| Acronym | Meaning |
| UMIST | University Of Manchester Institute Of Science And Technology |
| PDF | Probability Density Functions |
| NEC | Nippon Machines |
| BAHC | Biospheric Aspects Of The Hydrological Cycle |
| DADS | Data Archive And Distribution System |
| PIFM | Practical Improved Flux Method |
| BU | Bargaining Unit |
| CASH | Commercial Aviation Sensing Humidity Program |
| AMRIR | Advanced Medium Resolution Imaging Radiometer |
| H/W | Hardware |