Amateur Radio Callsign: KV4QJ
|   | KV4QJ | 
| Vlasak, Mark C Piperton, TN (United States) | |
| License Status | Active | 
|---|---|
| Operator Class | Amateur Extra | 
| Name | Vlasak, Mark C | 
| Granted | 2023-11-18 | 
| Expires | 2033-11-18 | 
| Address | 
 
                 
                