K0STH
Unknown1x3Zone 10
License HolderCudnik, Christian W
License ClassAmateur Extra
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- Administrative Update AppliedSep 17, 2025
- License RenewedJan 3, 2025
- Administrative Update AppliedJan 3, 2025
- Administrative Update AppliedJun 7, 2023
- Administrative Update AppliedJul 11, 2015
- Administrative Update AppliedJul 11, 2015
- License IssuedMar 10, 2015
- Vanity Callsign GrantedMar 10, 2015
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.