| Acronym | Meaning |
| DCF | Data Capture Facility |
| ETEC | Energy Technology Engineering Center |
| GISST | Global Sea Ice And Sea Surface Temperature |
| VHF | Very High Frequency |
| PDS | Planetary Data System |
| ONERA | Office National D'Etudes Et De Recherches Aerospatiales |
| GSE | Ground Support Equipment |
| GISMOS | Global Incoherent Scatter Measurements Of Substorms |
| D/A | Digital-to-analogue Conversion |
| STEP | Solar Terrestrial Energy Program |