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    06/30/2011 | Space Weather Prediction Center to Continue Broadcasts on WWV and WWVH

    In April 2011, the Space Weather Prediction Center (SWPC) informed the public that as of September 6, 2011, it would no longer broadcast its geophysical alert message on WWV and WWVH. The ARRL has now learned that the SWPC has changed its mind and will ke
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    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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    04/25/2011 | Space Weather Prediction Center to Discontinue Broadcasts on WWV and WWVH

    Beginning Tuesday, September 6, the Space Weather Prediction Center (SWPC) will cease broadcasting its geophysical alert message on WWV and WWVH. These messages inform listeners of the solar flux, the mid-latitude A and K indices and space weather storms,
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    03/18/2011 | The K7RA Solar Update

    The average daily sunspot numbers this week plummeted 45 points to 69, while the average daily solar flux was off over 26 points to 113.1. Sunspot numbers for March 10-16 were 88, 105, 78, 64, 51, 47 and 50, with a mean of 69. The 10.7 cm flux was 131.3,
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    11/12/2010 | The K7RA Solar Update

    Both the average daily sunspot numbers and solar flux increased over the past week, with sunspot numbers up 7.4 points to 33.1, and solar flux up 2.1 points to 84.2. Four new sunspot groups have appeared since November 4. For some reason, NOAA is currentl
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  • A coronal mass ejection (CME).

    06/08/2010 | Space Weather and Solar Storms to be Topics at Upcoming Forum in Nation’s Capital

    The National Space Weather Program Council will be conducting a forum in Washington, DC next month. The Space Weather Enterprise Forum, scheduled for June 8 at the National Press Club, will discuss how solar storms affect today’s technological society. Th
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    05/07/2010 | The K7RA Solar Update

    Sunspots made a strong return this week -- and so did geomagnetic activity. The average daily solar flux increased 4.2 points to 79.6; on Wednesday, May 5, the daily sunspot number reached 77, the highest in nearly four years. The sunspot number hasn’t be
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