| Acronym | Meaning |
| AMRIR | Advanced Medium Resolution Infrared Radiometer |
| CSBT | Clear-Sky Brightness Temperature |
| VAS | VISSR Atmospheric Sounder (launch |
| GMT | Greenwich Mean Time (repl. By UTC) |
| ABI | Advanced Baseline Imager |
| ECMWF | European Centre For Medium-range Weather Forecasts |
| PIFTS | Planetary Imaging Fourier Transform Spectrometer |
| SSU | Stratospheric Sounding Unit (TOVS) |
| V | Volts |
| CONUS | CONtinental (or CONterminus) United States |