Clayton Coleman W5PFG giving his presentation "W5PFG/P: Observations from a Roving Operator" during the 2013 AMSAT Space Symposium in Houston, Texas, on Friday 1 November 2013
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Clayton Coleman W5PFG giving his presentation "W5PFG/P: Observations from a Roving Operator" during the 2013 AMSAT Space Symposium in Houston, Texas, on Friday 1 November 2013