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The K7RA Solar Update

ARRL

Well-Known Member
Nov 15, 2008
10,994
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Average daily sunspot numbers and solar flux both increased over the past week. Average daily solar flux went from 92.9 to 96.8, and average daily sunspot number from 41.4 to 64.4. Geomagnetic indicators increased, with the most activity on March 6 and 7.

On March 6-7 the planetary A index was 35 and 24. According to Spaceweather.com, this was caused by a CIR. On March 4 they wrote, “NOAA forec...

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