| Acronym | Meaning |
| FATS | Factory Acceptance Test Specification |
| OSO | Orbiting Solar Observatory |
| USPHS | United States Public Health Service |
| ITCZ | Intertropical Convergence Zone |
| VIMHEX | Venezuela International Meteorological And Hydrological Experiments |
| BATCH MCIDAS | Routine That Runs Sequences Of McIDAS Commands From A Script |
| R&D | Research & Development |
| RPM | Radiation And Particles Measurement |
| BSD | Berkeley Software Distribution |
| FIS | Financial Information System |