| Acronym | Meaning |
 | MLS | Microwave Limb Sounder |
| VRM | Venus Radar Mapper |
| POP | PO Polyot |
| DSSC | Deep Space Station Complex |
| AU | Astronomical Unit |
| MPEC | Multi-Purpose Experiment Canister |
| DRSS | DATA Relay Satellite System |
| SAT | Synthetic Aperture Telescope |
| PCT | Photometric Calibration Test |
| IDL | Interactive Data Language |
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