| Acronym | Meaning |
 | PLL | Phase Locked Loop |
| STIL | Software Test And Integration Laboratory |
| ECS | Environmental Control System (Subsystem) |
| RCVR | Receiver |
| N/A | Not Applicable |
| SEM | Space Environment Monitoring |
| MPM | Manipulator Positioning Mechanism |
| PCB | Power Control Box |
| LTG | Lighting |
| FSSR | Flight Systems Software Requirements |
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