AA4OS
Unknown2x2Zone 4
License HolderDUNCAN, GARY C
License ClassAmateur Extra
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (2x2).
License History
- License RenewedSep 3, 2025
- Administrative Update AppliedFeb 24, 2024
- License RenewedAug 15, 2015
- License RenewedSep 20, 2005
- FRN Association Letter SentSep 19, 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.