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The K7RA Solar Update

A

ARRL

Well-Known Member
Nov 15, 2008
10,994
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Average daily solar flux and sunspot numbers were down for the second week in a row. Average daily sunspot numbers for January 29 to February 4 were 139, then down to 81.6 the next seven days, and now 54.6 during the February 12-18 (latest) reporting period. The three averages for daily solar flux over the same periods were 151.1, 144.1 and 121.4.

The latest prediction for solar flux is 120 on F...

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