| Acronym | Meaning |
| MOSES | Meteorological Observing Station |
| DMAIAGS | Defense Mapping Agency Inter-American Geodetic Survey |
| LAGEOS | Laser Geodynamics Satellite |
| EMEP | European Model And Evaluation Program |
| DDR | Deutsche Demokratische Republik |
| DRI | Defense Research Internet |
| HERS | Human Ecology Research Service |
| PMS | Particle Measuring System |
| OO | Object Oriented |
| APLJHU | Applied Physics Laboratory John Hopkins University |