KF4J
Unknown2x1Zone 4
License HolderFillebrown, Arthur R
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
Requires Amateur Extra license or higher to apply for this callsign format (2x1).
License History
- Administrative Update AppliedMar 3, 2026
- Administrative Update AppliedJul 6, 2023
- Administrative Update AppliedJul 12, 2022
- Vanity Callsign GrantedOct 2, 2018
- License IssuedOct 2, 2018
- License ExpiredSep 12, 2018
- Tax ID (TIN) AddedJun 21, 2006
- License RenewedJun 21, 2006
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.