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The K7RA Solar Update

ARRL

Well-Known Member
Nov 15, 2008
10,994
54
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At 0725 UTC on February 15 the Australian Space Weather Forecasting
Centre issued a geomagnetic disturbance warning: "A CME impact
occurred around 2200 UTC on February 14. Bz has been southward for
the majority of time since impact and there is a chance of G1
geomagnetic conditions."

Bz is the north-south direction of the Interplanetary Magnetic Field
(IMF).

They predicted a disturbance for February 1...

Continue reading...
 

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