Return-Path: X-Spam-DCC: paranoid 1290; 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=1.7 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, FORGED_MUA_OUTLOOK,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 tA8B9YHV009390 for ; Sun, 8 Nov 2015 12:09:34 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ZvNnp-0004h1-Pm for rs_out_1@blacksheep.org; Sun, 08 Nov 2015 11:06:29 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ZvNnp-0004gs-FP for rsgb_lf_group@blacksheep.org; Sun, 08 Nov 2015 11:06:29 +0000 Received: from rgout0201.bt.lon5.cpcloud.co.uk ([65.20.0.200]) by relay1.thorcom.net with esmtp (Exim 4.86) (envelope-from ) id 1ZvNml-00062y-A6 for rsgb_lf_group@blacksheep.org; Sun, 08 Nov 2015 11:06:28 +0000 X-OWM-Source-IP: 86.136.57.57 (GB) X-OWM-Env-Sender: alan.melia@btinternet.com X-CTCH-RefID: str=0001.0A090203.563F2C63.0027,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0 X-Junkmail-Premium-Raw: score=39/50,refid=2.7.2:2015.11.8.94215:17:39.532,ip=86.136.57.57,rules=__HAS_MSGID, __SANE_MSGID, MSGID_32HEX_LC, INVALID_MSGID_NO_FQDN, __MSGID_32HEX, __HAS_FROM, __PHISH_FROM2, __FRAUD_WEBMAIL_FROM, __TO_MALFORMED_2, __TO_NO_NAME, __REFERENCES, __BOUNCE_CHALLENGE_SUBJ, __BOUNCE_NDR_SUBJ_EXEMPT, __SUBJ_ALPHA_END, __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, __ANY_URI, LINK_TO_IMAGE, __FRAUD_BODY_WEBMAIL, __URI_NO_WWW, __CP_URI_IN_BODY, __SUBJ_ALPHA_NEGATE, SUPERLONG_LINE, __URI_IN_BODY, __HTML_AHREF_TAG, __HAS_HTML, BODYTEXTP_SIZE_3000_LESS, BODYTEXTH_SIZE_10000_LESS, __MIME_HTML, __TAG_EXISTS_HTML, RDNS_GENERIC_POOLED, __URI_NS, SXL_IP_DYNAMIC[57.57.136.86.fur], HTML_50_70, RDNS_SUSP_GENERIC, __PHISH_FROM, __OUTLOOK_MUA, RDNS_SUSP, __FRAUD_WEBMAIL, FORGED_MUA_OUTLOOK, REFERENCES, NO_URI_HTTPS X-CTCH-Spam: Unknown Received: from gnat (86.136.57.57) by rgout02.bt.lon5.cpcloud.co.uk (8.6.122.06) (authenticated as alan.melia@btinternet.com) id 563A072D00697E27 for rsgb_lf_group@blacksheep.org; Sun, 8 Nov 2015 11:05:01 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=btinternet.com; s=btcpcloud; t=1446980718; bh=VqlHWHT3+xGzumRQZ+spzp1GucWXYmZfIsLcnrCDmuY=; h=Message-ID:From:To:References:Subject:Date:MIME-Version:X-Mailer; b=oJohHNEHaxp2XD1ZtihZ+Uh6FOhISS0Yoosydbm75y2mufWw91DlA5lB6niD1yJm7//kqkk0RxZ5FNT3l5ggKcK+a6kLyie0I+IGE0w1MCtMBxaN5sHkYPIwcdb/ljH3rHd7zNLDGCyICewH+O2kFLXpGVOq2lpCV7k4NcGLBco= Message-ID: <2B320CD5AFE54942BE7D6026BC570FB2@gnat> From: "Alan Melia" To: References: <2ACC8AE2FB854F3181D2473D18A24510@White> Date: Sun, 8 Nov 2015 11:05:02 -0000 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: 72f3686d3f5e154c987315e88c667a5f Subject: Re: LF: Polarisation, VLF Luxembourg effect Content-Type: multipart/alternative; boundary="----=_NextPart_000_001A_01D11A15.50ED9D40" 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: RO X-Status: X-Keywords: X-UID: 4901 This is a multi-part message in MIME format. ------=_NextPart_000_001A_01D11A15.50ED9D40 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi Markus, I have never been able to pin it down because the reports = were "anecdotal" rather than systematic, but I noted some years back = that there were more reports of ICM after a magnetic storm. However I = suspect that the effect, if it is related to electron precipitation, = does not occur after every geomagnetic event. Maybe precipitated hot electrons need less heating from the RF source = :-)) Peter Martinez suggested looking for it between a Loran site and a BC = (or other LF) station using the GRI to dig out weak effects that may not = normally always be noticed. I recruited some interested monitoring = stations in the US then they shut down their Loran :-(( The path = geometry needs to be right. Alan G3NYK ----- Original Message -----=20 From: Markus Vester=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Sunday, November 08, 2015 12:45 AM Subject: Re: LF: Polarisation, VLF Luxembourg effect Now also another strip involving DHO with GQD: 138.83 - (23.4 - 22.1) =3D 137.53 kHz http://df6nm.bplaced.net/LF/vlf_lf_icm_2013/df6nm_151108_0040.jpg=20 73, Markus From: Markus Vester=20 Sent: Sunday, November 08, 2015 12:44 AM To: rsgb_lf_group@blacksheep.org=20 Subject: LF: Polarisation, VLF Luxembourg effect Something is going on up there in the ionosphere... Directional colours on my LF grabber are more variable than usual, = indicating that polarisation is being stirred up. And there is strong = VLF-to-LF intermodulation, shown by the appearance of coloured MSK = strips in the middle of the band: 138.83 - (23.4 - 21.75) =3D 137.18 kHz (purple, modulated on DCF39), 135.43 + (23.4 - 21.75) =3D 137.08 kHz (red, on HGA22). Screenshot: = http://df6nm.bplaced.net/LF/vlf_lf_icm_2013/df6nm_151107_2325.jpg Best 73, Markus (DF6NM) ------=_NextPart_000_001A_01D11A15.50ED9D40 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hi Markus, I have never been able to = pin it down=20 because the reports were "anecdotal" rather than systematic, but I noted = some=20 years back that there were more reports of ICM after a magnetic storm. = However I=20 suspect that the effect, if it is related  to electron = precipitation, does=20 not occur after every geomagnetic event.
 
Maybe precipitated hot electrons need = less heating=20 from the RF source :-))
 
Peter Martinez suggested looking for it = between a=20 Loran site and a BC (or other LF) station using the GRI to dig out weak = effects=20 that may not normally always be noticed. I recruited some interested = monitoring=20 stations in the US then they shut down their Loran :-((  The path = geometry=20 needs to be right.
 
Alan
G3NYK
 
----- Original Message -----
From:=20 Markus=20 Vester
Sent: Sunday, November 08, 2015 = 12:45=20 AM
Subject: Re: LF: Polarisation, = VLF=20 Luxembourg effect

Now also another strip involving = DHO with=20 GQD:
 138.83 - (23.4 - 22.1) =3D = 137.53=20 kHz
http://df6nm.bplaced.net/LF/vlf_lf_icm_2013/df6nm_151108_0040.jpg&n= bsp;
 
73, Markus

Sent: Sunday, November 08, 2015 12:44 AM
To: rsgb_lf_group@blacksheep.org= =20
Subject: LF: Polarisation, VLF Luxembourg = effect

Something is going on up there in the = ionosphere...
 
Directional colours on my LF = grabber are=20 more variable than usual, indicating that polarisation is = being stirred=20 up. And there is strong VLF-to-LF intermodulation, shown by the=20 appearance of coloured MSK strips in the middle of the=20 band:
 138.83 - (23.4 - 21.75) =3D = 137.18 kHz=20 (purple, modulated on DCF39),
 135.43 + (23.4 - 21.75) = =3D 137.08 kHz=20 (red, on HGA22).
 
Screenshot: http://df6nm.bplaced.net/LF/vlf_lf_icm_2013/df6nm_151107_2325.jpg
 
Best 73,
Markus (DF6NM)
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