| Acronym | Meaning |
 | HRAA | High Rate Acquisition Assembly |
| PAD | Preliminary Advisory Data (Crew Data Uplink) |
| RTCC | Real-Time Computer Command (UPlink) |
| KUSP | Ku-Band Single Processor |
| OLIF | Orbiter Landing Instrumentation Facilities |
| ESTEC | European Space Technology Center |
| SSDS | Space Station Data System |
| CDRL | Contract Data Requirements List |
| CM | Control Monitor |
| FSS | Fixed Service Structure |
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