Amateur Radio Callsign: KF4IJS
|   | KF4IJS | 
| WARREN, JOEL R SAN JOSE, CA (United States) | |
| License Status | Active | 
|---|---|
| Operator Class | Technician | 
| Name | WARREN, JOEL R | 
| Granted | 2016-05-12 | 
| Expires | 2026-05-12 | 
| Address | 
 
                 
                