| Navaid Facility ID: | OSW |
| Official Navaid Facility ID: | OSW |
| Navaid Facility Type: | DME |
| Navaid Name: | Oswego |
| City: | OSWEGO |
| State: | KANSAS |
| FAA Region: | |
| Latitude: | 37-09-27.040N (37.1575) |
| Longitude: | 095-12-13.080W (-95.2036) |
| Lat/Long Survey Accuracy: | NOS |
| 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: | 1.6 E as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | ZKC (KANSAS CITY) |
| ARTCC Low Altitude ID (Name): | ZKC (KANSAS CITY) |