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The K7RA Solar Update

ARRL

Well-Known Member
Nov 15, 2008
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All four of the indices we track rose over the past week, with average daily sunspot number rising from 50.6 to 86.6, average daily solar flux up from 105.4 to 117.4, average daily planetary A index increasing from 7.3 to 9.4, and average daily mid-latitude A index up from 5.6 to 6.4.

Predicted solar flux for the near term is 110 and 105 on February 12-13, 105 on February 14-16, 111, 100, 105 an...

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