| ATNF | Australia Telescope National Facility |
| DIT | Data Interface Team |
| DOTS | Data Oversight & Transfer System |
| DPL | Data Processing Log |
| DSN | Deep Space Network |
| EVN | European VLBI Network |
| FTP | File transfer protocol |
| GBTS | Green Bank Tracking Station |
| GPS | Global Positioning System |
| GRT | Ground Radio Telescope |
| GTS | Ground Tracking Station |
| HALCA | Highly Advanced Laboratory for Communications and Astronomy |
| IP | Internet Protocol |
| ISAS | Institute of Space and Astronautical Science |
| ISTS | Institute for Space and Terrestrial Science |
| JIVE | Joint Institute for VLBI in Europe |
| JKSC | Kagoshima Space Centre |
| JPL | Jet Propulsion Laboratory |
| Mbps | Megabits per second |
| MDF | Monitor Data File |
| ME | Mission Element |
| MMNAV | (JPL) Multi-Mission Navigation |
| NAO | National Astronomical Observatory |
| NASA | National Aeronautics and Space Administration |
| NASDA | National Space Development Agency |
| NAV | Navigation Groups |
| NRAO | National Radio Astronomy Observatory |
| NRT | Near Real-Time |
| OD | Orbit Determination |
| OSF | Observation Summary File |
| PI | Principal Investigator |
| PST | Pacific Standard Time |
| S2 | S2 Recording System |
| SPL | Station Performance Log |
| SRS | Space Radio-Telescope Schedule |
| SRT | Space Radio Telescope |
| SVLBI | Space Very Long Baseline Interferometry |
| TCF | Time Corrections File |
| THF | Telemetry Header File |
| TSM | TSys Monitor |
| UT | Universal (Coordinated) Time |
| UTC | Coordinated Universal Time |
| VEX | VLBI Experiment (file format) |
| VLA | Very Large Array |
| VLBA | Very Long Baseline Array |
| VLBI | Very Long Baseline Interferometry |
| VMOH | VSOP Mission Operations Handbook |
| VSOG | VSOP Science Operations Group |
| VSOP | VLBI Space Observatory Programme |
| VSOPT | VSOP Terminal Recording System |
| WSRT | Westerbork Synthesis Radio Telescope |
| XSOE | Executed Sequence of Events |