| Acronym | Meaning |
| NCDC | National Climatic Data Center |
| ERS | ESA Remote Sensing Satellite |
| KM | Kilometer |
| IMG | Interferometric Monitor For Greenhouse Gases |
| CCR | Center For Climatic Research (IES) |
| EUMETSAT | EUropean Organization For The Exploitation Of METeorological SATellites |
| ABI | Advanced Baseline Imager |
| JPL | Jet Propulsion Laboratory |
| RAOB | RAdiosonde OBservation |
| ITOS | Improved Television And Infrared Observation Satellite (1970s) |