KN4PUO
Unknown2x3Zone 4
License HolderRalston, Randall B
License ClassTechnician
Min. Class RequiredTechnician
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ModifiedMar 23, 2026
- License ModifiedDec 7, 2020
- Administrative Update AppliedNov 11, 2020
- System-Generated GrantOct 22, 2018
- License IssuedOct 22, 2018
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.