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  • latest032113

    03/22/2013 | The K7RA Solar Update

    This past week, the average daily sunspot numbers were up 16.2 points to 101.1, while the average daily solar flux remained about the same, rising from 118.5 to 119. An eruption on March 15 caused a coronal mass ejection (CME) that hit Earth on March 17,
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  • latest031513.jpg

    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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  • latest020813

    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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  • latest012513

    01/25/2013 | The K7RA Solar Update

    The average daily sunspot numbers this past week dropped nearly 73 points to 56.4, while the average daily solar flux declined nearly 47 points to 110.7. The average geomagnetic indices were up about 50 percent, but it was still very quiet.
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  • latest123012.jpg

    12/30/2012 | The K7RA Solar Update

    The average daily solar flux was down this week about 4 points to 113.4, while the average daily sunspot numbers were down 6.7 points to 65.4. The geomagnetic indices were very low and stable, which should please 160 meter operators who are also enjoying
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  • latest112912

    11/30/2012 | The K7RA Solar Update

    The average daily sunspot number for the week was down nearly 38 percent to 78.9, compared to last week’s average of 126.9. The average daily solar flux dropped nearly 13 percent, to 121 from 138.9.
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