| Acronym | Meaning |
| NM | Network Manager (GSFC) |
| NH | NNH Nominal Heig4t (Adjust Maneuver) |
| PDM | Pulse Duration Modulation |
| CIAP | Climatic Impact Assessment Program |
| VERT | Vertical |
| ICAR | Investigation And Corrective Action Report |
| PIPA | Pulse Integrating Pendulum Assembly |
| CIR | Circulate |
| MC&C | Measurement |
| SBS | Satellite Business System |