| Acronym | Meaning |
| GPS-IPW | Global Positioning System-Integrated Precipitable Water |
| PCNFS | Personal Computer Network File System |
| ROCEW | Role Of Clouds |
| NSO | National Solar Observatory |
| METROMEX | Metropolitan Meteorological Experiment |
| AMI | Active Microwave Instrument |
| POCIBO | Polar Circling Balloon Observatory |
| PCM | Punched Card Machine |
| UVSP | Ultra-violet Spectrometer/polarimeter |
| MKSA | Absolute MKS |