KO4RYU
Unknown2x3Zone 4
License HolderSeeman, Paul D
License ClassTechnician
Min. Class RequiredTechnician
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- Administrative Update AppliedFeb 7, 2026
- License ModifiedApr 9, 2024
- License ModifiedApr 24, 2023
- System-Generated GrantJul 19, 2021
- License IssuedJul 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.