KO4UDR
Unknown2x3Zone 4
License HolderArduino, Frank J
License ClassTechnician
Min. Class RequiredTechnician
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- System-Generated GrantOct 19, 2021
- License IssuedOct 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.