| Acronym | Meaning |
| AU | Astronomical Unit |
| APP | AVHRR Polar Pathfinder |
| HRIR | High Resolution Infrared Radiometer |
| C | Centigrade |
| SAFIRE | Spectroscopy Of The Atmosphere Using Far InfraRed Emission |
| TMR | TOPEX Microwave Radiometer (EOS) |
| ABBA | Automated Biomass Burning Algorithm |
| CIMSS | Cooperative Institute For Meteorological Satellite Studies |
| EM | ElectroMagnetic |
| ERBS | Earth Radiation Budget Satellite |