KN4MUM
Unknown2x3Zone 4
License HolderPuzyrewicz, Bartosz
License ClassTechnician
Min. Class RequiredTechnician
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ModifiedFeb 9, 2026
- System-Generated GrantJun 4, 2018
- License IssuedJun 4, 2018
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.