KI4SX
Unknown2x2Zone 4
License HolderCOOK, JERRY W
License ClassAdvanced
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (2x2).
License History
- Administrative Update AppliedFeb 13, 2026
- License RenewedFeb 11, 2026
- License ModifiedMar 15, 2017
- Vanity Callsign GrantedMar 1, 2016
- License IssuedMar 1, 2016
- License CanceledFeb 27, 2010
- License RenewedFeb 18, 2009
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.