KU4X
Unknown2x1Zone 4
License HolderKARRIKER, FRANK W
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
Requires Amateur Extra license or higher to apply for this callsign format (2x1).
License History
- License CanceledMar 11, 2025
- Administrative Update AppliedSep 9, 2023
- Administrative Update AppliedNov 5, 2021
- Vanity Callsign GrantedNov 26, 2016
- License IssuedNov 26, 2016
- License ExpiredNov 5, 2016
- Tax ID (TIN) AddedAug 13, 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.