| Acronym | Meaning |
![](file.png) | P-P | Peak-to-Peak (Value) |
![](file.png) | SRD | Shuttle Requirements Document |
![](file.png) | RTCP | Real-Time Communications Processor |
![](file.png) | L | Lumen |
![](file.png) | TSCO | Test Support Coordination Office |
![](file.png) | HCM | Hard Copy Module |
![](file.png) | TDD | Task Description Document |
![](file.png) | SATO | Supply And Transportation Operations |
![](file.png) | MMH | Monomethylhydrazine |
![](file.png) | DO | Discrete Output |