KF4CSU
Unknown2x3Zone 4
License HolderTUBBS, THOMAS D
License ClassTechnician
Min. Class RequiredTechnician
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License RenewedAug 26, 2025
- License RenewedMay 29, 2015
- Administrative Update AppliedNov 27, 2013
- License RenewedMay 25, 2005
- Tax ID (TIN) AddedMar 4, 2005
- License ModifiedMar 4, 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.