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The K7RA Solar Update

ARRL

Well-Known Member
Nov 15, 2008
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Solar activity over the past week (August 18-24) was down compared to the previous week, with average daily sunspot number s declining from 73.9 to 33.9, and average daily solar flux from 89.2 to 79.6.

Average planetary A index increased from 6.9 to 9.7, while the mid-latitude number rose from 7.4 to 8.7.

The latest prediction (on August 25, 2016) shows expected solar flux at 78 on August 26-29,...

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