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The K7RA Solar Update

ARRL

Well-Known Member
Nov 15, 2008
10,994
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Solar activity perked up over the July 2-8 period, with average daily sunspot numbers increasing from 35.9 to 109.1, compared to the previous seven days.

Likewise, average daily solar flux increased from 100.7 to 123.2.

Daily sunspot numbers were below 100 on June 16 through July 3, bottoming out at 25 on June 27.

A moderate geomagnetic storm on July 4-5 was caused by a solar wind stream. The mid-...

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