| Acronym | Meaning |
| SOCC | Satellite Operations Control Center |
| PERF | Perform |
| CCM | Controlled Carrier Modulation |
| NAS | National Academy Of Sciences |
| BRT | Bright |
| DCIU | Digital Control And Interface Unit |
| T/T | Terminal Timing |
| CHG | Change |
| CWLM | Caution And Warning Limit Module |
| DAU | Digital Adapter Unit |