| Navaid Facility ID: | MW |
| Official Navaid Facility ID: | MW |
| Navaid Facility Type: | NDB |
| Navaid Name: | Jonny |
| City: | MARION |
| State: | ILLINOIS |
| FAA Region: | |
| Latitude: | 37-50-20.700N (37.8391) |
| Longitude: | 088-58-14.947W (-88.9708) |
| Lat/Long Survey Accuracy: | |
| Owner: | FEDERAL AVIATION ADMINISTRATION |
| Operator: | FEDERAL AVIATION ADMINISTRATION |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | LOMW |
| Hours of Operation: | 24 |
| Magnetic Variance: | 2.8 W as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | () |
| ARTCC Low Altitude ID (Name): | () |
| Navaid ID | Navaid Facility Type | Remarks |
|---|---|---|
| MW | NDB | 3RD PARTY SURVEY. |
| Navaid ID | Navaid Facility Type | Magnetic Variance | Airspace Fixes |
|---|---|---|---|
| MW | NDB | 2.7 W | ONIDA OH - K5 |