| Acronym | Meaning |
| ESOC | European Satellite Operations Center |
| VAS | VISSR Atmospheric Sounder (launch |
| MSL | Mean Sea Level |
| HZ | Hertz |
| LAWS | Laser Atmospheric Wind Sounder (EOS) |
| JPL | Jet Propulsion Laboratory |
| LIDAR | LIght Detection And Ranging |
| TOVS | TIROS Operational Vertical Sounder |
| AOT | Aerosol Optical Thickness |
| AVIRIS | Airborne Visible InfraRed Imaging Spectrometer (JPL) |