KM4OPT
Expired2x3Zone 4
License HolderYi, Yunhui
License ClassAmateur Extra
Min. Class RequiredTechnician
Grant DateNov 4, 2015
Expiration DateNov 4, 2025
Available for ApplicationsNov 5, 2027
Available Nov 5, 2027 (508 days remaining)
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- Administrative Update AppliedNov 10, 2015
- License ModifiedNov 10, 2015
- System-Generated GrantNov 4, 2015
- License IssuedNov 4, 2015
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.