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Date: Fri, 9 Mar 2012 15:24:57 +0000 (GMT)
From: ALAN MELIA <alan.melia@btinternet.com>
To: rsgb_lf_group@blacksheep.org
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Subject: Re: LF: Big solar flare - major geomagnetic storms to follow
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Thanks Roelof, that is interesting....the Miami copy ties in with the timin=
g of the E<>W OPERAcopy Graham sent me. its just before dawn here, and it i=
s probably dawn that allows the hot electons into the D-region. The N6RYpat=
h from Warren was prob just after sunset at the western end. It is sometime=
s possible to see the signal climbing after a hit at around 6dB per hour...=
..if you have an "imagination" like mine :-))=0A=0AAlan=0A=0A=0A--- On Fri,=
 9/3/12, Roelof Bakker <roelof@ndb.demon.nl> wrote:=0A=0A> From: Roelof Bak=
ker <roelof@ndb.demon.nl>=0A> Subject: Re: LF: Big solar flare - major geom=
agnetic storms to follow=0A> To: rsgb_lf_group@blacksheep.org=0A> Date: Fri=
day, 9 March, 2012, 14:15=0A> Hello Alan,=0A> =0A> For further "experimenta=
l data", on 518 kHz NAVTEX only=0A> stations from the north at a distance b=
elow 1000 km were=0A> received last night.=0A> Norlandet at 1374 km away, d=
id not appear at all, where it=0A> is a very regular guest otherwise.=0A> =
=0A> It is interesting to note that a perfect decode was received=0A> from =
Miami, 7000+ km away at 04:05 UTC.=0A> =0A> What is also interesting is tha=
t my PERSEUS spectrum window=0A> from 0 - 40 MHz showes depressed signals a=
bove 2 MHz.=0A> The average level is 10 - 20 dB below normal.=0A> =0A> Thes=
e SDR's lent themselves very well for wideband=0A> propagation study!=0A> =
=0A> 73,=0A> Roelof, pa0rdt=0A> =0A>