KF4RFS
Unknown2x3Zone 4
License HolderCASTRO, HECTOR F
License ClassGeneral
Min. Class RequiredTechnician
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredSep 15, 2015
- Tax ID (TIN) AddedJun 26, 2003
- License RenewedJun 26, 2003
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.