| Acronym | Meaning |
| WSGC | Wisconsin Space Grant Consortium |
| KSC | Kennedy Space Center |
| EOSDIS | Earth Observing System Data And Information System |
| NESDIS | National Environmental Satellite |
| NCDC | National Climatic Data Center |
| MB OR MB | Megabytes (or Megabits) |
| AMRIR | Advanced Medium Resolution Infrared Radiometer |
| BIT | Binary Digit |
| AU | Astronomical Unit |
| IRIS | Infrared Radiation Interferometer Spectrometer (1960s) |