K4JKH
Unknown1x3Zone 4
License HolderHelbling, John Kearns
License ClassAmateur Extra
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- Administrative Update AppliedMar 21, 2023
- License IssuedMar 28, 2017
- Vanity Callsign GrantedMar 28, 2017
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.