K3MHZ
Unknown1x3Zone 3
License HolderCLARK, WILLIAM K
License ClassAmateur Extra
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- Administrative Update AppliedMar 17, 2026
- Vanity Callsign GrantedFeb 4, 2020
- License IssuedFeb 4, 2020
- License CanceledDec 5, 2017
- Vanity Callsign GrantedSep 8, 2017
- License IssuedSep 8, 2017
- Internal Correction AppliedJul 19, 2017
- Internal Correction AppliedJul 19, 2017
- Tax ID (TIN) AddedApr 8, 2009
- License RenewedApr 8, 2009
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.