| Acronym | Meaning |
| ADI | Alternating Direction Implicit |
| GCIP | GEWEX Continental-Scale International Project |
| AF | Auxiliary Feed |
| IAG | International Association Of Geodesy |
| EH | Oxidation Potential |
| EOCAP | Earth Observations Commercialization Applications Program |
| DECU | Developmental & Educational Communications Unit |
| ARISTOTELES | Applications And Research Involving Space Technologies Observing The Earth's Field From Low Earth Orbiting Satellite |
| TROMEX | Tropical Meteorology Experiment |
| PASIN | Particle-Matter Airborne Sampling Inlet Experiment |