| Acronym | Meaning |
| PACT | Professional Association Of Computing And Technology |
| GSOS | GPS Surface Observing System |
| HDF | Hierarchical Data Format |
| FAT | Factory Acceptance Test |
| AC | Advisory Circular/committee |
| TIBEX | Tidewater Bermuda Experiment |
| DOAS | Differential Optical Absorption Spectroscopy |
| EIA | Electronic Industries Association |
| SEL | Space Environment Laboratory |
| FLAT | Full Look At Turbulent Kinetic Energy |