| Acronym | Meaning |
 | WGS84 | World Geodetic Survey 1984 |
| ESRO | European Space Research Organization |
| ALT | Altimeter |
| AA | Activity Area |
| ACC | Accumulator |
| TEB | Tropical Experiment Board |
| IFYGL | International Field Year For The Great Lakes |
| DOT | Department Of Transportation |
| SCOSTEP | Scientific Committee On Solar-Terrestrial Physics |
| MKS | Unit Of Force Replaced By Newtons |
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