Message-ID: <ABABC0A2C0E94513A2ED75720058A9CA@gnat>
From: "Alan Melia" <alan.melia@btinternet.com>
To: <rsgb_lf_group@blacksheep.org>
References: <157c533a19a-3cd0-4faf@webprd-a75.mail.aol.com>
Date: Fri, 14 Oct 2016 23:37:01 +0100
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Subject: Re: LF: Re: [rsgb_lf_group] MF: DJ0ABR -> JA3TVF in WSPR
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That is interesting Markus. I did several years ago discus the =
possibility of ICM at the time of a CME impact with Vaino OH2LX (an ICM =
expert)......on the grounds of increased electron density due to =
precipitation. Vaino did not suggest there was any evidence of =
correlation. It needs more that one event to be sure and I have never =
tried the experiment here because I did not seem to have a promising =
path to monitor. It still looks as though it might be worth looking for.

Alan=20
  ----- Original Message -----=20
  From: Markus Vester=20
  To: rsgb_lf_group@blacksheep.org=20
  Sent: Friday, October 14, 2016 10:57 PM
  Subject: Re: LF: Re: [rsgb_lf_group] MF: DJ0ABR -> JA3TVF in WSPR


  Something strange happened on LF around the same time: Looking at the =
WSPR spectrogram, I happened to notice a marked noise increase for about =
eight minutes around 19:15 UT. It is visible as a purple strip on two =
grabber screenshots:=20
  http://df6nm.bplaced.net/LF/vlf_lf_icm_2013/test1610131915.jpg
  http://df6nm.bplaced.net/LF/vlf_lf_icm_2013/test1610131930.jpg

  The noise band was caused by an unusually intense Luxembourg effect, =
with a pair of strong VLF stations (GQD and DHO) acting as a ionospheric =
heaters, impressing their difference frequency onto the DCF39 carrier:

  138.83 - (23.4 - 22.1) kHz =3D  137.53 kHz

  Best 73,
  Markus (DF6NM)

  -----Urspr=C3=BCngliche Mitteilung-----=20
  Von: Roelof Bakker <roelof@ndb.demon.nl>
  An: rsgb_lf_group <rsgb_lf_group@blacksheep.org>
  Verschickt: Fr, 14 Okt 2016 10:27 pm
  Betreff: LF: Re: [rsgb_lf_group] MF: DJ0ABR -> JA3TVF in WSPR


  Hello Clemens,

  There certainly was an opening to Asia last night.
  At 19:28 UTC, I logged a NAVTEX station from Malaysia on 518 kHz=20
  over a distance of 10.015 km.

  73,
  Roelof, pa0rdt




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<DIV><FONT size=3D2 face=3DArial>That is interesting Markus. I did =
several years ago=20
discus the possibility of ICM at the time of a CME impact with Vaino =
OH2LX (an=20
ICM expert)......on the grounds of increased electron density due to=20
precipitation. Vaino did not suggest there was any evidence of =
correlation. It=20
needs more that one event to be sure and I have never tried the =
experiment here=20
because I did not seem to have a promising path to monitor. It still =
looks as=20
though it might be worth looking for.</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT size=3D2 face=3DArial>Alan</FONT>&nbsp;</DIV>
<BLOCKQUOTE=20
style=3D"BORDER-LEFT: #000000 2px solid; PADDING-LEFT: 5px; =
PADDING-RIGHT: 0px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px"=20
dir=3Dltr>
  <DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
  <DIV=20
  style=3D"FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: =
black"><B>From:</B>=20
  <A title=3Dmarkusvester@aol.com =
href=3D"mailto:markusvester@aol.com">Markus=20
  Vester</A> </DIV>
  <DIV style=3D"FONT: 10pt arial"><B>To:</B> <A =
title=3Drsgb_lf_group@blacksheep.org=20
  =
href=3D"mailto:rsgb_lf_group@blacksheep.org">rsgb_lf_group@blacksheep.org=
</A>=20
  </DIV>
  <DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Friday, October 14, 2016 =
10:57=20
  PM</DIV>
  <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> Re: LF: Re: =
[rsgb_lf_group] MF:=20
  DJ0ABR -&gt; JA3TVF in WSPR</DIV>
  <DIV><BR></DIV>
  <DIV=20
  style=3D"FONT-FAMILY: arial,helvetica,sans-serif; COLOR: black; =
FONT-SIZE: 10pt">
  <DIV=20
  style=3D"FONT-FAMILY: arial,helvetica,sans-serif; COLOR: black; =
FONT-SIZE: 10pt"=20
  abp=3D"2606">Something strange happened on LF around the&nbsp;same =
time: Looking=20
  at the&nbsp;WSPR spectrogram, I happened to notice a marked&nbsp;noise =

  increase&nbsp;for about&nbsp;eight minutes around 19:15 UT.&nbsp;It=20
  is&nbsp;visible as a purple strip on two grabber screenshots:&nbsp;<BR =

  abp=3D"2607"><A=20
  =
href=3D"http://df6nm.bplaced.net/LF/vlf_lf_icm_2013/test1610131915.jpg">h=
ttp://df6nm.bplaced.net/LF/vlf_lf_icm_2013/test1610131915.jpg</A><BR><A=20
  =
href=3D"http://df6nm.bplaced.net/LF/vlf_lf_icm_2013/test1610131930.jpg">h=
ttp://df6nm.bplaced.net/LF/vlf_lf_icm_2013/test1610131930.jpg</A><BR><BR>=
The=20
  noise band&nbsp;was caused&nbsp;by an unusually =
intense&nbsp;Luxembourg=20
  effect, with a pair of strong VLF&nbsp;stations (GQD and =
DHO)&nbsp;acting as a=20
  ionospheric heaters,&nbsp;impressing their difference frequency =
onto&nbsp;the=20
  DCF39 carrier:<BR><BR>138.83 - (23.4 - 22.1) kHz =3D &nbsp;137.53=20
  kHz<BR><BR>Best 73,<BR>Markus (DF6NM)<BR abp=3D"2608"><BR=20
  abp=3D"2609">-----Urspr=C3=BCngliche Mitteilung----- <BR =
abp=3D"2610">Von: Roelof=20
  Bakker &lt;roelof@ndb.demon.nl&gt;<BR abp=3D"2611">An: rsgb_lf_group=20
  &lt;rsgb_lf_group@blacksheep.org&gt;<BR abp=3D"2612">Verschickt: Fr, =
14 Okt 2016=20
  10:27 pm<BR abp=3D"2613">Betreff: LF: Re: [rsgb_lf_group] MF: DJ0ABR =
-&gt;=20
  JA3TVF in WSPR<BR abp=3D"2614"><BR abp=3D"2615"></DIV>Hello =
Clemens,<BR=20
  abp=3D"2616"><BR abp=3D"2617">There certainly was an opening to Asia =
last=20
  night.<BR abp=3D"2618">At 19:28 UTC, I logged a NAVTEX station from =
Malaysia on=20
  518 kHz <BR abp=3D"2619">over a distance of 10.015 km.<BR =
abp=3D"2620"><BR=20
  abp=3D"2621">73,<BR abp=3D"2622">Roelof, pa0rdt<BR abp=3D"2623"><BR =
abp=3D"2624"><BR=20
  abp=3D"2625"><BR abp=3D"2626"></DIV></BLOCKQUOTE></BODY></HTML>

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