| Acronym | Meaning |
| ACRIM | Active Cavity Radiometer Irradiance Monitor (EOS) |
| S-HIS | Scanning High Resolution Interferometer Sounder |
| EOSDIS | Earth Observing System Data And Information System |
| TIROS | Television InfraRed Observation Satellite (POES) |
| VISIT | Virtual Institute For Satellite Integration Training (NWS) |
| IMG | Interferometric Monitor For Greenhouse Gases |
| LAKE-ICE | Lake-Induced Convection Experiment |
| DXS | Diffuse X-ray Spectrometer |
| OSO | Orbiting Solar Observatory |
| KM | Kilometer |