K4OP
Unknown1x2
License HolderMcCarthy, John L
Min. Class RequiredAmateur Extra
Requires Amateur Extra license or higher to apply for this callsign format (1x2).
License History
- License RenewedMar 7, 2023
- License RenewedJan 5, 2013
- Administrative Update AppliedJun 28, 2006
- Vanity Callsign GrantedApr 1, 2003
- License IssuedApr 1, 2003
- Internal Correction AppliedMar 14, 2003
- Internal Correction AppliedMar 14, 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.