WB4X
Unknown2x1Zone 4
License HolderSUTPHIN, CHARLES B
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
Requires Amateur Extra license or higher to apply for this callsign format (2x1).
License History
- Administrative Update AppliedAug 7, 2025
- License RenewedJan 24, 2017
- Tax ID (TIN) AddedFeb 8, 2007
- License RenewedFeb 8, 2007
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.