Callsign: KK4QNP Class: Technician Name: RITTER, MATTHEW B Address: 606 UNIVERSITY DR City: ROCK HILL State: SC Zipcode: 29730 Status: Active Grant Date: 04/23/2013 Expires: 04/23/2023 Uls: FCC Info
Ham call sign KK4QNP in ROCK HILL, SC
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