K4BOS
Unknown1x3Zone 4
License HolderO Sullivan, Brian P
License ClassGeneral
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- Vanity Callsign GrantedJan 11, 2025
- License IssuedJan 11, 2025
- License ExpiredAug 20, 2024
- License RenewedMay 24, 2012
- License ModifiedSep 9, 2002
- License IssuedAug 17, 2002
- Vanity Callsign GrantedAug 17, 2002
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.