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The K7RA Solar Update

ARRL

Well-Known Member
Nov 15, 2008
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In the last reporting week (February 9-15) average daily sunspot numbers declined from 21.3 to 17.6, and average daily solar flux rose from 73.5 to 75.1. Average planetary A index dropped from 12.9 to 4.7, and mid-latitude A index from 9.9 to 2.9.


Predicted solar flux is 74 on February 17-19, then 77, 80, 83, 85 and 80 on February 20-24, 78 on February 25-26, 76 on February 27-28, 75 on March 1-...

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