Callsign: KO4YNO Class: Technician Name: Machamer III, Richard F Address: 44661 Endicott Drive, Apt. 121 City: Ashburn State: VA Zipcode: 20147 Status: Active Grant Date: 03/14/2022 Expires: 03/14/2032 Uls: FCC Info
Ham call sign KO4YNO in Ashburn, VA
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