K4SJC
Unknown1x3Zone 4
License HolderGRINER, CLAUDE L
License ClassAmateur Extra
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License RenewedSep 27, 2025
- Administrative Update AppliedNov 23, 2017
- License IssuedDec 8, 2015
- Vanity Callsign GrantedDec 8, 2015
- License ExpiredApr 21, 2015
- License RenewedMar 1, 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.