Amateur Radio Callsign: W4GWP
|   | W4GWP | 
| Coulter, Charles S Frederick, MD (United States) | |
| License Status | Active | 
|---|---|
| Operator Class | General | 
| Name | Coulter, Charles S | 
| Granted | 2016-04-20 | 
| Expires | 2026-06-29 | 
| Address | 
 
                 
                