| Acronym | Meaning |
| HST | Hubble Space Telescope |
| MISR | Multi-angle Imaging Spectro-Radiometer (EOS) |
| NWS | National Weather Service (NOAA) |
| UV | UltraViolet |
| MSL | Mean Sea Level |
| EOSDIS | Earth Observing System Data And Information System |
| KB/S | Kilobits Per Second |
| HIRS | High-resolution Infrared Radiation Sounder |
| MHZ | MegaHertz |
| STEP | Satellite Technology Education Program (WSGC) |