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The K7RA Solar Update

A

ARRL

Well-Known Member
Nov 15, 2008
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Tad Cook, K7RA, Seattle, reports: On March 21 and 22 two new sunspot groups, 2811 and 2812, appeared. Average daily sunspot number this week faded a bit from 19 to 17.9, but average daily solar flux went from 78.1 to 78.6. Neither change is significant.


We haven’t seen a day with no sunspots since March 1, so that brings the percentage of spotless days so far this year to 38%, down from 57% last...

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