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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: What happened? Solar Cycle 25 seemed well under way, but no new sunspots have emerged since December 23. The last time any sunspot was visible was January 2. On January 14, Spaceweather.com posted, “Welcome back, solar minimum.”


Average daily solar flux declined from 78.6 to 73.8. Geomagnetic A index remained quiet. Predicted solar flux for the next 30 days is 7...

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