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10/16/2015 | The K7RA Solar Update
On October 15 at 2345 UTC, the Australian Space Forecast Centre issued a geomagnetic disturbance warning
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07/25/2014 | The K7RA Solar Update
The K7RA Solar Update for July 25, 2014.
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10/29/2010 | The K7RA Solar Update
The daily sunspot number went all the way to 74 this week (on Tuesday, October 26), but the average sunspot number was down more than 5 points from the previous week, to 50.3. Sunspot numbers for October 21-27 were 34, 34, 43, 57, 57, 74 and 53, with a me
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Feature
05/28/2010 | Surfin’: Online HF Propagation ApplicationThis week, Surfin’ kicks the tires on a cool new online HF propagation tool.
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Feature
09/12/2008 | Surfin': Old and New, But Nothing BlueLike a bride, this week's Surfin' features some new things and some old things, but no borrowed blue things.
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