K4EFZ
Unknown1x3Zone 4
License HolderEsbensen, Christopher J
License ClassAmateur Extra
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License RenewedSep 10, 2014
- Tax ID (TIN) AddedAug 20, 2004
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.