Amateur Radio Callsign: KK4UJN
                             
                         | 
                        
                            KK4UJN | 
                    
| 
                            Trotter, Frederick L
                             Knoxville, TN (United States)  | 
                    |
| License Status | Active | 
|---|---|
| Operator Class | Technician | 
| Name | Trotter, Frederick L | 
| Granted | 2024-08-06 | 
| Expires | 2034-08-06 | 
| Address |