Amateur Radio Callsign: AB1OF
|   | AB1OF | 
| Holtappels, Bert Caliente, CA (United States) | |
| License Status | Active | 
|---|---|
| Operator Class | Amateur Extra | 
| Name | Holtappels, Bert | 
| Granted | 2021-05-28 | 
| Expires | 2031-05-28 | 
| Address | 
 
                 
                