AB4Z
Unknown2x1Zone 4
License HolderUNDERWOOD JR, RONALD G
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
Requires Amateur Extra license or higher to apply for this callsign format (2x1).
License History
- License RenewedMay 11, 2024
- License RenewedJun 18, 2014
- Tax ID (TIN) AddedJan 26, 2005
- License RenewedJan 26, 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.