| Acronym | Meaning |
| AO&SS | Atmospheric |
| OSSE | Office Of Space Science Education (SSEC) |
| IMG | Interferometric Monitor For Greenhouse Gases |
| MSG | Meteosat Second Generation |
| LAKE-ICE | Lake-Induced Convection Experiment |
| HIRS | High-resolution Infrared Radiation Sounder |
| DXS | Diffuse X-ray Spectrometer |
| HZ | Hertz |
| NOAA | National Oceanic And Atmospheric Administration |
| TMR | TOPEX Microwave Radiometer (EOS) |