The geomagnetic activity caused by the passage of the 28 Dec coronal mass ejection has began to subside and the near-Earth solar wind environment is returning to normal levels.
A positive polarity coronal hole in the northern hemisphere is expected to cause periods of active geomagnetic field activity (Kp=4) on 02-03 Jan
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“Purchase at DVD at http://www.arrl.org/shop/ARRL-at-100-A-Century-of-Ham-Radio/ Produced by: ARRL, the national association for Amateur Radio, (c) 2014. Narrated by Becky Schoenfeld, W1BXY, QST Managing Editor.http://www.arrl.org The... Read more
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