| Acronym | Meaning |
| ENSO | El Ni?o/Southern Oscillation |
| OSO | Orbiting Solar Observatory |
| SSEC | Space Science And Engineering Center |
| ABS | Advanced Baseline Sounder |
| PIFTS | Planetary Imaging Fourier Transform Spectrometer |
| AURA | Association Of Universities For Research In Astronomy |
| ITS | Interferometer Thermal Sounder (HIS) |
| MSL | Mean Sea Level |
| POES | Polar Operational Environmental Satellite |
| ABBA | Automated Biomass Burning Algorithm |