| Acronym | Meaning |
| DAC | Disaster Assistant Center |
| GUI | Graphical User Interface |
| DOT | Department Of Transportation |
| GPCP | Global Precipitation Chemistry Project |
| ISRDB | Incoherent Scatter Radar Data Base |
| EM | Electronic Mail |
| NTTF | NASA Test And Training Facility |
| GUISE | Group For Unidata Interface Software Exploration |
| MERIT | MERIT |
| INPA | Instituto Nacional De Pesquisas Da Amazonia |