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Feature
03/15/2013 | Radio Before RadioArticle about the 1910 pamphlet "The Wireless Telephone."
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04/05/2012 | The K7RA Solar Update
Over the past week, the average daily sunspot number and solar flux values rose slightly, even though as the week progressed, each day had a lower number than the day before. The daily sunspot number began the week at a high of 100, but ended at 60. Likew
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