Amateur Radio Callsign: KA8K
|   | KA8K | 
| HOPPER, DAVID B McMILLAN, MI (United States) | |
| License Status | Active | 
|---|---|
| Operator Class | Amateur Extra | 
| Name | HOPPER, DAVID B | 
| Granted | 2020-04-15 | 
| Expires | 2030-07-07 | 
| Address | 
 
                 
                