| Acronym | Meaning |
| NET | Noise-equivalent Temperature |
| GWC | Global Weather Center |
| AEERL | Air And Energy Engineering Research Laboratory |
| ET | Evapotranspiration |
| NOAO | National Optical Astronomy Observatories |
| AESA | Atmospheric Effects Of Stratospheric Aircraft |
| FSDR | Final System Design Review |
| DMI | Danish Meteorological Institute |
| AERE | Atomic Energy Research Establishment |
| SLATT | Stratospheric Latitudinal And Temporal Trends (exchange Committee) |