| Acronym | Meaning |
| NDTE | North Dakota Tracer Experiment |
| USFS | United States Forest Service |
| MTL | Message Transfer Layer |
| SAI | Sudden Auroral Intensity |
| KPP | K Profile Parameterization |
| PSI | Pounds Per Square Inch |
| AC | Area Coordinator |
| DAC | Director's Advisory Committee |
| NIST | National Institute Of Standards And Technology |
| ESHP | Effective Shaft Horse Power |