| Acronym | Meaning |
| APRM | Average Power Range Monitor |
| SPOT | Systeme Pour L'Observation De La Terre (France) |
| GAP | GATE Advisory Panel |
| INPE | Instituto De Pesquisas Espaciais |
| PERFMON | Performance Monitor Utility |
| GGI | GPS Geoscience Instrument |
| CDOS | Customer Data And Operations System |
| SI | Solar Interiors Section |
| DSAT | Distributed System Administration Team |
| LCL | Lifting Consdensation Level |