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The K7RA Solar Update

ARRL

Well-Known Member
Nov 15, 2008
10,450
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Sunspots finally returned on September 29, after over two weeks with none.

Average daily sunspot numbers increased from 0 to 9.6, and average daily solar flux increased from 67.9 to 68.4 over the past week, September 27 through October 3.

Average daily planetary A index declined from 10.9 to 7.7, while average mid-latitude A index changed from 7.9 to 6.1.

Predicted solar flux is 68 on October 5-18...

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