Amateur Radio Callsign: W1HE
|   | W1HE | 
| Kim, Hyun-Soo Monrovia, CA (United States) | |
| License Status | Active | 
|---|---|
| Operator Class | Amateur Extra | 
| Name | Kim, Hyun-Soo | 
| Granted | 2018-08-28 | 
| Expires | 2028-11-25 | 
| Address | 
 
                 
                