KM4JB
Active2x2Zone 4
License HolderBoulware Jr, John M
License ClassAmateur Extra
Min. Class RequiredGeneral
Grant DateAug 29, 2025
Expiration DateAug 29, 2035
License History
- Vanity Callsign GrantedAug 29, 2025
- License IssuedAug 29, 2025
- License CanceledJan 28, 2022
- Administrative Update AppliedApr 22, 2017
- Vanity Callsign GrantedApr 18, 2017
- License IssuedApr 18, 2017
- License CanceledFeb 5, 2011
- License RenewedDec 21, 2010
- License RenewedJan 5, 2001
- License ModifiedMay 11, 2000
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.