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09/13/2013 | Transatlantic Cluster Balloon Attempt Fails, Pilot Safe
Ham-cluster balloonist's attempt to cross the Atlantic fails.
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03/26/2013 | National Traffic System Developer George Hart, W1NJM (SK)
George Hart, W1NJM -- the chief developer of the National Traffic System (NTS) -- passed away Sunday, March 24. He was 99. An ARRL Charter Life Member, Hart spent more than four decades as a member of the ARRL Headquarters staff and continued to be an act
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10/14/2011 | The K7RA Solar Update
We are definitely continuing to see robust solar activity. Sunspot numbers for October 6-12 were 99, 88, 61, 71, 87, 113 and 149, with a mean of 95.4. The 10.7 cm flux was 123.9, 122, 118.4, 121, 126.4, 130.1 and 134.1, with a mean of 125.1. The estimated
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