| Acronym | Meaning |
| C | Centigrade |
| TOVS | TIROS Operational Vertical Sounder |
| AMRIR | Advanced Medium Resolution Infrared Radiometer |
| ESSA | Environmental Science Services Administration (preceded NOAA) |
| XBSS | X-ray Background Survey Spectrometer |
| V | Volts |
| COMET | Cooperative Program For Operational Meteorology Education And Training (NOAA And UCAR) |
| CPC | Climate Prediction Center (NWS Center) |
| DORIS | Doppler Orbitography And Radiopositioning Integrated By Satellite (EOS) |
| AU | Astronomical Unit |