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Tad Cook, K7RA, Seattle, reports: Sunspot activity was up over the past week, with the average daily sunspot number rising from 28.7 to 59.4, and average daily solar flux up 11.4 points to 89.8. Nice to see our sun peppered with spots again as we move into the second week of fall in the Northern Hemisphere.The 10.7-centimeter solar flux was 101.6 at noon on Wednesday, September 29. That’s the h...
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