KO4KSZ
Unknown2x3Zone 4
License HolderForester, Duane A
License ClassTechnician
Min. Class RequiredTechnician
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledMay 20, 2025
- License ModifiedMay 5, 2025
- Administrative Update AppliedNov 16, 2022
- License ModifiedFeb 8, 2021
- System-Generated GrantJan 11, 2021
- License IssuedJan 11, 2021
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.