| Acronym | Meaning |
| SAGE | Stratospheric Aerosol And Gas Experiment (EOS) |
| NOAA | National Oceanic And Atmospheric Administration |
| HIRS | High-resolution Infrared Radiation Sounder |
| HSRL | High Spectral Resolution Lidar |
| APP | AVHRR Polar Pathfinder |
| TES | Tropospheric Emission Spectrometer (EOS) |
| NCDC | National Climatic Data Center |
| C | Centigrade |
| RAOB | RAdiosonde OBservation |
| NESDIS | National Environmental Satellite |