| Acronym | Meaning |
| PRF | Pulse Repetition Frequency |
| MSDOS | Microsoft Disk Operating System |
| PHIGS | Programmer's Hierarchical Interactive Graphics System |
| NTCC | Nimbus Technical Control Center |
| CCL | Convective Condensation Level |
| UARS | Upper Atmosphere Research Satellite |
| DIS | Data Information System |
| HMS | Hungarian Meteorological Service |
| MODIS | Moderate Resolution Imaging Spectroradiometer |
| PIPOR | Program For International Polar Ocean Research |