| Navaid Facility ID: | JWJ |
| Official Navaid Facility ID: | JWJ |
| Navaid Facility Type: | DME |
| Navaid Name: | Elmwood |
| City: | MARSHALLTOWN |
| State: | IOWA |
| FAA Region: | |
| Latitude: | 42-06-40.655N (42.1113) |
| Longitude: | 092-54-31.486W (-92.9087) |
| Lat/Long Survey Accuracy: | |
| Owner: | FEDERAL AVIATION ADMIN |
| Operator: | FEDERAL AVIATION ADMIN |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | L-DME |
| Hours of Operation: | 24 |
| Magnetic Variance: | 0.2 W as of 1/23/2024 |
| ARTCC High Altitude ID (Name): | ZAU (CHICAGO) |
| ARTCC Low Altitude ID (Name): | ZAU (CHICAGO) |