Amateur Radio Callsign: N4UVH
|   | N4UVH | 
| HAPPEL, DOUGLAS K LOUISVILLE, KY (United States) | |
| License Status | Active | 
|---|---|
| Operator Class | Amateur Extra | 
| Name | HAPPEL, DOUGLAS K | 
| Granted | 2021-03-25 | 
| Expires | 2031-05-24 | 
| Address | 
 
                 
                