Amateur Radio Callsign: KB9OFK
|   | KB9OFK | 
| Cassellius, Mark A Onalaska, WI (United States) | |
| License Status | Active | 
|---|---|
| Operator Class | General | 
| Name | Cassellius, Mark A | 
| Granted | 2016-07-19 | 
| Expires | 2026-08-06 | 
| Address | 
 
                 
                