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  • latest041912

    04/20/2012 | The K7RA Solar Update

    Both the solar flux and sunspot numbers reached a short term low on April 8-11, but they are now rising again. For the past week -- April 12-18 -- the average daily sunspot numbers more than doubled, compared to the previous seven days, rising more than 3
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  • latest041212

    04/13/2012 | The K7RA Solar Update

    Solar activity took a serious nosedive this week, with the average daily sunspot numbers dropping to a value less than half the previous week’s average -- down nearly 43 points to 32.6. The solar flux values were also off, down nearly 12 points to 95.9. T
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  • latest033012.jpg

    03/30/2012 | The K7RA Solar Update

    Eight new sunspot groups appeared this week, but the average daily sunspot number declined four points to 71.1; the average daily solar flux rose by less than two points to 103.7. Sunspot numbers for March 22-28 were 86, 74, 65, 84, 56, 63 and 70, with a
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  • latest032312.jpg

    03/23/2012 | The K7RA Solar Update

    Solar activity declined this week: The average daily sunspot numbers were off by more than 13 points to 75.1, while the average daily solar flux dropped over 32 points to 102.1. The solar flux dropped barely below 100, but rounded up to 100 as shown on th
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  • latest031512

    03/16/2012 | The K7RA Solar Update

    The average daily sunspot numbers over the past reporting week (March 8-14) were 88.3, a rise of nearly 19 points; the average daily solar flux rose more than 12 points to 134.2. Sunspot numbers for March 8-14 were 86, 96, 89, 103, 89, 80 and 75, with a m
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  • latest030812

    03/09/2012 | The K7RA Solar Update

    This has been quite a week for dramatic solar activity. The average daily sunspot number was up nearly 26 points to 69.4, while the average daily solar flux rose nearly 17 points to 121.9 for the period March 1-7. Sunspot numbers for March 1-7 were 24, 24
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  • latest021612

    02/17/2012 | The K7RA Solar Update

    We are more than halfway through the winter season, and today -- February 17 -- is 58 days after the winter solstice. Propagation should improve as we approach the vernal equinox on March 20, which is just 32 days from now. Solar activity is still in the
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  • latest020912

    02/10/2012 | The K7RA Solar Update

    Solar activity was down again this week -- this is the third week in a row with sunspot numbers lower than the week prior. On January 20, we reported an average daily sunspot number of 116.9 for January 12-18, 98.7 the next week, followed by 62 the week o
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