| Acronym | Meaning |
| UT | Universal Time |
| USERC | United States Environmental And Resources Council |
| PSIG | Pounds Per Square Inch Gage |
| TCZ | Tropical Cloud Zone |
| GAP | GATE Advisory Panel |
| AMSR | Advanced Microwave Sounding Radiometer |
| BIT | Built-in Test |
| VAP | Voluntary Assistance Program |
| EMO | Elk Mountain Observatory |
| AADT | Average Annual Weekday Traffic |