KQ4OOS
Unknown2x3Zone 4
License HolderSHELTON, DUANE L
License ClassTechnician
Min. Class RequiredTechnician
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ModifiedFeb 4, 2026
- System-Generated GrantFeb 9, 2024
- License IssuedFeb 9, 2024
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.