Amateur Radio Callsign: K4RDP
|   | K4RDP | 
| Poulson, Ralph D FERNDALE, WA (United States) | |
| License Status | Active | 
|---|---|
| Operator Class | Amateur Extra | 
| Name | Poulson, Ralph D | 
| Granted | 2024-04-30 | 
| Expires | 2034-04-30 | 
| Address | 
 
                 
                