Amateur Radio Callsign: KN4ZNJ
                             
                         | 
                        
                            KN4ZNJ | 
                    
| 
                            Clark, John B
                             Memphis, TN (United States)  | 
                    |
| License Status | Active | 
|---|---|
| Operator Class | Technician | 
| Name | Clark, John B | 
| Granted | 2019-11-01 | 
| Expires | 2029-11-01 | 
| Address |