KS4RRF
Unknown2x3Zone 4
License HolderPalko, Leonard E
License ClassTechnician
Min. Class RequiredTechnician
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License RenewedDec 30, 2025
- License IssuedJan 1, 2016
- Vanity Callsign GrantedJan 1, 2016
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.