi-0001KP-PW for rsgb_lf_group@blacksheep.org; Tue, 09 Apr 2013 16:24:50 +0100 Received: from nm4-vm5.bt.bullet.mail.ir2.yahoo.com ([212.82.99.211]) by relay1.thorcom.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.77) (envelope-from ) id 1UPaPf-00047o-TH for rsgb_lf_group@blacksheep.org; Tue, 09 Apr 2013 16:24:49 +0100 Received: from [212.82.98.46] by nm4.bt.bullet.mail.ir2.yahoo.com with NNFMP; 09 Apr 2013 15:24:25 -0000 Received: from [46.228.39.177] by tm7.bt.bullet.mail.ir2.yahoo.com with NNFMP; 09 Apr 2013 15:24:25 -0000 Received: from [127.0.0.1] by smtp118.bt.mail.ir2.yahoo.com with NNFMP; 09 Apr 2013 15:24:25 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=btinternet.com; s=s1024; t=1365521065; bh=DmC4iL6u9Eacwz424Sz9JviADL6iRluTSk0ObVUvMo8=; h=X-Yahoo-Newman-Id:X-Yahoo-Newman-Property:X-YMail-OSG:X-Yahoo-SMTP:X-Rocket-Received:Message-ID:From:To:References:Subject:Date:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE:X-Antivirus:X-Antivirus-Status; b=u2bFGTKDOkX5buTIOBdn4IM5+H86n9IwDbEmDp7o+4G9XpRClHrM2GBUHhXDprlh9mOnl5Qh5H/u1c060uHPEst4hBUXmMxd9PqRYp3FDdRDJEW7BMXdfwCODBl2Jq3eb6je1mKoyH/JH6V4/Xx+uMMyhyXOSPhVHDgNuH8p8qQ= X-Yahoo-Newman-Id: 454074.44676.bm@smtp118.bt.mail.ir2.yahoo.com X-Yahoo-Newman-Property: ymail-3 X-YMail-OSG: 0QJlKcgVM1nWbV2wYq_KkJu.xtdvryvfIw2B5mQzl337lUb SpSkz4VJ_AylAUgIzUv2_.8HBNPEC5SSUOVtAfh9l4fypLSCFix9qQm32eKu VmErChEfQl1Pp_9g_y7QqzaV7.HCr5e5ECqLxixLn4INnH8oVDWLPGshkRuB BLFUiq629hIrZO8kRGgE0SvbcP0KJDwmQmDBgjViBvxHTeaYo1EjeYiuvCMf ZNqGuTgMioxnf9BT5ovX1ioy88o.Bvo98vgKTtSJBr8HF1iyBdlBFxyv9qTt rwYqVLsvLDaMRlUpYAIV3LFQDEnRn2toxSbemjNoV1lAr8e3k2piC9c9b34C esKRd5FT4b7Wd3UBi_impQ2cldBGMaSI2ecTZhGIP80Y0GC_tBKWUTMvItVn TEX8ufAZY8bqoHSiRwOmfZNkMWkkeorjA_rm49jNYTpNtN70nwYnjLx_24ts 57h6yP_5lOQdRJnkUkobxg3kv9NN7iKkMx5sDffDvLZFDUQRfjlPfzZkwmNW QkVIyhyRrtfE3veJI6QO64UMYqXvNw5y6aU4BfLxgtKwvNPkZquybFF5GS6K JqE4eLYvMOlQnn9CCaxV8osPzRdqoypI5MRM873JHip_KNWE8XXebqpdUcM0 1vfRITqQnPAdkO3Kn1d.Z_52zgA3qUuu1Sk.lGASGXsZuD5fIMPi.hbe1r21 3zS9NODQn5B29t5hpOSYS014RtcOIHBkO7gsR6K9cVRQJWmM9NeckQC8J0ju QdRdRXnotIhESz0tv73i8XWRpNIwmtl2IP2YmCVCd X-Yahoo-SMTP: fpz.2VeswBBs59bVshRPmMN51lcO2lgFRIvE4XTqE8dRwOxd70E- X-Rocket-Received: from gnat (alan.melia@86.149.140.116 with login) by smtp118.bt.mail.ir2.yahoo.com with SMTP; 09 Apr 2013 15:24:25 +0000 UTC Message-ID: <7F2E0DD028A64D8590CDED141859D0B6@gnat> From: "Alan Melia" To: References: <51640505.8010600@iup.uni-heidelberg.de> Date: Tue, 9 Apr 2013 16:24:18 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 X-Antivirus: avast! (VPS 130409-0, 09/04/2013), Outbound message X-Antivirus-Status: Clean X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Hi Stefan well done in mastering that path. I think I can see the problem. Urban myth says the equinox is the "best" time. However if you look at the Dst for that period http://lasp.colorado.edu/space_weather/dsttemerin/dsttemerin.html There was geomag strom on the 17th March, which depressed the Dst to -135nT and on the 21st a further small even depressed the recovering Dst index to about -65nT again. The path is 8 hops, so 7 times through the absorbing precipitated electrons. Currently the Dst has been above -20nT since the 2nd and fairly stable, so there are very few precipitated electrons (if any) to provide excess absorption in the darkness zone. [...] 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 [212.82.99.211 listed in list.dnswl.org] 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: 9af9bda535a078107136d2385fe00312 Subject: LF: Re: Best results so far from Germany to Tasmania Content-Type: multipart/alternative; boundary="----=_NextPart_000_0071_01CE353E.AF7EF2A0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.4 required=5.0 tests=FORGED_MUA_OUTLOOK,HTML_30_40, 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: mtain-di03.r1000.mx.aol.com ; domain : btinternet.com DKIM : fail x-aol-sid: 3039ac1da607516432e26cb9 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none This is a multi-part message in MIME format. ------=_NextPart_000_0071_01CE353E.AF7EF2A0 Content-Type: text/plain; charset="ISO-8859-2" Content-Transfer-Encoding: quoted-printable Hi Stefan well done in mastering that path. I think I can see the = problem. Urban myth says the equinox is the "best" time. However if you = look at the Dst for that period = http://lasp.colorado.edu/space_weather/dsttemerin/dsttemerin.html There was geomag strom on the 17th March, which depressed the Dst to = -135nT and on the 21st a further small even depressed the recovering Dst = index to about -65nT again. The path is 8 hops, so 7 times through the = absorbing precipitated electrons. Currently the Dst has been above -20nT since the 2nd and fairly stable, = so there are very few precipitated electrons (if any) to provide excess = absorption in the darkness zone.=20 Obviously the shorter the length of darkness then there is a reduced = probability of success, but if would seem that there could be a sweet = spot 2 to 3 weeks either side of the equinox for this path. It will also = require a period with a favourable Dst (>-20nT on Colorado Uni.estimate) Alan G3NYK ----- Original Message -----=20 From: Stefan Sch=E4fer=20 To: rsgb_lf_group@blacksheep.org=20 Cc: Vasily Savchenko ; Edgar J Twining ; David - VK2DDI=20 Sent: Tuesday, April 09, 2013 1:09 PM Subject: LF: Best results so far from Germany to Tasmania LF,=20 Last evening there was excellent LF propagation from EU to VK. Edgar = J. Twining (SWL) was watching the LF DX window for several weeks now. = The season on that path in spring (EU) 2013 was very poor and we already = thought that the season is over. However yesterday the path was open for = a exceptional long time and the S/N was very good! Transmissions were = done in DFCW-180. I've been on air for several days now and such a = result is most probably possible for 1 time in the year or maybe 2 = years. These are the results: My signal: = https://dl.dropbox.com/u/19882028/LF/DK7FC%20WR%20ver%20spectrum%20-18.PN= G DCF39: = https://dl.dropbox.com/u/19882028/LF/DCF39%20WR%20ver%20spectrum%20-14.PN= G DCF39 plot: = https://dl.dropbox.com/u/19882028/LF/DCF39%20WR%20ver%20plot%202013-04-08= %2021-30.jpg The path is 16806 km, = http://no.nonsense.ee/qthmap/?qth=3DQE37PD&from=3Djn49ik00wd It shows once again that it is always worth to transmit and to = receive/watch for exceptional conds(x) on the bands! Many thanks to Edgar for his continuous patience and interest to = receive on 137 kHz from the other side of the world! 73, Stefan/DK7FC ------=_NextPart_000_0071_01CE353E.AF7EF2A0 Content-Type: text/html; charset="ISO-8859-2" Content-Transfer-Encoding: quoted-printable
Hi Stefan well done in mastering that = path. I think=20 I can see the problem. Urban myth says the equinox is the "best" time. = However=20 if you look at the Dst for that period  http://lasp.colorado.edu/space_weather/dsttemerin/dsttemerin.html
There was geomag strom on the 17th = March, which=20 depressed the Dst to -135nT and on the 21st a further small even = depressed the=20 recovering Dst index to about -65nT again. The path is 8 hops, so 7 = times=20 through the absorbing precipitated electrons.
Currently the Dst has been above -20nT = since the=20 2nd and fairly stable, so there are very few precipitated electrons (if = any) to=20 provide excess absorption in the darkness zone.
 
Obviously the shorter the length of = darkness then=20 there is a reduced probability of success, but if would seem that = there=20 could be a sweet spot 2 to 3 weeks either side of the equinox for this = path. It=20 will also require a period with a favourable Dst (>-20nT on = Colorado=20 Uni.estimate)
 
Alan
G3NYK
 
 
----- Original Message -----
From:=20 Stefan = Sch=E4fer
Cc: Vasily Savchenko ; Edgar J = Twining ; David -=20 VK2DDI
Sent: Tuesday, April 09, 2013 = 1:09=20 PM
Subject: LF: Best results so = far from=20 Germany to Tasmania

LF,

Last evening there was excellent LF = propagation=20 from EU to VK. Edgar J. Twining (SWL) was watching the LF DX window = for=20 several weeks now. The season on that path in spring (EU) 2013 was = very poor=20 and we already thought that the season is over. However yesterday the = path was=20 open for a exceptional long time and the S/N was very good! = Transmissions were=20 done in DFCW-180. I've been on air for several days now and such a = result is=20 most probably possible for 1 time in the year or maybe 2 = years.

These=20 are the results:
My signal: https://dl.dropbox.com/u/19882028/LF/DK7FC%20WR%20ver%20spectr= um%20-18.PNG
DCF39:=20 https://dl.dropbox.com/u/19882028/LF/DCF39%20WR%20ver%20spectr= um%20-14.PNG
DCF39=20 plot: https://dl.dropbox.com/u/19882028/LF/DCF39%20WR%20v= er%20plot%202013-04-08%2021-30.jpg

The=20 path is 16806 km, http://no.nonsense.ee/qthmap/?qth=3DQE37PD&from=3Djn49ik00wd
=
It=20 shows once again that it is always worth to transmit and to = receive/watch for=20 exceptional conds(x) on the bands!

Many thanks to Edgar for his = continuous patience and interest to receive on 137 kHz from the other = side of=20 the world!

73, Stefan/DK7FC
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