KE9EFJ
Unknown2x3Zone 9
License HolderYoo, Seong Yup
License ClassTechnician
Min. Class RequiredTechnician
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- System-Generated GrantNov 26, 2025
- License IssuedNov 26, 2025
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.