| Acronym | Meaning |
 | CPAF | Cost Plus Award Fee |
| SPIF | Standard Payload Interface Facility |
| PM | Phase Modulation |
| RTIF | Real-Time Interface |
| SMQ | Structure Module Qualification Test |
| PCM | Pulse Code Modulation |
| SM | IASerial Multiplexer Interface Adapter |
| ISI | Instrumentation Support Instruction |
| PFTA | PaY[oad Flight Test Article |
| FCOS | Flight Computer Operating System (Orbiter) |
Browse by Letter:
