| Acronym | Meaning |
| BIT | Binary Digit |
| NOAA | National Oceanic And Atmospheric Administration |
| DORIS | Doppler Orbitography And Radiopositioning Integrated By Satellite (EOS) |
| HIRDLS | HIgh-Resolution Dynamics Limb Sounder (EOS) |
| CONUS | CONtinental (or CONterminus) United States |
| S-HIS | Scanning High Resolution Interferometer Sounder |
| CSBT | Clear-Sky Brightness Temperature |
| FSL | Forecast Systems Laboratory (a NOAA ERL) |
| TES | Tropospheric Emission Spectrometer (EOS) |
| VISIT | Virtual Institute For Satellite Integration Training (NWS) |