Amateur Radio Callsign: KR4ENS
|   | KR4ENS | 
| Derr, Isaac Chapel Hill, NC (United States) | |
| License Status | Active | 
|---|---|
| Operator Class | Technician | 
| Name | Derr, Isaac | 
| Granted | 2025-06-11 | 
| Expires | 2035-06-11 | 
| Address | 
 
                 
                