| Acronym | Meaning |
| HRIR | High Resolution Infrared Radiometer |
| EPS | European Polar Satellite |
| LIDAR | LIght Detection And Ranging |
| AOT | Aerosol Optical Thickness |
| CIMSS | Cooperative Institute For Meteorological Satellite Studies |
| DORIS | Doppler Orbitography And Radiopositioning Integrated By Satellite (EOS) |
| MAS | MODIS Airborne Simulator |
| ASPT | Advanced Satellite Products Team (NOAA/ORA) |
| ESOC | European Satellite Operations Center |
| VLF | Very Low Frequency |