K4MMS
Unknown1x3Zone 4
License HolderSIMMONS, MATTHEW M
License ClassTechnician
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License CanceledSep 28, 2024
- License RenewedJan 1, 2021
- License IssuedJul 16, 2010
- Vanity Callsign GrantedJul 16, 2010
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.