K4AIU
Unknown1x3Zone 4
License HolderCoulter, Douglas E
License ClassGeneral
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License RenewedJul 20, 2023
- Administrative Update AppliedMay 4, 2022
- Administrative Update AppliedJul 8, 2021
- Administrative Update AppliedJul 8, 2021
- Administrative Update AppliedDec 24, 2020
- License ModifiedApr 28, 2017
- License ModifiedAug 26, 2013
- License IssuedMay 24, 2013
- Vanity Callsign GrantedMay 24, 2013
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.