| Acronym | Meaning |
| COMSAT | COMmunications SATellite |
| AMS | American Meteorological Society |
| GOES | Geostationary Operational Environmental Satellite |
| AOT | Aerosol Optical Thickness |
| EDC | EROS Data Center |
| ACRIM | Active Cavity Radiometer Irradiance Monitor (EOS) |
| XBSS | X-ray Background Survey Spectrometer |
| EROS | Earth Resources Observing System |
| LASER | Light Amplification By Stimulated Emission Of Radiation |
| IMAPP | International MODIS/AIRS Processing Package |