K4MSK
Unknown1x3Zone 4
License HolderWILLIAMS, JOHN W
License ClassAmateur Extra
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License RenewedJun 14, 2017
- License RenewedJul 2, 2007
- License ModifiedJul 16, 2003
- License ModifiedJun 4, 2003
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.