W4JMB
Unknown1x3Zone 4
License HolderButterworth, Joseph M
License ClassGeneral
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- Administrative Update AppliedFeb 6, 2026
- License RenewedMar 10, 2023
- License IssuedMay 10, 2013
- Vanity Callsign GrantedMay 10, 2013
- License ExpiredApr 2, 2009
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.