Amateur Radio Callsign: K3ZRK
|   | K3ZRK | 
| Demchyk, John R Bethlehem, PA (United States) | |
| License Status | Active | 
|---|---|
| Operator Class | Amateur Extra | 
| Name | Demchyk, John R | 
| Granted | 2024-03-21 | 
| Expires | 2034-04-05 | 
| Address | 
 
                 
                