| Navaid Facility ID: | IJX |
| Official Navaid Facility ID: | IJX |
| Navaid Facility Type: | DME |
| Navaid Name: | Jacksonville |
| City: | JACKSONVILLE |
| State: | ILLINOIS |
| FAA Region: | |
| Latitude: | 39-46-35.476N (39.7765) |
| Longitude: | 090-14-18.979W (-90.2386) |
| Lat/Long Survey Accuracy: | 1 second or better |
| Owner: | FEDERAL AVIATION ADMIN |
| Operator: | FEDERAL AVIATION ADMIN |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | T-DME |
| Hours of Operation: | 24 |
| Magnetic Variance: | 2 W as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | ZKC (KANSAS CITY) |
| ARTCC Low Altitude ID (Name): | ZKC (KANSAS CITY) |