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The K7RA Solar Update

ARRL

Well-Known Member
Nov 15, 2008
10,596
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Last week’s bulletin featured zero sunspots for the entire seven days. This week (January 12-18) the average daily sunspot number rose to 22.6.

Average daily solar flux rose from 72.5 to 77.1. Average planetary A index declined from 14.3 to 6.

Predicted solar flux is 80 on January 20-23, then 78, 77 and 75 on January 24-26, 77 on January 27 through February 1, 76 on February 2, 75 on February 3-8...

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