Amateur Radio Callsign: K3HOI
                             
                         | 
                        
                            K3HOI | 
                    
| 
                            Hengen III, John G
                             Jessup, MD (United States)  | 
                    |
| License Status | Active | 
|---|---|
| Operator Class | Amateur Extra | 
| Name | Hengen III, John G | 
| Granted | 2017-03-02 | 
| Expires | 2027-04-16 | 
| Address |