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  • latest042613.jpg

    04/26/2013 | The K7RA Solar Update

    Solar activity was quiet this week: The average daily sunspot number declined nearly 23 points to 90.6, while the average daily solar flux values were down nearly 13 points to 109.1.
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    04/19/2013 | The K7RA Solar Update

    While solar activity weakened this past week, geomagnetic conditions were stable. The geomagnetic storm predicted for last weekend did not happen, and both the planetary and mid-latitude A index only rose to 10 on April 14 in response to a glancing blow f
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    04/05/2013 | The K7RA Solar Update

    Solar activity increased over this past week, with the average daily sunspot numbers up 32 points to 81.6, while the average daily solar flux increased more than 16 points to 113.4. The geomagnetic field was active on March 29 due to solar wind.
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    03/15/2013 | The K7RA Solar Update

    Solar indicators were mixed this week, with the average daily sunspot number down 8.4 points to 84.9, while the average daily solar flux rose 5.9 points to 118.5. Geomagnetic indices were much quieter, with the average planetary A index down 4.7 points to
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  • latest030113.jpg

    03/01/2013 | The K7RA Solar Update

    This past week, there was a decline in the solar and geomagnetic indices: The average daily sunspot number dropped nearly 21 points to 57.7, while the average daily solar flux softened by 4.7 points to 100.9 and the average daily planetary A index declin
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    02/15/2013 | The K7RA Solar Update

    Solar activity continues at the low levels that we have seen in the past few weeks. The sunspot numbers have been remarkably consistent, with the average daily numbers for the weeks since January 17 at 56.4, 55.7, 50.7 and finally 51.3 for this past week.
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    02/08/2013 | The K7RA Solar Update

    The average daily sunspot numbers hardly changed from last week and the week prior, but the average daily solar flux bounced back to about the level it was from two weeks ago: The average daily sunspot numbers were down 5 points to 50.7, while the average
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    02/01/2013 | The K7RA Solar Update

    Both the sunspot numbers and the solar flux barely changed in the past week: The average daily sunspot numbers were 55.7, down slightly from 56.4 the previous week, while the average daily solar flux was 98.7, down from 110.7.
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