KO4UDD
Unknown2x3Zone 4
License HolderMENDELL, Mr. DOUGLAS R
License ClassGeneral
Min. Class RequiredTechnician
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License RenewedJan 21, 2026
- License IssuedOct 19, 2021
- System-Generated GrantOct 19, 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.