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The K7RA Solar Update

A

ARRL

Well-Known Member
Nov 15, 2008
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Tad Cook, K7RA, Seattle, reports: Sunspot activity was substantially lower this week, but new sunspot groups emerged on December 31, January 1, January 4, and January 5. Average daily sunspot number dropped from 110.1 to 36.4, while average daily solar flux went from 124 to 91.4.


Geomagnetic activity was still fairly quiet, even with a number of flares and coronal mass ejections (CMEs), with ave...

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