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The K7RA Solar Update

ARRL

Well-Known Member
Nov 15, 2008
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Average daily sunspot numbers over the past week rose over 23 points to 109.4, compared to the previous reporting week. Average daily solar flux was up nearly 21 points to 127.9. Two days, July 6 and July 10, had the most geomagnetic activity, with a planetary A index of 25 on July 10. Planetary A index of July 6 was 21.

The forecast issued on July 7 had a predicted solar flux of 145 on July 11-...





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