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  • latest081111

    08/12/2011 | The K7RA Solar Update

    The average daily sunspot numbers declined more than 24 points to 75.1 this week, while the average daily solar flux was down more than 12 points to 104.3. We saw solar flares recently, with a substantial geomagnetic upset on Friday and Saturday -- August
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  • latest080411

    08/05/2011 | The K7RA Solar Update

    Solar activity markedly increased this week, with the sunspot number rising to 130 on Monday, August 1 -- the highest since a reading of 131 on April 14, 2011. The average daily sunspot numbers more than doubled this week compared to last, rising nearly 5
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  • latest072811

    07/29/2011 | The K7RA Solar Update

    Sunspot activity dipped over this past week, but now it on its way back up. On July 20, five sunspot groups were visible, but on July 21, only groups 1251, 1254 and 1259 remained. On July 24, new sunspot group 1260 appeared, and the next day, 1251 disappe
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  • latest072111

    07/22/2011 | The K7RA Solar Update

    The average daily sunspot numbers for the week rose nearly 27 points to 92.4, while the average daily solar flux increased more than 9 points to 98.2. Sunspot numbers for July 14-20 were 79, 90, 75, 101, 127, 96 and 79, with a mean of 92.4. The 10.7 cm fl
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  • latest071411

    07/15/2011 | The K7RA Solar Update

    The average daily sunspot numbers this week were up 57 percent over the previous seven days, rising from 41.6 to 65.6, while the average daily solar flux rose just 3 points to 89.1. There seem to be plenty of sunspots of late, but none have been large, an
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  • latest070711

    07/08/2011 | The K7RA Solar Update

    The average daily sunspot numbers for the past week dropped less than a point -- from 42 to 41.6 -- compared to the previous week, while the average daily solar flux was down more than 5 points to 86.2. Sunspot numbers for June 30-July 6 were 34, 51, 54,
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  • latest063011

    07/01/2011 | The K7RA Solar Update

    The predicted Field Day geomagnetic storm never appeared, although conditions were unsettled leading up to last weekend. The average daily sunspot numbers for the week were down 13 points compared to the previous week, while the average daily solar flux w
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  • latest061611

    06/17/2011 | The K7RA Solar Update

    The average daily sunspot numbers for the past week declined by more than half, nearly 52 points to 35.1, when compared to the previous week. Sunspot numbers for June 9-15 were 46, 35, 37, 16, 16, 48 and 48, with a mean of 35.1. The 10.7 cm flux was 87.5,
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