K4SDJ
Unknown1x3Zone 4
License HolderJonas, Stephen D
License ClassAmateur Extra
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License RenewedFeb 17, 2021
- License RenewedFeb 15, 2011
- Administrative Update AppliedJan 22, 2011
- License ModifiedMay 14, 2002
- License IssuedMay 11, 2001
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.