| Acronym | Meaning |
| DBGMP | DBSData Base System |
| STAT | Statistics |
| FDM | Frequency Division Multiplexer |
| PS | Power Supply |
| HITS | High Rate Multiplexer InPut/Output Test System |
| MOSPO | Mobile Satellite Photometric Observatory |
| PCTO | Payload Cost Tradeoff Optimization |
| JSLWG | Joint Spacelab Working Group |
| CCR | Control Center Rack |
| PRACA | Problem Reporting And Corrective Action |