| Acronym | Meaning |
| RAX | Remote Access Terminal |
| G-MEM | GPC-Memory |
| PTO | Participating Test Organizations |
| OMNI | Omni-Range |
| K-SLPS | KSC Spacelab Project Specification |
| OLSA | Orbiter/LPS Signal Adapter |
| OVV | Overvoltage |
| PDP | Plasma Diagnostics Package |
| PICRS | Program Information Control And Retrieval System |
| QAP | Quality Assurance Procedure |