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12/13/2013 | The K7RA Solar Update
Geomagnetc activity may rise in the coming days
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01/06/2012 | The K7RA Solar Update
We’re continuing to see good conditions, although sunspot activity has declined a bit. The average daily sunspot numbers for December 29-January 4 declined nearly 20 points (when compared to the previous seven days) to 88.1; this is the lowest reported we
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06/04/2010 | The K7RA Solar Update
The average daily sunspot numbers were up nine points to 25.3 for this week, compared to the May 20-26 period; the average daily planetary A index rose nearly 10 points to 14.3, and this rise in geomagnetic instability came with the increase in solar acti
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