| Acronym | Meaning |
| SPA | Signal Processor Assembly |
| FACT | Flexible Automatic Circuit Tester |
| INTASAT | Instituto Nacional De Technica Aeroespacial Satell |
| NOSP | Network Operations Support Plan |
| SBAS | S-Band AntennaSwitch |
| GPS | Global Positioning System |
| GPC | General-purpose Computer |
| MEP | Minimum Entry Point |
| JSLWG | Joint Spacelab Working Group |
| OR | Operations Room |