KE4SJK
Unknown2x3Zone 4
License HolderMattson, Leonard D
License ClassAmateur Extra
Min. Class RequiredTechnician
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredOct 29, 2016
- Administrative Update AppliedJun 21, 2011
- License ModifiedMay 26, 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.