AA4SF
Unknown2x2Zone 4
License HolderPhelps, Robert W
License ClassAmateur Extra
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (2x2).
License History
- License CanceledSep 16, 2025
- License IssuedFeb 28, 2025
- Vanity Callsign GrantedFeb 28, 2025
- License ExpiredNov 21, 2020
- License RenewedSep 3, 2008
- Administrative Update AppliedJan 17, 2008
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.