K4HSM
Unknown1x3Zone 4
License HolderWilliams, Gregory S
License ClassAmateur Extra
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License RenewedJun 20, 2019
- License RenewedJul 11, 2009
- License ModifiedApr 18, 2000
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.