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The K7RA Solar Update

A

ARRL

Well-Known Member
Nov 15, 2008
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Over the past week (September 29 through October 5), relative to the previous seven days the average daily sunspot number declined 9 points to 20.7, and average daily solar flux increased from 81.4 to 86.7. Average daily planetary A index increased from 19.7 to 21.4, and average mid-latitude A index (measured in Virginia) increased from 12.3 to 15.1.

Hey, think that was bad? At University of Ala...

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