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The K7RA Solar Update

ARRL

Well-Known Member
Nov 15, 2008
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Solar activity rose over the last week, with average daily sunspot numbers rising from 89.1 to 139 in the seven days ending February 4.

Average daily solar flux rose from 136.8 to 151.1. This is the second week in a row with higher sunspot numbers and solar flux than the previous week. Predicted average solar flux for the next 7 days, February 5-11 is 141.

Twice over the past week the daily solar...

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