KS4QB
Unknown2x2Zone 4
License HolderMartin, C John
License ClassAmateur Extra
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (2x2).
License History
- License ExpiredMar 31, 2026
- License RenewedJan 7, 2014
- License ModifiedMay 23, 2000
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.