Amateur Radio Callsign: K9DUI
                             
                         | 
                        
                            K9DUI | 
                    
| 
                            Zittlow, David M
                             Fond du Lac, WI (United States)  | 
                    |
| License Status | Active | 
|---|---|
| Operator Class | Technician | 
| Name | Zittlow, David M | 
| Granted | 2023-11-02 | 
| Expires | 2033-11-30 | 
| Address |