| Acronym | Meaning |
| PDP | Project Definition Phase |
| CMRR | Common Mode Rejection Ratio |
| GEOSEPS | Geosynchronous Solar Electric Propulsion Stage |
| STADAN | Space Tracking And Data Acquisition Network |
| TR/SBS | Teleoperator Retrieval/Skylab Boost System |
| PTCS | Propellant Tanking Computer System |
| PAR | Problem Action Request |
| RHP | Right Hand Panel |
| NMT | Notification Of Master Tool |
| PSCN | Preliminary Specification Change Notice |