| Acronym | Meaning |
| NGDC | National Geophysical Data Center |
| ISR | Individual Schedule Request |
| CDA | Command And Data Acquisition |
| ESTP | Exploratory Shaft Test Plan |
| CALTECH | California Institute Of Technology |
| NATCA | National Air Traffic Control Administration |
| DTF | Data Test Facility |
| EEI | Edison Electric Institute |
| EECF | Earthnet ERS-1 Central Facility |
| BSTS | Boost Surveillance And Tracking System |