K4SDO
Unknown1x3Zone 4
License HolderO DONNELL, STEVEN D
License ClassAmateur Extra
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License RenewedOct 16, 2024
- License RenewedAug 15, 2014
- License IssuedNov 10, 2004
- Vanity Callsign GrantedNov 10, 2004
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.