W1DIO
Unknown1x3Zone 1
License HolderCHUNG, WING P
License ClassGeneral
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- Administrative Update AppliedFeb 18, 2026
- Administrative Update AppliedNov 20, 2025
- Administrative Update AppliedJun 4, 2021
- Administrative Update AppliedJun 1, 2021
- Administrative Update AppliedApr 7, 2021
- Administrative Update AppliedApr 6, 2021
- Administrative Update AppliedMay 7, 2019
- Administrative Update AppliedApr 15, 2019
- License RenewedApr 15, 2019
- Administrative Update AppliedJul 27, 2015
- Administrative Update AppliedJul 22, 2015
- License RenewedMay 19, 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.