| Acronym | Meaning |
| NREL | National Resource Ecology Laboratory |
| SBIR | Small Business Innovative Research |
| SOR | Successive Over Relaxation |
| SAWRS | Supplementary Aviation Weather Reporting System |
| MOD (+/OR DSI | Ministry Of Defense |
| CA | Citizen Act |
| PSE | Polar Sunrise Experiment |
| PRT | Platinum Resistance Thermometer |
| DCG | Derived Air Concentration Guide For Uncontrolled Areas |
| EOFS | Empirical Orthogonal Functions |