K4JAK
Unknown1x3Zone 4
License HolderThornburg, Jack A
License ClassAmateur Extra
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License RenewedJan 30, 2019
- License ModifiedJul 1, 2010
- License IssuedMar 27, 2009
- Vanity Callsign GrantedMar 27, 2009
- License ExpiredFeb 5, 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.