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The K7RA Solar Update

ARRL

Well-Known Member
Nov 15, 2008
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At 0326 UTC on October 12 the Australian Space Forecast Centre issued a Geomagnetic Disturbance Warning.

”The high-speed streams associated with a recurrent positive polarity Northern hemisphere coronal hole are expected to persist for a few days. If the Bz component of the IMF turned strongly southward for prolonged periods, earth could experience Minor Storm conditions on 13 October.

“Increased...

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