KJ4DUB
Unknown2x3Zone 4
License HolderMattison, Michael L
License ClassTechnician
Min. Class RequiredTechnician
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License RenewedFeb 6, 2018
- License ModifiedMar 4, 2011
- System-Generated GrantApr 29, 2008
- License IssuedApr 29, 2008
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.