KR4UO
Unknown2x2Zone 4
License HolderSABISTON, JOHN F
License ClassAdvanced
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (2x2).
License History
- License RenewedJun 27, 2024
- License RenewedJan 24, 2014
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.