| Acronym | Meaning |
| OCTA | Oxidizing Capacity Of The Troposphere Atmosphere |
| PSA | Pressure Switch Assembly |
| GEF | Global Environmental Facility |
| R/T | Receiver/Transmitter |
| ISOS | International Southern Ocean Study |
| LINUX | N/A |
| AFWL | Air Force Weapons Laboratory |
| CASH | Commercial Aviation Sensing Of Humidity |
| MIPS | Millions Of Instructions Per Second |
| APPA | American Public Power Association |