KS4XU
Unknown2x2
License HolderFESPERMAN, CHARLES D
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (2x2).
License History
- License RenewedMar 15, 2017
- License RenewedAug 30, 2006
- Administrative Update AppliedJan 11, 2005
- Administrative Update AppliedAug 19, 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.