| Acronym | Meaning |
| CMRR | Common Mode Rejection Ratio |
| PFCS | Primary Flight Control System |
| STS | RSystem Test Summary Report |
| F | Female |
| DECL | Direct Energy Conversion Laboratory (JSC) |
| NSTL | National Space Technology Laboratory (was MTF) |
| HSTP | Hard Stop |
| INSTRUMENT/ | Instrument/Communication EquiPment |
| SIU | Signal Interface Unit |
| W | West |