| Acronym | Meaning |
| HANK | N/A |
| PC | Continuous Pulsations |
| TIFF | Tag Image File Format |
| PACX | Private Automatic Computer Exchange |
| EOLE | The French Program Like GHOST |
| NSF | National Science Foundation |
| ESRO | European Space Research Organization |
| BIBEX | Biomass Burning Experiment |
| UWI | Uniform Window Interface |
| SCO | Subcarrier Oscillators |