Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-db06.r1000.mx.aol.com (Internet Inbound) with ESMTP id 56B5A38000096; Wed, 10 Apr 2013 20:13:20 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1UQ57s-0002VB-8u for rs_out_1@blacksheep.org; Thu, 11 Apr 2013 01:12:28 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1UQ57r-0002V2-G8 for rsgb_lf_group@blacksheep.org; Thu, 11 Apr 2013 01:12:27 +0100 Received: from nm5-vm8.bt.bullet.mail.ir2.yahoo.com ([212.82.99.236]) by relay1.thorcom.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.77) (envelope-from ) id 1UQ57p-00015N-87 for rsgb_lf_group@blacksheep.org; Thu, 11 Apr 2013 01:12:26 +0100 Received: from [212.82.98.44] by nm5.bt.bullet.mail.ir2.yahoo.com with NNFMP; 11 Apr 2013 00:12:04 -0000 Received: from [46.228.39.165] by tm5.bt.bullet.mail.ir2.yahoo.com with NNFMP; 11 Apr 2013 00:12:04 -0000 Received: from [127.0.0.1] by smtp106.bt.mail.ir2.yahoo.com with NNFMP; 11 Apr 2013 00:12:04 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=btinternet.com; s=s1024; t=1365639124; bh=1qtUSOIv6gSJZqjA6AX7kuNhN2dF8kEoIbh7XBDa0hY=; 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=6cDZPmuXTpbbmma/LuDgas8CKHzX513BInvArWkNFBbvzPiw3QH6fUXYO0pjpn8kVq+u0u6D78rNjJWi5Ff/Oca7jh0QKtem8iRgAqiGHthYQPdkIu+weIrXplpKH/1vSKvpXsgsIqd8nBwvcVPjh0prIAfc6MOLqYw+dYSioPo= X-Yahoo-Newman-Id: 70095.87019.bm@smtp106.bt.mail.ir2.yahoo.com X-Yahoo-Newman-Property: ymail-3 X-YMail-OSG: RFACNUIVM1lbF6pXSrzugGwXF_FZwQEq2AZVl8wx0y6btmc XpOB4.Px0KKKoKPtUuK0_gHZiKV4qfW6iJSu7uuJDgMROH1n4LGJxTWC8HVY yx1541bhPIJYbPScaUwibxeRBwwvvCcxvFS4wmyQXZPc1cmhJaetFvmkZICJ YEiJkyJrBujLEqgxqr3AIf9_xMfRPMRyifLBCeuwh4er3d6wyt79RdBEi5tE eX4BOEtJDI2aZLmR3381f0kBqUls78rdb6RCqWbVjngLoTuBblQ2LQKuK5er v9vfJbhjFiA007futvo_0iJeq7py9U9wf0hskliGxuRjKHPOkoyH0cZpzyg9 sr0exLNFgA3V4A3..Ys4WfoSsNK1pCZ7Pt7_0mBrQyayqSZLtJ81pjojgPKe lsd4_.FN0ykatmUmZr.0t_etmax0rQdbh4XIIjR7R541UiYnczuyoBo6u1kp NU99Lr6wquhXgug-- X-Yahoo-SMTP: fpz.2VeswBBs59bVshRPmMN51lcO2lgFRIvE4XTqE8dRwOxd70E- X-Rocket-Received: from gnat (alan.melia@86.149.140.116 with login) by smtp106.bt.mail.ir2.yahoo.com with SMTP; 11 Apr 2013 00:12:03 +0000 UTC Message-ID: From: "Alan Melia" To: References: <51640505.8010600@iup.uni-heidelberg.de> <44E37B4DD1EE4EE1A2E67CCC1D5C79CE@White> <4132502B9D6F4A5CB85AC4055AA5851C@gnat> <37496A16FE3E425A8EE69AC8AB0A07B7@gnat>,<00a801ce3630$980cd130$6d01a8c0@DELL4> Date: Thu, 11 Apr 2013 01:12:02 +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! 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Content preview: Hi Laurence, thanks for the encouragement :-)) I have never really understood the Polar conditions.....but it looks like there is a lot in the book I just ordered so I may soon be boring you with new theories :-)) [...] 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 [212.82.99.236 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: a32b10ac5c14008078455df469dc45d3 Subject: Re: LF: Best results so far from Germany to Tasmania Content-Type: multipart/alternative; boundary="----=_NextPart_000_000A_01CE3651.931634C0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.1 required=5.0 tests=FORGED_MUA_OUTLOOK,HTML_20_30, 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-db06.r1000.mx.aol.com ; domain : btinternet.com DKIM : pass x-aol-sid: 3039ac1d405a5166001f73e0 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : temperror This is a multi-part message in MIME format. ------=_NextPart_000_000A_01CE3651.931634C0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi Laurence, thanks for the encouragement :-)) I have never really = understood the Polar conditions.....but it looks like there is a lot in = the book I just ordered so I may soon be boring you with new theories = :-)) I wonder from your exposure to low frequencies at both Poles whether you = have any feeling for the effect of path direction wrt the geomag field?. = I have been trying to come to terms with the lack of contacts between ZL = &VK and the N. Pacific rim. You and Scot seemed to hear and be heard in = JA ok. I know it is a "bit further" to ZL but it is a water path. We = seem to work UK to Russia over land but there is nothing much to aim at = south of the Equator. I had an interesting detailed exchange with Murray = ZL1BPU and it may be lack of "big stations"at the moment. But even in = the days of Quartz Hill I dont remember much in the way of successes. =20 The PY to east-coast paths are the only ones N<>S that seem to work = regularly at the moment....maybe when we get more data from that and = also coincident E<>W data we might learn something. Best Wishes Alan G3NYK =20 ----- Original Message -----=20 From: Laurence KL1 X=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Wednesday, April 10, 2013 11:38 PM Subject: RE: LF: Best results so far from Germany to Tasmania And I will validate the near instanteous drop in conditions if we hit = any sort of disturbance here in Alaska - and the "average" time it takes = to recover means I can typically take a break of couple of weeks = looking for DX and take up knitting again. Fair conditions in Eu for = longer haul are typically "poor" here. =20 Got to say this has been the worst winter for long haul over the Pole = Ive seen in 10 years of looking. =20 Unlike other locations HF over the pole conditions are a pretty strong = indicator of whats what at LF and MF in Winter - if I typically dont see = any signal over the North Pole from Eu on 3.5/7 or even 14 and above = forget it at LF.=20 =20 More Southerly paths are less affected and to date if one of the = stronger JA's fires up on 136 we will see it here. Now, if I wander = closer to the Geo Poles things are actually get very different - peering = out of the Auroral oval (say from 83N 74W, or 80S 100W) with just one = crossing into more temperate geomag latitudes means the delight of AuE = at VHF and some odd MF openings - I recall in the middle of a particularly strong Mag storm listening to = Capital radio London on 1548kHz from Antarctica with little to no warble = and S9 strength - very odd - but that was the same year as we were = watching BBC TV 405 lines direct from down there - so it was an odd year = oF Solar max - =20 I miss your reports Alan ! =20 Laurence KL 1 X =20 -------------------------------------------------------------------------= ----- From: jrusgrove@comcast.net To: rsgb_lf_group@blacksheep.org Date: Wed, 10 Apr 2013 17:15:56 -0400 Subject: Re: LF: Best results so far from Germany to Tasmania >There is one further factor and that is signal leakage. If the geomag = conditions are very quiet for extended periods like during the >Solar = min. signals seem to decrease, I have a feeling that some of the longer = lived ionisayion in the E-region may depend on >the Ring Current charge. = After a long quiet period the night-time E-layer does not "reflect" = quite so well. Conditions then improve >after a small event, Kp=3D4, = which would under normal conditions be insignificant, and produces only = small changes to the Dst.=20 Alan Interesting explanation - always appreciate your thoughts on the = subject! Have certainly witnessed the 'quiet condition signal drop off' = for years on the T/A path. Jay W1VD WD2XNS WE2XGR/2 ------=_NextPart_000_000A_01CE3651.931634C0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hi Laurence, thanks for the = encouragement=20 :-))  I have never really understood the Polar conditions.....but = it looks=20 like there is a lot in the book I just ordered so I may soon be boring = you with=20 new theories :-))
 
I wonder from your exposure to low = frequencies at=20 both Poles whether you have any feeling for the effect of path direction = wrt the=20 geomag field?. I have been trying to come to terms with the lack of=20 contacts between ZL &VK and the N. Pacific rim. You and Scot = seemed to=20 hear and be heard in JA ok. I know it is a "bit further" to ZL but = it is a=20 water path. We seem to work UK to Russia over land but there is = nothing=20 much to aim at south of the Equator. I had an interesting detailed = exchange with=20 Murray ZL1BPU and it may be lack of "big stations"at the moment. But = even in the=20 days of Quartz Hill I dont remember much in the way of = successes.
 
The PY to east-coast paths are the only = ones=20 N<>S that seem to work regularly at the moment....maybe when we = get more=20 data from that and also coincident E<>W data we might learn=20 something.
 
Best Wishes
Alan G3NYK
 
----- Original Message -----
From:=20 Laurence KL1 X =
Sent: Wednesday, April 10, 2013 = 11:38=20 PM
Subject: RE: LF: Best results = so far from=20 Germany to Tasmania

And I will validate the near instanteous = drop in=20 conditions if we hit any sort of disturbance here in Alaska = - and=20 the "average" time it takes to recover means I can typically take a = break=20 of  couple of weeks looking for DX and take up knitting = again. Fair=20 conditions in Eu for longer haul are typically "poor" = here.
 
Got=20 to say this has been the worst winter for long haul over the Pole Ive = seen in=20 10 years of looking.
 
Unlike other locations HF over the = pole=20 conditions are a pretty strong indicator of whats what at LF and MF in = Winter=20 - if I typically dont see any signal over the North Pole from = Eu on=20 3.5/7 or even 14 and above forget it at = LF. 
 
More=20 Southerly paths are less affected and to date if one of the = stronger JA's=20 fires up on 136 we will see it here. Now, if I wander closer to = the Geo=20 Poles things are actually get very different - peering out of the = Auroral=20 oval (say from 83N 74W, or 80S 100W) with just one crossing into = more=20 temperate geomag latitudes means the delight of AuE at VHF and = some odd=20 MF openings -
I recall in the middle of a particularly strong Mag = storm=20 listening to Capital radio London on 1548kHz from Antarctica with = little=20 to no warble and S9 strength - very odd - but that was the same year = as we=20 were watching BBC TV 405 lines direct from down there - so it = was an odd=20 year oF Solar max -
 
I miss your reports Alan=20 !
 
Laurence KL 1 X

 
From: jrusgrove@comcast.net
To: = rsgb_lf_group@blacksheep.org
Date: Wed,=20 10 Apr 2013 17:15:56 -0400
Subject: Re: LF: Best results so far = from=20 Germany to Tasmania

>There is one further factor and = that is=20 signal leakage. If the geomag conditions are very quiet for extended = periods=20 like during the >Solar min. signals seem to decrease,  I have = a=20 feeling that some of the longer lived ionisayion in the E-region may = depend on=20 >the Ring Current charge. After a long quiet period the night-time = E-layer=20 does not "reflect" quite so well. Conditions then improve = >after a=20 small event, Kp=3D4, which would under normal conditions be = insignificant, and=20 produces only small changes to the Dst.=20
 
Alan
 
Interesting explanation - always = appreciate your=20 thoughts on the subject! Have certainly witnessed the 'quiet = condition=20 signal drop off' for years on the T/A path.
 
Jay W1VD  WD2XNS =20 = WE2XGR/2 
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