KJ4OST
Active2x3Zone 4
License HolderCooper, Donald E
License ClassAmateur Extra
Min. Class RequiredTechnician
Grant DateAug 6, 2019
Expiration DateSep 2, 2029
License History
- License RenewedAug 6, 2019
- License ModifiedOct 11, 2011
- License ModifiedOct 11, 2011
- System-Generated GrantSep 2, 2009
- License IssuedSep 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.