KJ4UMB
Active2x3Zone 4
License HolderMACK JR, WILLIAM L
License ClassGeneral
Min. Class RequiredTechnician
Grant DateFeb 25, 2020
Expiration DateApr 22, 2030
License History
- License RenewedFeb 25, 2020
- License ModifiedAug 4, 2010
- System-Generated GrantApr 22, 2010
- License IssuedApr 22, 2010
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.