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The K7RA Solar Update

A

ARRL

Well-Known Member
Nov 15, 2008
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Solar activity was a bit lower this week. Seven new sunspot groups appeared. The only day with no new sunspot groups was Sunday, July 21. The next day two new sunspot groups arose, and all other days each had one new group.

Average daily sunspot number was 208.1, down from 215.9, while average daily solar flux declined from 226 to 193.

Geomagnetic numbers remained quiet, with average planetary ...

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