Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, HTML_MESSAGE,T_DKIM_INVALID,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 X-Spam-DCC: INFN-TO: mailn 1233; 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+deb8u2) with ESMTP id v86EDfiP032752 for ; Wed, 6 Sep 2017 16:13:43 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1dpb0F-0002ED-N9 for rs_out_1@blacksheep.org; Wed, 06 Sep 2017 15:08:27 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1dpb0D-0002E4-Pk for rsgb_lf_group@blacksheep.org; Wed, 06 Sep 2017 15:08:25 +0100 Received: from rgout0701.bt.lon5.cpcloud.co.uk ([65.20.0.141]) by relay1.thorcom.net with esmtp (Exim 4.89) (envelope-from ) id 1dpb04-0003vv-Fg for rsgb_lf_group@blacksheep.org; Wed, 06 Sep 2017 15:08:24 +0100 X-OWM-Source-IP: 86.185.176.70 (GB) X-OWM-Env-Sender: alan.melia@btinternet.com X-Junkmail-Premium-Raw: score=12/50,refid=2.7.2:2017.9.6.134816:17:12.455,ip=,rules=__HAS_MSGID, __SANE_MSGID, MSGID_32HEX_LC, INVALID_MSGID_NO_FQDN, __MSGID_32HEX, __HAS_FROM, __FRAUD_WEBMAIL_FROM, __TO_MALFORMED_2, __TO_NO_NAME, __BOUNCE_CHALLENGE_SUBJ, __BOUNCE_NDR_SUBJ_EXEMPT, __MIME_VERSION, __CT, __CTYPE_MULTIPART_ALT, __CTYPE_HAS_BOUNDARY, __CTYPE_MULTIPART, __HAS_X_PRIORITY, __HAS_MSMAIL_PRI, __HAS_X_MAILER, USER_AGENT_OE, __OUTLOOK_MUA_1, __USER_AGENT_MS_GENERIC, __MIME_TEXT_P2, __MIME_TEXT_H2, __ANY_URI, __URI_WITH_PATH, LINK_TO_IMAGE, URI_ENDS_IN_HTML, __FRAUD_BODY_WEBMAIL, __CP_MEDIA_BODY, __FRAUD_REFNUM, FRAUD_ATTACH, __CP_URI_IN_BODY, __SUBJ_ALPHA_NEGATE, SUPERLONG_LINE, __MULTIPLE_URI_TEXT, __URI_IN_BODY, __URI_NOT_IMG, __MULTIPLE_URI_HTML, __HTML_AHREF_TAG, __STYLE_RATWARE_NEG, __URI_WITHOUT_PATH, __STYLE_TAG, __HAS_HTML, __HTML_TAG_DIV, BODYTEXTP_SIZE_3000_LESS, BODYTEXTH_SIZE_3000_MORE, BODYTEXTH_SIZE_10000_LESS, __MIME_TEXT_H1, __MIME_TEXT_P1, __MIME_HTML, __TAG_EXISTS_HTML, __URI_NS, __FRAUD_WEBMAIL, __OUTLOOK_MUA, __FRAUD_COMMON, __MIME_TEXT_H, __MIME_TEXT_P, FORGED_MUA_OUTLOOK, NO_URI_HTTPS Received: from gnat (86.185.176.70) by rgout07.bt.lon5.cpcloud.co.uk (9.0.019.13-1) (authenticated as alan.melia@btinternet.com) id 598528DE030B207A for rsgb_lf_group@blacksheep.org; Wed, 6 Sep 2017 15:08:15 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=btinternet.com; s=btcpcloud; t=1504706896; bh=Y/0xrAaZvveLiZG1HqUjHwAHJ5U/LSE0OYzSZm17L+k=; h=Message-ID:From:To:References:Subject:Date:MIME-Version:X-Mailer; b=hf26gWSqvzrMCARl6iqHmnzYbr+LpBaEkmOaxsrb++dpfwe0LOqJBtMDGs3eTOpNF/d/3xZ2MvwuCM2AJbJayBGq4uNqErgrCkaKJXvaVZRNdlzOD24RI/i2EqkQ/2F+mSK70gGtJJCL3Mab3kA7lJQZ6JmslCAB3QfpnHLoS3M= Message-ID: From: "Alan Melia" To: References: <59AFC5E8.30506@posteo.de>,<15e574606be-c09-4541c@webjas-vad239.srv.aolmail.net> <1504705035099.18636@kuleuven.be> Date: Wed, 6 Sep 2017 15:08:04 +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: 96c1546db5321e0e52b4c66d17932f07 Subject: Re: LF: HF Radio black out / also on VLF! Content-Type: multipart/alternative; boundary="----=_NextPart_000_0067_01D32721.F0641050" 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: 12530 This is a multi-part message in MIME format. ------=_NextPart_000_0067_01D32721.F0641050 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi Rik without checking I think you are right the downward slope of the = last cycle seems to come to mind. It doesnt look as though the GEOS = sensors saturated so the flux value should be about right. The two CMEs in quick succession should be interesting to watch around = Friday. The animation on = http://www.swpc.noaa.gov/products/wsa-enlil-solar-wind-prediction is quite interesting. It shows how the CME snowploughs into the coronal = hole=20 stream scooping up the plasma and creating the Proton big event. This = has=20 left the field fairly clear for the CME associated with today's X2 = event. Alan G3NYK =20 ----- Original Message -----=20 From: Rik Strobbe=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Wednesday, September 06, 2017 2:37 PM Subject: Re: LF: HF Radio black out / also on VLF! seems to be a X10 flare, it has been a while that we had such a strong = flare 73, Rik ON7YD -------------------------------------------------------------------------= ----- Van: owner-rsgb_lf_group@blacksheep.org = namens Markus Vester = Verzonden: woensdag 6 september 2017 14:59 Aan: rsgb_lf_group@blacksheep.org Onderwerp: Re: LF: HF Radio black out / also on VLF!=20 Another even stronger one at 12 UT: http://services.swpc.noaa.gov/images/goes-xray-flux.gif 73, Markus (DF6NM) -----Urspr=FCngliche Mitteilung-----=20 Von: DK7FC An: rsgb_lf_group Verschickt: Mi, 6. Sept 2017 11:56 Betreff: Re: LF: HF Radio black out / also on VLF! Hi Roelof,=20 Very interesting. It also affects VLF! Clearly visible e.g. at = http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber2.html It happens since about 9 UTC. Would have been interesting to observe the propagation on 8.27 kHz = during that time... 73, Stefan Am 06.09.2017 11:15, schrieb Roelof Bakker:=20 Hello all, Now something different: It looks like a severe radio black out of HF is ongoing. I have never seen this before. See attachment. This is also an opportunity to look at PLC interference at the lower=20 bands, which is normally covered by signals. I checked it on 3 different antennas: mini-whip, loop and=20 hf-doublet. 73, Roelof, pa0rdt Middelburg, JO11tm =20 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: HF Radio black out.jpg Date: 6 Sep 2017, 11:07 Size: 61486 bytes. Type: JPEG-image ------=_NextPart_000_0067_01D32721.F0641050 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hi Rik without checking I think you are right = the downward=20 slope of the last cycle seems to come to mind. It doesnt look as though = the GEOS=20 sensors saturated so the flux value should be about right.
The two CMEs in quick succession should be = interesting to=20 watch around Friday.
 
The animation on http://www.swpc.noaa.gov/products/wsa-enlil-solar-wind-predictionis=20 quite interesting. It shows how the CME snowploughs into the coronal = hole=20
stream scooping up the plasma and creating the Proton big event. = This has=20
left the field fairly clear for the CME associated with today's X2=20 event.

Alan
G3NYK
 
----- Original Message -----
From:=20 Rik=20 Strobbe
Sent: Wednesday, September 06, = 2017 2:37=20 PM
Subject: Re: LF: HF Radio black = out /=20 also on VLF!

seems to be a X10 flare, it has been a while that we had = such a=20 strong flare


73, Rik  ON7YD


Van: owner-rsgb_lf_group@bl= acksheep.org=20 <owner-rsgb_lf_group@bl= acksheep.org>=20 namens Markus Vester <markusvester@aol.com>
V= erzonden:=20 woensdag 6 september 2017 14:59
Aan: rsgb_lf_group@blacksheep.org=
Onderwerp:=20 Re: LF: HF Radio black out / also on VLF!=20
 
Another=20 even stronger one at 12=20 = UT:

http://services.swpc.noaa.gov/images/goes-xray-flux.gif
73,=20 Markus (DF6NM)


-----Urspr=FCngliche Mitteilung----- =
Von: DK7FC=20 <selberdenken@posteo.de>
An: rsgb_lf_group=20 <rsgb_lf_group@blacksheep.org>
Verschickt: Mi, 6. Sept 2017=20 11:56
Betreff: Re: LF: HF Radio black out / also on = VLF!

Hi Roelof, =

Very=20 interesting. It also affects VLF! Clearly visible e.g. at http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_G= rabber2.html
It=20 happens since about 9 UTC.
Would have been interesting to observe = the=20 propagation on 8.27 kHz during that time...

73, = Stefan

Am=20 06.09.2017 11:15, schrieb Roelof Bakker:=20 
Hello all,

Now something different:

It looks like a severe radio black out of HF is ongoing.
I have never seen this before. See attachment.

This is also an opportunity to look at PLC interference at the lower=20
bands, which is normally covered by signals.

I checked it on 3 different antennas: mini-whip, loop and=20
hf-doublet.

73,
Roelof, pa0rdt
Middelburg, JO11tm

  

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:  HF Radio black out.jpg
     Date:  6 Sep 2017, 11:07
     Size:  61486 bytes.
     Type:  JPEG-image
  =
------=_NextPart_000_0067_01D32721.F0641050--