| Acronym | Meaning |
| BER | Bit Error Rate |
| NPSNET | NASCOM Packet Switched Subnetwork |
| FDF | Flight Dynamics Facility |
| R/T | Reciever/Transmitter |
| SAM I | Sensing With Active Microwaves |
| NOAO | National Optical Astronomy Observatories |
| PMS | Performance Measurement System |
| FWS | Filter Wedge Spectrometer |
| NRL | Naval Research Laboratory |
| CAST | Chinese Academy Of Space Technology |