| Acronym | Meaning |
| FCC | Federal Communications Commission |
| BMRC | Bureau Of Meteorology Research Centre |
| P/L-EX | Payload Executive |
| ATD | Atmospheric Technology Division |
| ERTS | Earth Resources Technology Satellite |
| GAC | Global Area Coverage |
| OGO | Orbiting Geophysical Observatory |
| ASSET | Aerothermodynamicelastic Structure Systems Environmental Tests |
| AMD | Alpha Activity Median Diameter |
| INDEX | Indian Ocean Experiment |