| Acronym | Meaning |
| HIS | High-resolution Interferometer Sounder |
| ESE | Earth Science Enterprise (NASA) |
| NCEP | National Centers For Environmental Prediction (form. NMC; NWS Center) |
| XBSS | X-ray Background Survey Spectrometer |
| AOS | (Department Of) Atmospheric And Oceanic Sciences |
| UV | UltraViolet |
| TES | Tropospheric Emission Spectrometer (EOS) |
| COMET | Cooperative Program For Operational Meteorology Education And Training (NOAA And UCAR) |
| V | Volts |
| CERES | Clouds And The Earth's Radiant Energy System (EOS) |