| Acronym | Meaning |
| OSO | Orbiting Solar Observatory |
| ABS | Advanced Baseline Sounder |
| AIRS | Atmospheric InfraRed Sounder (EOS) |
| BIT | Binary Digit |
| EUMETSAT | EUropean Organization For The Exploitation Of METeorological SATellites |
| WUPPE | Wisconsin Ultraviolet PhotoPolarimeter Experiment |
| HSRL | High Spectral Resolution Lidar |
| LAKE-ICE | Lake-Induced Convection Experiment |
| MSLP | MSL Pressure |
| CRIS | Cross-track Infrared Sounder |