KO4ZE
Unknown2x2Zone 4
License HolderHART, JOHN P
License ClassAmateur Extra
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (2x2).
License History
- License RenewedOct 4, 2021
- License RenewedOct 4, 2011
- Administrative Update AppliedSep 9, 2011
- License RenewedApr 20, 2002
- License ModifiedMay 16, 2000
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.