| Acronym | Meaning |
| C | Centigrade |
| HIRIS | HIgh-Resolution Imaging Spectrometer (EOS) |
| KSC | Kennedy Space Center |
| STEP | Satellite Technology Education Program (WSGC) |
| ERSC | Environmental Remote Sensing Center (IES) |
| XBSS | X-ray Background Survey Spectrometer |
| FSL | Forecast Systems Laboratory (a NOAA ERL) |
| CD-ROM | Compact Disc-Read Only Memory |
| NPOESS | National Polar-orbiting Operational Environmental Satellite System |
| HIRES | HIgh RESolution |