KO4SY
Unknown2x2Zone 4
License HolderMize, John T
License ClassAmateur Extra
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (2x2).
License History
- License RenewedJun 30, 2023
- Administrative Update AppliedDec 4, 2020
- License RenewedJul 18, 2013
- License RenewedJul 3, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
No competing applications detected. Monitor the FCC ULS application search to verify before filing.