| Acronym | Meaning |
| ECMWF | European Centre For Medium-range Weather Forecasts |
| K | Kilo |
| ESE | Earth Science Enterprise (NASA) |
| SWAMP | Science Working Group For The AM Platform (EOS) |
| NWS | National Weather Service (NOAA) |
| HST | Hubble Space Telescope |
| LAWS | Laser Atmospheric Wind Sounder (EOS) |
| WUPPE | Wisconsin Ultraviolet PhotoPolarimeter Experiment |
| BIT | Binary Digit |
| EROS | Earth Resources Observing System |