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12/14/2012 | The K7RA Solar Update
The average daily sunspot numbers fell 13.5 points this week, from 61.1 to 47.6, while the average daily solar flux was about the same this week as last, rising 1.1 points to 102.7.
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09/07/2012 | Surfin’: Got E-s?This week, Surfin’ literally takes a look at Sporadic E propagation on YouTube.
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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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02/10/2012 | The K7RA Solar Update
Solar activity was down again this week -- this is the third week in a row with sunspot numbers lower than the week prior. On January 20, we reported an average daily sunspot number of 116.9 for January 12-18, 98.7 the next week, followed by 62 the week o
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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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08/19/2011 | Surfin’: How’s TV DX?This week, Surfin’ recalls the lazy, hazy, crazy days of summertime TV DX.
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08/12/2011 | The K7RA Solar Update
The average daily sunspot numbers declined more than 24 points to 75.1 this week, while the average daily solar flux was down more than 12 points to 104.3. We saw solar flares recently, with a substantial geomagnetic upset on Friday and Saturday -- August
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