KM4EFR
Expired2x3Zone 4
License HolderRIDDLE JR, CHARLES T
License ClassTechnician
Min. Class RequiredTechnician
Grant DateSep 15, 2014
Expiration DateSep 15, 2024
Available for ApplicationsSep 16, 2026
Available Sep 16, 2026 (93 days remaining)
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- System-Generated GrantSep 15, 2014
- License IssuedSep 15, 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.