| Acronym | Meaning |
| CALTECH | California Institute Of Technology |
| SQ | Solar Quiet |
| SOI/MDI | Solar Oscillations Imager/Michelson Doppler Imager |
| NSS | Nodal Switching Subsystem |
| MAP | Metro-Agro-Plex |
| AWFTF | Aviation Weather Forecasting Task Force |
| AAW | Antiair Warfare |
| FRC | Federal Radiation Council |
| AER | Average Evoked Response |
| ICSI | International Commission On Snow And Ice |