Amateur Radio Callsign: KJ4ZEF
|
KJ4ZEF |
|
UMBERGER JR, CHARLES K
CONCORD, NC (United States) |
|
| License Status | Active |
|---|---|
| Operator Class | General |
| Name | UMBERGER JR, CHARLES K |
| Granted | 2020-09-21 |
| Expires | 2030-11-15 |
| Address |