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The K7RA Solar Update

A

ARRL

Well-Known Member
Nov 15, 2008
10,994
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Solar activity strengthened during the past week. Average daily sunspot numbers increased from 34.3 to 112.4, and average daily solar flux rose from 97.8 to 131.4. The middle latitude A index for June 10-11 can only be guessed, due to some sort of outage depriving us of K-index data over a 27 hour period. The outage began sometime after 1200 UTC June 9 and ended sometime before 1800 UTC June 10...

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