KO4ZAA
Unknown2x3Zone 4
License HolderWinschel, Christopher J
License ClassTechnician
Min. Class RequiredTechnician
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ModifiedMar 27, 2026
- License ModifiedFeb 20, 2026
- System-Generated GrantMar 25, 2022
- License IssuedMar 25, 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.