Amateur Radio Callsign: N4AIA
                             
                         | 
                        
                            N4AIA | 
                    
| 
                            JOHNSTON, ROBERT M
                             LOUISVILLE, TN (United States)  | 
                    |
| License Status | Active | 
|---|---|
| Operator Class | Advanced | 
| Name | JOHNSTON, ROBERT M | 
| Granted | 2013-10-17 | 
| Expires | 2023-10-19 | 
| Address |