K4SOF
Unknown1x3Zone 4
License HolderEICHOLD III, SAMUEL
License ClassGeneral
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License RenewedMay 20, 2025
- Administrative Update AppliedApr 15, 2023
- Administrative Update AppliedJan 9, 2018
- License IssuedJan 6, 2015
- Vanity Callsign GrantedJan 6, 2015
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.