Amateur Radio Callsign: W3ZEF
                             
                         | 
                        
                            W3ZEF | 
                    
| 
                            Melpolder, Donald J
                             Erie, PA (United States)  | 
                    |
| License Status | Active | 
|---|---|
| Operator Class | Amateur Extra | 
| Name | Melpolder, Donald J | 
| Granted | 2021-03-01 | 
| Expires | 2031-05-14 | 
| Address |