KO4SIR
Unknown2x3Zone 4
License HolderVillanueva-Rivera, Luis J
License ClassGeneral
Min. Class RequiredTechnician
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledAug 23, 2021
- Administrative Update AppliedAug 3, 2021
- System-Generated GrantAug 2, 2021
- License IssuedAug 2, 2021
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.