KF4ERO
Unknown2x3Zone 4
License HolderROOT, CLIFFORD A
License ClassTechnician
Min. Class RequiredTechnician
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- Administrative Update AppliedJan 20, 2026
- License RenewedJan 16, 2026
- License RenewedOct 23, 2015
- Tax ID (TIN) AddedAug 24, 2005
- License RenewedAug 24, 2005
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.