K4ZI
Unknown1x2Zone 4
License HolderZimmerman, John H
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
Requires Amateur Extra license or higher to apply for this callsign format (1x2).
License History
- License RenewedAug 31, 2016
- Administrative Update AppliedApr 25, 2013
- License RenewedSep 8, 2006
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.