Return-Path: X-Spam-DCC: paranoid 1181; Body=2 Fuz1=2 Fuz2=2 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, HTML_50_60,HTML_MESSAGE autolearn=no version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id u0MFZ8EE005968 for ; Fri, 22 Jan 2016 16:35:08 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1aMddE-00087c-M6 for rs_out_1@blacksheep.org; Fri, 22 Jan 2016 15:28:12 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1aMddD-00087T-Om for rsgb_lf_group@blacksheep.org; Fri, 22 Jan 2016 15:28:11 +0000 Received: from vms173025pub.verizon.net ([206.46.173.25]) by relay1.thorcom.net with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.86) (envelope-from ) id 1aMdcD-0004Yf-18 for rsgb_lf_group@blacksheep.org; Fri, 22 Jan 2016 15:28:10 +0000 Received: from MikePC ([205.146.48.14]) by vms173025.mailsrvcs.net (Oracle Communications Messaging Server 7.0.5.32.0 64bit (built Jul 16 2014)) with ESMTPA id <0O1D00J821JTXY60@vms173025.mailsrvcs.net> for rsgb_lf_group@blacksheep.org; Fri, 22 Jan 2016 09:26:18 -0600 (CST) X-CMAE-Score: 0 X-CMAE-Analysis: v=2.1 cv=WpDWSorv c=1 sm=1 tr=0 a=X4Ndim3p52jhrMkjFyEXYA==:117 a=o1OHuDzbAAAA:8 a=oR5dmqMzAAAA:8 a=7aQ_Q-yQQ-AA:10 a=r77TgQKjGQsHNAKrUKIA:9 a=F3M5lZpKAAAA:8 a=XtSP-Xvaz0K3zCrGFrMA:9 a=pILNOxqGKmIA:10 a=HmCT5iXHAAAA:8 a=DXXqpU-qN0sWYbFn5QQA:9 a=ME2wQ0MSqGKyi2t5:21 a=_W_S_7VecoQA:10 Message-id: <4F9581849DDC451A8481ED82778DDDBE@MikePC> From: "Michael Sapp" To: References: <569E4748.18680.1008D94@mike.dennison.ntlworld.com> <569F8A29.90200@charter.net> <9129A20A2E49400A83D066DE9E2B601A@gnat> <56A0CF17.5070506@posteo.de> <56A22B69.6030102@posteo.de> <3A4B07A1CF0E4B5C883A127FCC5486A4@gnat> In-reply-to: <3A4B07A1CF0E4B5C883A127FCC5486A4@gnat> Date: Fri, 22 Jan 2016 10:26:17 -0500 MIME-version: 1.0 X-Priority: 3 X-MSMail-priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6002.18197 X-MIMEOLE: Produced By Microsoft MimeOLE V6.0.6002.18463 X-Scan-Signature: 5f3d51ad98dd7d967f54e1b86b99caac Subject: Re: LF: Re: DST and propagation Content-type: multipart/alternative; boundary="----=_NextPart_000_0043_01D154FF.53E427B0" 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 2.56 on 10.1.3.10 Status: O X-Status: X-Keywords: X-UID: 6454 This is a multi-part message in MIME format. ------=_NextPart_000_0043_01D154FF.53E427B0 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Alan, Stefan & All: The LF T/A dx event did coincide with or just after = a C-class X-ray flux event of moderate duration (30 minutes or so). It = was a lower level C-class event in the C2 or C3 range. Perhaps the = combination of the X-ray flux event and geomagnetic state are involved = in the propagation enhancement. =20 Also interesting that the resulting T/A dx event was farther to the = south in the U.S. Perhaps some seasonal cyclic factor is involved as = well. I was surprised that neither WG2XJM, WG2XKA, W1VD, or W1TAG = reported any T/A in that time period, although VD and TAG may not have = been on the air at the time. To the west I have not had any captures = from WH2XCR in the last week or so, although other stations farther = south of my location have captured XCR recently and XJM has done so with = his large RX antenna arrays. If there is a seasonal-latitude = probability factor in addition to the X-ray flux and geomagnetic states, = then I would expect better chances of T/A events in the coming months = of Febuary and March of this year for my inland location. 73, Mike wa3tts ----- Original Message -----=20 From: Alan Melia=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Friday, January 22, 2016 9:02 AM Subject: Re: LF: Re: DST and propagation Thanks Stefan. MMmmm interesting......the DST was stable at around = -50nT and did not dip further on the CME on the 21st it was slightly = above the value early morning on the 20th. The precipitation is at high = latitudes and does, it is thought, take a little while to diffuse to = lower latitudes. Again the Dst is the "pressure" behind the electron = injection it is not related to the concentration of hot (excess = absorbing) electrons in the ionosphere. Thanks for your test, it adds to the suggestion that Dst below -20nT = can affect your signal propagation. Best Wishes Alan G3NYK ----- Original Message -----=20 From: DK7FC=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Friday, January 22, 2016 1:15 PM Subject: Re: LF: Re: DST and propagation Am 21.01.2016 14:58, schrieb Alan Melia:=20 [...] I would love to see the effect over the 21/22nd darkness = period if you do not have anything different planned :-)) Thanks and Best Wishes Alan G3NYK ...not a single decode for me last night. AA1A became QRV at 0:12 = UTC or earlier. No detections on the TA path at all this night.... 73, Stefan ------=_NextPart_000_0043_01D154FF.53E427B0 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable
Alan, Stefan & All: The LF T/A dx = event did=20 coincide with or just after a C-class X-ray flux event of moderate = duration=20 (30 minutes or so).  It was a lower level C-class event in the C2 = or C3=20 range.  Perhaps the combination of the X-ray flux event and = geomagnetic=20 state are involved in the propagation enhancement. 
 
Also interesting that the resulting T/A = dx event=20 was farther to the south in the U.S. Perhaps some seasonal cyclic factor = is=20 involved as well.   I was surprised that neither WG2XJM, WG2XKA, = W1VD, or=20 W1TAG reported any T/A in that time period, although VD and TAG may not = have=20 been on the air at the time.  To the west I have not had any = captures=20 from WH2XCR in the last week or so, although other stations farther = south of my=20 location have captured XCR recently and XJM has done so with his large = RX=20 antenna arrays.  If there is a seasonal-latitude probability factor = in=20 addition to the X-ray flux and geomagnetic states, then I would expect = better=20 chances of T/A events in the coming months  of Febuary and March of = this=20 year for my inland location.
 
73, Mike wa3tts
----- Original Message -----
From:=20 Alan Melia
Sent: Friday, January 22, 2016 = 9:02=20 AM
Subject: Re: LF: Re: DST and=20 propagation

Thanks Stefan. MMmmm = interesting......the DST was=20 stable at around -50nT and did not dip further on the CME on the = 21st it=20 was slightly above the value early morning on the 20th. The = precipitation is=20 at high latitudes and does, it is thought, take a little while to = diffuse to=20 lower latitudes. Again the Dst is the "pressure" behind the electron = injection=20 it is not related to the concentration of hot (excess=20 absorbing) electrons in the ionosphere.
 
Thanks for your test, it adds to the = suggestion=20 that Dst below -20nT can affect your = signal propagation.
 
Best Wishes
Alan
G3NYK
 
----- Original Message -----
From:=20 DK7FC
To: rsgb_lf_group@blacksheep.org= =20
Sent: Friday, January 22, = 2016 1:15=20 PM
Subject: Re: LF: Re: DST and=20 propagation

Am 21.01.2016 14:58, schrieb Alan Melia:=20
[...] I would love to see the = effect over the=20 21/22nd darkness period if you do not have anything different = planned=20 :-))
 
Thanks and Best = Wishes
Alan = G3NYK

...not=20 a single decode for me last night. AA1A became QRV at 0:12 UTC or = earlier.=20 No detections on the TA path at all this night....

73,=20 Stefan
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