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  • latest120612

    12/07/2012 | The K7RA Solar Update

    Solar activity declined again this week, with the average daily sunspot numbers dropping 17.8 points, from 78.9 to 61.1, while the average daily solar flux declined 19.4 points, from 121 to 101.6.
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  • latest112612

    11/26/2012 | The K7RA Solar Update

    In November 16 edition of the Solar Update, we reported that the average daily sunspot number on November 8-14 was 104.9. In the next seven day reporting period -- November 15-21 -- the average was 126.9, making for a nice increase; with solar flux, the a
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  • latest110112

    11/02/2012 | The K7RA Solar Update

    Solar activity quieted this week, with the average daily sunspot numbers down nearly 37 points to 58.4 and the average daily solar flux declining 27 points to 116.9.
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  • latest102612

    10/26/2012 | The K7RA Solar Update

    Good conditions should prevail for the CQ World Wide SSB DX Contest this weekend. A chance for solar flares has greatly diminished in the past few days, and the latest forecast has the planetary A index at a steady and quiet 5 for this weekend and beyond,
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  • latest062812

    06/29/2012 | The K7RA Solar Update

    Sunspot activity continued to drop until early this week: The average daily sunspot numbers were 26.3, down more than 58 points from last week’s numbers, while the average daily solar flux declined to 92.8, down over 33 points from last week’s average.
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  • latest052512.jpg

    05/25/2012 | The K7RA Solar Update

    The average daily sunspot numbers declined seven points over the past week to 110.3, while the average daily solar flux dropped 3.3 points to 131. Sunspot numbers for May 17-23 were 114, 118, 110, 124, 120, 95 and 91, with a mean of 110.3. The 10.7 cm flu
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  • latest042612

    04/27/2012 | The K7RA Solar Update

    Solar activity revived over the past week, with a big increase in sunspot numbers. On Friday, April 20, the daily sunspot number reached 162; four days later on April 24, the number reached 169. This level of activity has not been seen since last fall, wh
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  • latest040512

    04/05/2012 | The K7RA Solar Update

    Over the past week, the average daily sunspot number and solar flux values rose slightly, even though as the week progressed, each day had a lower number than the day before. The daily sunspot number began the week at a high of 100, but ended at 60. Likew
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