KO4ZMS
Unknown2x3Zone 4
License HolderRetzke, John L
License ClassGeneral
Min. Class RequiredTechnician
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- System-Generated GrantApr 11, 2022
- License IssuedApr 11, 2022
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.