K4JJM
Unknown1x3Zone 4
License HolderMason, John J
License ClassP
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License RenewedOct 22, 2019
- License RenewedApr 25, 2009
- Administrative Update AppliedMay 3, 2004
- License ModifiedMay 7, 2001
- License ModifiedJun 3, 2000
- License ModifiedNov 9, 1999
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.