K4WCO
Unknown1x3Zone 4
License HolderO'STEEN JR, WILLIAM C
License ClassTechnician
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredAug 26, 2025
- License RenewedFeb 13, 2015
- License IssuedJul 25, 2003
- Vanity Callsign GrantedJul 25, 2003
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.