| Acronym | Meaning |
| STE | Special Test EquiPment |
| FCC | Federal Communications Commission |
| PGNCS | Primary G&N And Control System (Subsystem) |
| RTV | Room-temperature Vulcanizing |
| GEOSEPS | General Summary Edit Program |
| VHF | Very High Frequency |
| PROP | Proportioning |
| CCS | Central Control Station |
| SADEC | SAFESan Andreas Fault Experiment |
| LFAP | Low Frequency Accelerometer Pogo |