| Acronym | Meaning |
| LA | Low Attitude |
| CBA | C-Band Transponder Antenna |
| SCFM | Standard Cubic Feet Per Minute |
| OPL | Operational |
| CSCSAT | Commercial Synchronous Communication Satellite |
| SOP | Spacelab OPportunity Payload |
| HA | High Altitude |
| RSD | Requirements And Specifications Document |
| SSFGSS | Space Shuttle Flight And Ground System Specification |
| CMD | Command |