| Acronym | Meaning |
 | AAS | American Astronautical Society |
| ASA | Astronomical Society Of The Atlantic |
| SID | Sudden Ionospheric Disturbance |
| RAE | Royal Aerospace Establishment |
| DM | Dark Matter |
| SSI | Solid-State Imager / Space Studies Institut |
| OSS | Office Of The Space Station |
| GOES | Geostationary Orbiting Environmental Satellite |
| LHA | Local Hour Angle |
| GMRT | Giant Meter-wave Radio Telescope |
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