K4SBW
Unknown1x3Zone 4
License HolderWalkup, Samuel B
License ClassTechnician
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License RenewedJan 22, 2026
- License IssuedMar 5, 2016
- Vanity Callsign GrantedMar 5, 2016
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.