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The K7RA Solar Update

ARRL

Well-Known Member
Nov 15, 2008
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Well, what a week it has been. The solar flux hit 82.3 on Tuesday, the highest recording yet since the first-observed "new cycle sunspot" in January 2008, the "official" visual start of Solar Cycle 24. Even as I write this, the flux is still at 80, thanks to sunspot region 1029, so let's hope that it is a sign of better things to come. Sunspot numbers for October 22-28 were 0, 30, 21, 28, 29, 29 and 26 with a mean of 23.3. The 10.7 cm flux was 71.6, 72.9, 75.6, 75.5, 81.3, 81.5 and 79.9 with a mean of 76.9. The estimated planetary A indices were 14, 8, 8, 5, 3, 3 and 2 with a mean of 6.1. The estimated mid-latitude A indices were 12, 7, 5, 3, 3, 2 and 3 with a mean of 5. The region (1029) produced several B-class solar flare events and a single C2.2 class flare on the 28th, but luckily CQWW SSB was unaffected for the most part.



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