KR4DSI
Cancelled2x3Zone 4
License HolderMartens, Mark D
License ClassTechnician
Min. Class RequiredTechnician
Grant DateMay 6, 2025
Cancellation DateJun 21, 2025
Available for ApplicationsJun 22, 2027
Available Jun 22, 2027 (374 days remaining)
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledJun 21, 2025
- System-Generated GrantMay 6, 2025
- License IssuedMay 6, 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.