KR4HEI
Cancelled2x3Zone 4
License HolderRothlisberger, Matthew J
License ClassAmateur Extra
Min. Class RequiredTechnician
Grant DateNov 21, 2025
Cancellation DateDec 22, 2025
Available for ApplicationsDec 23, 2027
Available Dec 23, 2027 (558 days remaining)
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledDec 22, 2025
- License ModifiedDec 5, 2025
- System-Generated GrantNov 21, 2025
- License IssuedNov 21, 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.