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The K7RA Solar Update

ARRL

Well-Known Member
Nov 15, 2008
10,994
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We saw a modest increase in solar activity in this reporting week, May 4-10.

Average daily sunspot numbers nudged up from 114 to 119.3, and average daily solar flux from 151.5 to 167.1

Average daily planetary A index changed from 13.6 to 15.1, and average middle latitude A index remained the same, 11.9.

Predicted solar flux is 160 on May 12-13, then 155, 150 and 150 on May 14-16, 145 on May 17...

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