AB4U
Unknown2x1Zone 4
License HolderCOOK JR, RICHARD F
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
Requires Amateur Extra license or higher to apply for this callsign format (2x1).
License History
- Administrative Update AppliedApr 29, 2026
- Administrative Update AppliedAug 26, 2025
- Administrative Update AppliedAug 26, 2025
- Administrative Update AppliedMay 22, 2019
- Vanity Callsign GrantedNov 14, 2018
- License IssuedNov 14, 2018
- Internal Correction AppliedSep 25, 2018
- Internal Correction AppliedSep 25, 2018
- License RenewedJul 22, 2014
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.