| Acronym | Meaning |
| SCO | Subcarrier Oscillator |
| IOPL | Integrated Open Problem List |
| T | LSCP Telescope |
| TTC | Tunnel Thermal Control |
| RG | Radio Guide |
| TTA | Thermomechanical Test Area |
| SCRS | Stripchart Recording System |
| NR/T | Near Real-Time |
| MYVAL | MMYVALMaintainability Evaluation |
| PSST | Periodic Significant Scheduled Tasks |