Amateur Radio Callsign: KD8HTC
|   | KD8HTC | 
| O BRIEN JR, JOHN R williamson, WV (United States) | |
| License Status | Active | 
|---|---|
| Operator Class | Amateur Extra | 
| Name | O BRIEN JR, JOHN R | 
| Granted | 2017-11-22 | 
| Expires | 2028-02-14 | 
| Address | 
 
                 
                