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LF: Re: Rain stops play { of protons }

To: <[email protected]>
Subject: LF: Re: Rain stops play { of protons }
From: "Alan Melia" <[email protected]>
Date: Wed, 18 Mar 2015 00:20:59 -0000
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Hi Graham this is going to be "interesting" to say the least. The Dst has plunged to -225nT and looks in freefall  NOAA has just issued another Kp=8 alert. This really is filling up the ring current, the effects may well last two or three weeks! BUT daytime levels may be enhanced tomorrow maybe Friday too if there is any more activity.  The interesting thing is that these hot precipated electrons will not decay like the normal daytime photo-dissociated variety. So whilst the status may not be what we expected, there is a chance to see if we can detect a decay rate for the hot electrons during the eclipse. It will be a much more complex situation, but it may be necessary for some reasonably powerful stations to be active, because the eclise may cause propagation to collapse rather than improve.
 
This becomes an even rarer event in terms of LF propagation.!!
 
Alan
 
----- Original Message -----
From: Graham
Sent: Tuesday, March 17, 2015 9:20 PM
Subject: LF: Rain stops play { of protons }

QSP ....  Weather  report  from  Iceland  
 
 
A geomagnetic storm since early this morning is
playing havoc up here in the Aurora zone.
Total blackout on lower bands, only occasional
raspy sig hrd on the higher. Let's just hope it
passes in time for Friday!

73, Villi TF3DX


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