AJ4BO
Unknown2x2Zone 4
License HolderNIELSEN, JOHN E
License ClassAmateur Extra
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (2x2).
License History
- License ExpiredJun 10, 2025
- License RenewedNov 6, 2013
- License IssuedAug 24, 2007
- System-Generated GrantAug 24, 2007
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.