K4THR
Unknown1x3Zone 4
License HolderKather, Mark H
License ClassGeneral
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ModifiedMar 14, 2025
- License IssuedJun 11, 2022
- Vanity Callsign GrantedJun 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.