KF4OSO
Unknown2x3Zone 7
License HolderLIBBY, DANA S
License ClassTechnician
Min. Class RequiredTechnician
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- Administrative Update AppliedJan 20, 2021
- License RenewedAug 26, 2017
- License RenewedNov 28, 2006
- Administrative Update AppliedMay 24, 2005
- FRN Association Letter SentMay 23, 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.