KM4FOB
Expired2x3Zone 4
License HolderCALLAHAN, MARK E
License ClassAmateur Extra
Min. Class RequiredTechnician
Grant DateNov 5, 2014
Expiration DateNov 5, 2024
Available for ApplicationsNov 6, 2026
Available Nov 6, 2026 (144 days remaining)
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- System-Generated GrantNov 5, 2014
- License IssuedNov 5, 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.