| Acronym | Meaning |
| DDR | Deutsche Demokratische Republik |
| PPM | Parts Per Million |
| ESIP | Earth System Information Partners Federation |
| RT/PC | RISC Technology/Personal Computer |
| GEO 2000 | National Science Foundation's Geosciences Beyond 2000 |
| FWS | Fish And Wildlife Service |
| AARC | Alliance For Acid Rain Control |
| AWISE | Association Of Women In Science And Engineering |
| AAW | Antiair Warfare |
| VIP | Versatile Information Processing |