| Navaid Facility ID: | DU |
| Official Navaid Facility ID: | DU |
| Navaid Facility Type: | NDB |
| Navaid Name: | Calin |
| City: | MARSHFIELD |
| State: | WISCONSIN |
| FAA Region: | |
| Latitude: | 44-34-07.436N (44.5687) |
| Longitude: | 090-09-02.995W (-90.1508) |
| Lat/Long Survey Accuracy: | |
| Owner: | STATE |
| Operator: | STATE |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | LOMW |
| Hours of Operation: | 24 |
| Magnetic Variance: | 2.5 W as of 1/23/2024 |
| ARTCC High Altitude ID (Name): | () |
| ARTCC Low Altitude ID (Name): | () |