| Acronym | Meaning |
| WGS84 | World Geodetic Survey 1984 |
| OST | Office Of Science And Technology |
| SLPA | Sea-Level Pressure Anomaly |
| ITM | Ionosphere-Thermosphere-Mesosphere |
| ESIS | Earth Science Information System |
| TDM | Time Division Multiplex |
| JCP/ PO | Joint Climate Program/Projects Office |
| GISMOS | Global Incoherent Scatter Measurements Of Substorms |
| EMCORE | Environmental Management Center Opportunities Resource |
| VOCS | Volatile Organic Compounds |