| Acronym | Meaning |
 | CSIRO | Commonwealth Scientific And Industrial Research Organization |
| SID | Sudden Ionospheric Disturbance |
| IUE | International Ultraviolet Explorer |
| LGM | Little Green Men |
| UTC | Coordinated Universal Time |
| CXBR | Cosmic X-ray Background Radiation |
| MCC | Mission Control Center |
| OV | Orbital Vehicle |
| SAMS | Space Acceleration Measurement System |
| ASEM | Assembly Of Station By EVA Methods |
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