| Acronym | Meaning |
| INSAT | Indian National Satellite System |
| ARMAR | Airborne Rain Mapping Radar |
| TDM | Three-dimensional Time-varying Mesoscale Model |
| DMA | Directory Of Military Application |
| NWSC | National Weather Satellite Center |
| WISP | Winter Icing And Storms Project |
| FIRS | Fourier Transform Infrared Sounder |
| R | Roentger |
| PCM | Pulse Code Modulation |
| JERS-1 | Japanese Earth Resources Sensing Satellite 1 |