Callsign: KO4RIY Class: Technician Name: Vaughan, Michael H Address: 5079 A Muller Ct City: Columbia State: SC Zipcode: 29206 Status: Canceled Grant Date: 06/21/2021 Expires: 06/21/2031 Uls: FCC Info
Ham call sign KO4RIY in Columbia, SC
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