| Acronym | Meaning |
| SCAMS | Scanning Microwave Spectrometer |
| HCN | Historical Climatology Network |
| RDCC | Real-time Display And Coordination Center |
| MSS | Multi-spectral Scanner |
| MLM | Time-varying Horizontal Model Of The Lavoice Type |
| UIL | Upper Interval Limit |
| IUGG | International Union Of Geodesy And Geophysics |
| SIR | Shuttle Imaging Radar |
| USGS | United States Geological Survey |
| USDI | United States Department Of Interior |