Return-Path: X-Spam-DCC: paranoid 1233; 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=2.0 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, FORGED_MUA_OUTLOOK,HTML_50_60,HTML_MESSAGE,HTML_TITLE_EMPTY,SPF_PASS 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 u9TNPb7P031236 for ; Sun, 30 Oct 2016 01:25:37 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1c0cxI-0008Vy-CV for rs_out_1@blacksheep.org; Sun, 30 Oct 2016 00:22:28 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1c0cxH-0008Vp-Vr for rsgb_lf_group@blacksheep.org; Sun, 30 Oct 2016 00:22:27 +0100 Received: from rgout02.bt.lon5.cpcloud.co.uk ([65.20.0.179]) by relay1.thorcom.net with esmtp (Exim 4.87) (envelope-from ) id 1c0cxE-0004Mg-BZ for rsgb_lf_group@blacksheep.org; Sun, 30 Oct 2016 00:22:26 +0100 X-OWM-Source-IP: 86.178.51.135 (GB) X-OWM-Env-Sender: alan.melia@btinternet.com X-Junkmail-Premium-Raw: score=8/50,refid=2.7.2:2016.10.25.164217:17:8.707,ip=,rules=NO_URI_FOUND, NO_CTA_URI_FOUND, NO_MESSAGE_ID, TO_MALFORMED, NO_URI_HTTPS Received: from gnat (86.178.51.135) by rgout02.bt.lon5.cpcloud.co.uk (9.0.019.07.01-1) (authenticated as alan.melia@btinternet.com) id 57F4D2C705944C1A for rsgb_lf_group@blacksheep.org; Sun, 30 Oct 2016 00:22:23 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=btinternet.com; s=btcpcloud; t=1477783344; bh=wIFGnMoJDLUBvwnt1SXN1O2aI/yGe6v/nLGMNE4t66U=; h=Message-ID:From:To:References:Subject:Date:MIME-Version:X-Mailer; b=hIJn/U0MTebAyHaVzAr8y7SE9T2DzaIAX4s5836bk5OAf6eqMcEKI0Cf1aHJTYNgTwlPs5eYCdq24jKWW+VzLCknso9DprGREGWf0N/jwdtWcZjZ9hojM3975Yb/ZH3zF2vQEk2nhnQME2iUiLgZ1BYgwtF84Gw+vCKDchEMjo8= Message-ID: <53054C17488F46ED82885D8EF1F5FF1B@gnat> From: "Alan Melia" To: References: , <58131AF4.25317.73DA82@roelof.ndb.demon.nl>, <58147FB6.23088.BED6DB@roelof.ndb.demon.nl> Date: Sun, 30 Oct 2016 00:22:18 +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-Scan-Signature: b183672d2d39521dd5e5027c4d070614 Subject: Re: LF: 477.7 kHz CW Content-Type: multipart/alternative; boundary="----=_NextPart_000_0055_01D23243.AC6B0C60" 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 10.1.3.11 Content-Length: 12507 Status: O X-Status: X-Keywords: X-UID: 9288 This is a multi-part message in MIME format. ------=_NextPart_000_0055_01D23243.AC6B0C60 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi Roelof, this current event is a very different kind of event to the = usual CME or Solar hole high-speed flow. There does not seem to be any = "dense" stream of plasma, but the Solar wind velocity has incresed from = 300km/sec to 600km/sec......but it seems there are not a lot of = ions/electrons around. The Kyoto Dst plunged (based on earth bound = magnetometers) but the Colorado estimate based on Ace Solar wind data = hardly changed (thought the data may not be reliable at present) Also = the plunge to -75nT shown on Kyoto was followed by a steep rise = (recovery in less than 24 hours which is quite unusual). I am thinking = this might mean that there was little hot-electron precipitation from = this event (normally 6 hours of Kp=3D6 peaking 7 would depress the Dst = for 10 days or more.) You have probably noticed the upward movement of = the Dst before the steep fall in normal CME events.....there is no sign = of this. I am led to believe that there has been little precipitation of = hot electrons into the ionoshere, and it would seem that reports confirm = that. I did forget to look at the direction of the IMF. I wonder if the CME style event where there is an upward movement in the = Dst (possibly caused by positive ion trapping in the ring current) = actually couses electons to be withdrawn from the ionosphere. The = literature states that there is a two was exchane of ions and electrons = between the ionospher and the ring currents. This "vacuum cleaner" = effect prior to the onset of electron precipitation might explain your = observation of inproved conditions?=20 Fascinating stuff :-)) Alan G3NYK ----- Original Message -----=20 From: Roelof Bakker=20 To: jcraig@mun.ca ; rsgb_lf_group@blacksheep.org=20 Sent: Saturday, October 29, 2016 11:53 AM Subject: Re: LF: 477.7 kHz CW Hello Joe, Another poor night at least for reception from Canada. See attachment. The amazing thing is that I had a proper decode from NAVTEX Bangkok, = Thailand on 518 kHz, last evening. =20 20161028 2059 518 $11F HAS Bangkok (Nonthaburi),THA 9325=20 2016-10-28 20:59:34> ZCZC FR93 2016-10-28 20:59:37> 2016-10-29 8 03:50 2016-10-28 20:59:38> 2016-10-28 20:59:41> FROM BANGKOK RADIO 2016-10-28 20:59:44> (CAT TELEC~~DPUBLIC 2016-10-28 20:59:47> COMPANY LIMITED~) 2016-10-28 20:59:51> ~NOTICE TO MARINERS 2016-10-28 20:59:54> NO.67/2556(TEMM~RARY) 2016-10-28 20:59:57> GU~F ~~ THAILAN 2016-10-28 20:59:59> ND~ILLING ~PJRATIDNS 2016-10-28 20:59:59> The Kyoto Dst made another dive overnight. I have often noted that = before such an event propagation can increase spectacular. Does anyone = know of a good explanation of this phenomenon? Best regards, Roelof = =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D From: Roelof Bakker, PAoRDT Location: Middelburg, Zealand SW Netherlands, 51 30 02 N, 03 36 02 E Locator: JO11tm Receiver hardware: PERSEUS, Receiver software: PERSEUS V5 Aerial: pa0rdt-mini-whip, 5 metre up in a hawthorn tree. = =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D -------------------------------------------------------------------------= ----- The following section of this message contains a file attachment prepared for transmission using the Internet MIME message format. If you are using Pegasus Mail, or any other MIME-compliant system, you should be able to save it or view it from within your mailer. If you cannot, please ask your system administrator for assistance. ---- File information ----------- File: VO1NA20161028-29.gif Date: 29 Oct 2016, 12:39 Size: 124617 bytes. Type: GIF-image ------=_NextPart_000_0055_01D23243.AC6B0C60 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hi Roelof, this current event is a very = different=20 kind of event to the usual CME or Solar hole high-speed flow. There does = not=20 seem to be any "dense" stream of plasma, but the = Solar wind velocity=20 has incresed from 300km/sec to 600km/sec......but it seems there are not = a lot=20 of ions/electrons around. The Kyoto Dst plunged (based on earth bound=20 magnetometers) but the Colorado estimate based on Ace Solar wind data = hardly=20 changed  (thought the data may not be reliable at present) Also the = plunge=20 to -75nT shown on Kyoto was followed by a steep rise (recovery in less = than 24=20 hours which is quite unusual). I am thinking this might mean that there = was=20 little hot-electron precipitation from this event (normally 6 hours of = Kp=3D6=20 peaking 7 would depress the Dst for 10 days or more.)  You have = probably=20 noticed the upward movement of the Dst before the steep fall in normal = CME=20 events.....there is no sign of this. I am led to believe that there has = been=20 little precipitation of hot electrons into the ionoshere, and it would = seem that=20 reports confirm that. I did forget to look at the direction of the=20 IMF.
 
I wonder if the CME style event where = there is an=20 upward movement in the Dst (possibly caused by positive ion trapping in = the ring=20 current) actually couses electons to be withdrawn from the ionosphere. = The=20 literature states that there is a two was exchane of ions and electrons = between=20 the ionospher and the ring currents. This "vacuum cleaner" effect prior = to the=20 onset of electron precipitation might explain your observation of = inproved=20 conditions? 
 
Fascinating stuff :-))
 
Alan
G3NYK
 
----- Original Message -----
From:=20 Roelof=20 Bakker
To: jcraig@mun.ca ; rsgb_lf_group@blacksheep.org= =20
Sent: Saturday, October 29, = 2016 11:53=20 AM
Subject: Re: LF: 477.7 kHz = CW

Hello=20 Joe,

Another poor night at least for reception = from=20 Canada.
See=20 attachment.

The=20 amazing thing is that I had a proper decode from NAVTEX Bangkok, = Thailand on=20 518 kHz, last evening.
      
20161028 2059 518 $11F HAS Bangkok = (Nonthaburi),THA=20 9325
2016-10-28 20:59:34> ZCZC FR93
2016-10-28 20:59:37>=20 2016-10-29 8 03:50
2016-10-28 20:59:38>
2016-10-28 = 20:59:41> FROM=20 BANGKOK RADIO
2016-10-28 20:59:44> (CAT = TELEC~~DPUBLIC
2016-10-28=20 20:59:47> COMPANY LIMITED~)
2016-10-28 20:59:51> ~NOTICE TO=20 MARINERS
2016-10-28 20:59:54> = NO.67/2556(TEMM~RARY)
2016-10-28=20 20:59:57> GU~F ~~ THAILAN
2016-10-28 20:59:59> ND~ILLING=20 ~PJRATIDNS
2016-10-28 20:59:59>

The=20 Kyoto Dst made another dive overnight. I have often noted that before = such an=20 event propagation can increase spectacular. Does anyone know of a good = explanation of this phenomenon?

Best=20 regards,
Roelof
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
From:=20 Roelof Bakker, PAoRDT
Location: Middelburg, Zealand SW = Netherlands, 51 30 02=20 N, 03 36 02 E
Locator: JO11tm
Receiver hardware: = PERSEUS,
Receiver software: PERSEUS = V5
Aerial: pa0rdt-mini-whip, 5 metre up in a = hawthorn=20 tree.
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 

The following section of this message contains a file=20 attachment
prepared for transmission using the Internet MIME = message=20 format.
If you are using Pegasus Mail, or any other MIME-compliant=20 system,
you should be able to save it or view it from within your=20 mailer.
If you cannot, please ask your system administrator for=20 assistance.

   ---- File information=20 -----------
     File: =20 VO1NA20161028-29.gif
     Date:  29 Oct = 2016,=20 12:39
     Size:  124617=20 bytes.
     Type: =20 GIF-image
------=_NextPart_000_0055_01D23243.AC6B0C60--