Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=5.0 tests=FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,HTML_MESSAGE,RCVD_IN_DNSWL_MED, SPF_PASS,T_DKIM_INVALID autolearn=ham autolearn_force=no version=3.4.0 X-Spam-DCC: : mailn 1480; Body=2 Fuz1=2 Fuz2=2 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by lipkowski.org (8.14.4/8.14.4/Debian-8+deb8u1) with ESMTP id v4UJse47001043 for ; Tue, 30 May 2017 21:54:41 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1dFn9R-0004mJ-1G for rs_out_1@blacksheep.org; Tue, 30 May 2017 20:49:57 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1dFn9J-0004mA-HV for rsgb_lf_group@blacksheep.org; Tue, 30 May 2017 20:49:49 +0100 Received: from resqmta-ch2-08v.sys.comcast.net ([2001:558:fe21:29:69:252:207:40]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89) (envelope-from ) id 1dFn9F-0007Hr-OA for rsgb_lf_group@blacksheep.org; Tue, 30 May 2017 20:49:48 +0100 Received: from resomta-ch2-05v.sys.comcast.net ([69.252.207.101]) by resqmta-ch2-08v.sys.comcast.net with SMTP id Fn8ddk151AfZsFn9AdIIGB; Tue, 30 May 2017 19:49:40 +0000 X-DKIM-Result: Domain=comcast.net Result=Signature OK DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=comcast.net; s=q20161114; t=1496173780; bh=/+SRDW3O5uqMJExiKKPQrwxDmEB1mI/O/D+aHtsWvjg=; h=Received:Received:From:To:Subject:Date:Message-ID:MIME-Version: Content-Type; b=hmCb2wKJszq+9PlssUT0049qR7yfEmW6vraTRk86wChqELUQM2oX7Ps5C7GAJfnjf VvTFgDQvw14mzxryyJaR+YBRN/i8W2MngeK3gFqCvAo9zMJ++d/8+q28yI48hFEsW0 mXzpJdlGruoo1BX8q/43lWzjeaio7VvyJBD9X2Dmrez10P8gvj1qXZK+DjFJ4UK1TB FouMUKbks8DOqw6vev3A2kHrr3qTn6DgpAkNHohd5gUqIHmYZE6RWvyNGup8AAa6L3 lDmyQQshNkurljIqZ80xXyCOFJ7x0gwpX7RWe/eCUjcZ84Sh2MP/AzmCItbk50mKYi ZTY7TUgj1yBWg== Received: from Owner ([IPv6:2601:140:8500:7f9f:95ee:8e4:40de:a9b4]) by resomta-ch2-05v.sys.comcast.net with SMTP id Fn98do7xKxrGZFn98dhsVm; Tue, 30 May 2017 19:49:39 +0000 From: To: References: <579355A36AEE9D4FA555C45D556003AB8FEAC1C2@servigilant.vigilant.local> In-Reply-To: <579355A36AEE9D4FA555C45D556003AB8FEAC1C2@servigilant.vigilant.local> Date: Tue, 30 May 2017 15:49:24 -0400 Message-ID: <005201d2d97d$dfa68fa0$9ef3aee0$@comcast.net> MIME-Version: 1.0 X-Mailer: Microsoft Outlook 14.0 Thread-Index: AQGzKi+uopzdEjkAmHAXAeYmhRg3UaJMidhg Content-Language: en-us X-CMAE-Envelope: MS4wfHWBoKOu+uK66W4sDkQCv05JUQ+ztTiV3Ne5WADOlFyD7N2WJlvPyPoJYxgbEX1SEDCub5uSqpnJC6RuQqqLJP231vvfl0V9mB+mHs1jKFfbzoPf6yQI RoiaosbtSghoGn+lUIxsm7SycOiGtwsWWzA= X-Scan-Signature: 6ae5fe68d6708d1e4a9cbdf0f0af43e5 Subject: LF: RE: The Great Space Weather Storm of May 1967 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0053_01D2D95C.5894EFA0" 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 2.75 Status: RO X-Status: X-Keywords: X-UID: 11837 This is a multipart message in MIME format. ------=_NextPart_000_0053_01D2D95C.5894EFA0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Thanks Louis, =20 I hadn=92t realized it=92s the semicentennial of that great storm; in = the long run much good came directly/indirectly from subsequent research, = including space weather instruments and models.=20 =20 By that time I had upgraded from the superregenerative RX to BC453/4/5 = and RME 4350, which with a Handbook-derived 807 TX and 300-ohm twinlead = folded dipole allowed interesting QSOs in late May (I know where my log book = is, that might be interesting) =20 One of the memorable findings from the storm: strong coherent global oscillation of 5 kHz to 8 kHz VLF emissions (originating in the magnetosphere), time-synchronized in U.S., Europe, and Japan (Harang = 1968) =20 Thanks for the reminder; hope we can continue to make good use of = equipment, data and models that began to evolve after the storm. =20 73, =20 Jim AA5BW =20 =20 From: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of VIGILANT Luis Fern=E1ndez Sent: Tuesday, May 30, 2017 11:55 AM To: rsgb_lf_group@blacksheep.org Subject: LF: The Great Space Weather Storm of May 1967 =20 The strongest recorded event so far, just 50 years ago Dst =3D-387nT, Kp=3D9 for 6 hours Flare flux: 8000 SFU at 2800MHz =20 Dolores J Knipp (Univ of Colorado) recently gave the following talk on = the subject at the American Meteorological Society=92s 14th Conference on = Space Weather https://ams.confex.com/recording/ams/97Annual/mp4/free/4db77adf5df9fff0d3= caf 5cafe28f496/paper305369_1.mp4 =20 73 de Luis EA5DOM =20 ------=_NextPart_000_0053_01D2D95C.5894EFA0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Thanks = Louis,

 

I hadn’t realized = it’s the semicentennial of that great storm; in the long run much = good came directly/indirectly from subsequent research, including space = weather instruments and models.

 

By that time I had = upgraded from the superregenerative RX to BC453/4/5 and RME 4350, which = with a Handbook-derived 807 TX and 300-ohm twinlead folded dipole = allowed interesting QSOs in late May (I know where my log book is, that = might be interesting)

 

One of the memorable = findings from the storm: =A0strong coherent global oscillation of 5 = kHz=A0 to 8 kHz VLF emissions (originating in the magnetosphere), = time-synchronized in U.S., Europe, and Japan (Harang = 1968)

 

Thanks for the reminder; = hope we can continue to make good use of equipment, data and models that = began to evolve after the storm.

 

73,

 

Jim = AA5BW

 

 

From:= = owner-rsgb_lf_group@blacksheep.org = [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of VIGILANT = Luis Fern=E1ndez
Sent: Tuesday, May 30, 2017 11:55 = AM
To: rsgb_lf_group@blacksheep.org
Subject: LF: The = Great Space Weather Storm of May = 1967

 

The = strongest recorded event so far, just 50 years ago

Dst =3D-387nT, Kp=3D9 for 6 hours

Flare flux: 8000 SFU at 2800MHz

 

Dolores J = Knipp (Univ of Colorado) recently gave the following talk on the = subject at the  American Meteorological Society’s 14th = Conference on Space Weather

https://ams.confex.com/recordin= g/ams/97Annual/mp4/free/4db77adf5df9fff0d3caf5cafe28f496/paper305369_1.mp= 4

 

73 de Luis

EA5DOM

 

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