| Acronym | Meaning |
 | CRIS | Cross-track Infrared Sounder |
 | MSL | Mean Sea Level |
 | WUPPE | Wisconsin Ultraviolet PhotoPolarimeter Experiment |
 | CH4 | Methane |
 | NOAASIS | NOAA Satellite Information System |
 | UFO | Unidentified Flying Object |
 | BIBEX | Biomass Burning Experiment |
 | ESSP | Earth System Science Pathfinder Mission (ESSP) |
 | PIFTS | Planetary Imaging Fourier Transform Spectrometer |
 | MISR | Multi-angle Imaging Spectro-Radiometer (EOS) |