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The K7RA Solar Update

ARRL

Well-Known Member
Nov 15, 2008
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In addition to the sunspot group 1029 that graced us from October 23-30, a new Solar Cycle 24 spot -- 1030 -- just emerged on Thursday. It is currently in a maximally geo-effective position (in other words, in the center longitudinal meridian as viewed from Earth), and may provide some enhancement for the ARRL CW Sweepstakes this weekend. On Thursday, the daily sunspot number was 15. Sunspot numbers for October 29-November 4 were 19, 13, 0, 0, 0, 0 and 0 with a mean of 4.6. The 10.7 cm flux was 76.7, 75.2, 75.1, 72.3, 71.4, 71.5 and 71.4 with a mean of 73.4. The estimated planetary A indices were 7, 11, 1, 2, 2, 0 and 0 with a mean of 3.3. The estimated mid-latitude A indices were 5, 8, 1, 2, 2, 1 and 1 with a mean of 2.9.



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