K4KSW
Unknown1x3Zone 4
License HolderErnissee, John A
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- Administrative Update AppliedMay 4, 2026
- License RenewedApr 9, 2026
- License RenewedApr 7, 2016
- Administrative Update AppliedJan 7, 2013
- License IssuedJun 17, 2006
- Vanity Callsign GrantedJun 17, 2006
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.