| Acronym | Meaning |
| TOS | TIROS Operational Satellite |
| DXS | Diffuse X-ray Spectrometer |
| CPC | Climate Prediction Center (NWS Center) |
| AERI | Atmospheric Emitted Radiance Interferometer |
| HIRES | HIgh RESolution |
| DORIS | Doppler Orbitography And Radiopositioning Integrated By Satellite (EOS) |
| IMG | Interferometric Monitor For Greenhouse Gases |
| CIMSS | Cooperative Institute For Meteorological Satellite Studies |
| MCIDAS | Man Computer Interactive Data Access System |
| EDC | EROS Data Center |