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The K7RA Solar Update

Thread starter ARRL
Start date Aug 19, 2011

ARRL

Well-Known Member

Aug 19, 2011

Solar activity was down again this week. The sunspot number on Sunday, August 14 went all the way to 0 for the first time since January 27, which was 29 weeks ago. The average daily sunspot numbers declined nearly 50 points, to 25.6, while the average daily solar flux was down nearly 16 points to 88.5. Sunspot numbers for August 11-17 were 36, 25, 35, 0, 13, 26 and 44, with a mean of 25.6. The ...

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The K7RA Solar Update

ARRL

Well-Known Member

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