Hi,
Got this from VLF-Group. May be it's of interest.
Today "NOAA Space Weather" reported:
---
SUMMARY: Geomagnetic Sudden Impulse
Observed: 2012 Oct 31 1539 UTC
Deviation: 13 nT
Station: Boulder
---
I never observed such strong effects due to geomagnetic disturbances:
From Iceland:
http://www.df3lp.de/cgi-bin/fh/plot_channel.cgi?date=12-10-31&freq=57.4KHz
http://www.df3lp.de/cgi-bin/fh/plot_channel.cgi?date=12-10-31&freq=37.5KHz
And Norway:
http://www.df3lp.de/cgi-bin/ki/plot_channel.cgi?date=12-10-31&freq=16.4KHz
Here only northern propagation paths are affected by this event.
Please take a look at your "grabbers"!
?
73 de Peter,
df3lp, North Germany
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