| Acronym | Meaning |
| RAAB | Remote Amplifier And Adoption Box |
| OIS | Orbiter Instrumentation Systems |
| DFI | Development Flight Instrumentation |
| VCTR | Vector |
| RFA | RF Authorization (Frequency) |
| SRMC | Stimulus/Response Measurements Catalog |
| EDA | Electronic DisPlay Assembly |
| PN | Pseudo-Random Noise |
| DRM | Drawing Requirements Manual |
| PKG | Package |