Amateur Radio Callsign: KO4CHZ
|   | KO4CHZ | 
| Hallare, Ferdinand V Newport News, VA (United States) | |
| License Status | Active | 
|---|---|
| Operator Class | Technician | 
| Name | Hallare, Ferdinand V | 
| Granted | 2020-03-03 | 
| Expires | 2030-03-03 | 
| Address | 
 
                 
                