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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 increased dramatically this week.


Over the course of the reporting week, sunspot numbers peaked at 87 on Wednesday, September 8; the day before, solar flux peaked at 101.2.


The average daily sunspot numbers rose by 14, to 64.6, while the average daily solar flux increased from 88 to 92.9. New sunspots appeared on September 2 and September 3, and ...

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