K4CZB
Unknown1x3Zone 4
License HolderHELVEY, CHARLES E
License ClassGeneral
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredJan 20, 2018
- License RenewedOct 21, 2005
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.