| Acronym | Meaning |
| PAL | APA Indonesian Communications Satellite |
| CSDD | Control Systems DeveloPment Division (JSC) |
| EVCU | Extravehicular Communications Umbilical |
| EL | Electronic Interface |
| OASPL | Overall Sound Pressure Level |
| R | Resistance |
| NSTL | National Space Technology Laboratories |
| RV | Recirculation Valve |
| MAIDS | Multipurpose Automatic Inspection And Diagnostic |
| OODR | Out-of-Detent Roll |