| Acronym | Meaning |
| SOS | Southern Oxidant Study |
| LPM | Lines Per Minute |
| UIL | Upper Interval Limit |
| GRD | Geophysics Research Directorate |
| R&D | Research & Development |
| MPD | Magnetospheric Particles Detectors |
| TIWEX | Tropical Institute (or Instability) Wave Experiment |
| SMTP | Simple Mail Transfer Protocol |
| DAMUS | Data Management And User Services |
| B | Byte |