| Acronym | Meaning |
| IEIS | Integrated Earth Information Server |
| A/D | Analog-to-digital |
| SCPP | Sierra Cooperative Pilot Project |
| PSPT | Precision Solar Photometric Telescope |
| AFB | Air Force Base |
| FFRDCS | Federally Funded Research And Development Centers |
| NOMHICE | Nonmethane Hydrocarbon Intercomparison Experiment |
| AG | Alternating Gradient |
| CCP | Clouds In Climate Program |
| ESM | Earth Systems Model |