Amateur Radio Callsign: KM4LSO
                             
                         | 
                        
                            KM4LSO | 
                    
| 
                            Joy, David H
                             Oak Ridge, TN (United States)  | 
                    |
| License Status | Active | 
|---|---|
| Operator Class | Technician | 
| Name | Joy, David H | 
| Granted | 2015-07-13 | 
| Expires | 2025-07-13 | 
| Address |