| Acronym | Meaning |
| SJVAQS | San Joaquin Valley Air Quality Study |
| ATSDR | Agency For Toxic Substances And Disease Registry |
| MB | Megabits |
| SSAI | Science Systems Applications Incorporated |
| VISTA | Visual Terrain Analyzer |
| SMI | Solar Magnetism Initiative |
| NEWS | NOAA Earth Watch Service |
| IQSY | International Years Of The Quiet Sun |
| ASE | Amplified Spontaneous Emission |
| QPF | Quantitative Precipitation Forecasting |