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  • solar flare

    05/09/2014 | The K7RA Solar Update

    Good HF propagation in the forecast for the week to come.
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  • latest110812

    11/09/2012 | The K7RA Solar Update

    Solar activity retreated again this week, with the average daily sunspot numbers declining 8.7 points to 49.7, while the average daily solar flux was down nearly 20 points to 97.2.
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  • latest072612

    07/27/2012 | The K7RA Solar Update

    There are new sunspot groups coming over our Sun’s eastern horizon, but this week has been a quiet one, both in terms of sunspot and geomagnetic activity. The average daily sunspot numbers declined by 50 percent -- from 104.7 to 52.1 -- while the average
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  • latest071212

    07/13/2012 | The K7RA Solar Update

    Solar activity rose moderately this week, with the average daily sunspot numbers up nearly 3 points to 120.9, and the average daily solar flux rising more than 28 points to 166.8. There was quite a bit of geomagnetic activity -- the most happening on July
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  • latest061412

    06/15/2012 | The K7RA Solar Update

    Solar activity was lower this week, although for the past few days, both the sunspot numbers and solar flux were rising. The average daily sunspot numbers declined more than 14.3 points to 116.1, while the average daily solar flux was off by 14.5 points t
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  • latest053112

    06/01/2012 | The K7RA Solar Update

    The average daily sunspot numbers sank more than 28 points this week (nearly 26 percent) to 81.9, while the average daily solar flux declined more than 16 points to 111.6. This is for the seven days of May 24-30, and is compared to the previous seven days
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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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  • latest051812

    05/18/2012 | The K7RA Solar Update

    The average daily sunspot numbers for the past week rose nearly 25 points, or about 27 percent, to 117.3. The big day was Monday, May 14 when the daily sunspot number jumped to 156. This was the day after four new sunspot groups, numbered 1481 through 148
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