| Acronym | Meaning |
| SSBLIM | Snow Shading Boundary Layer Interaction Measurement |
| ESPIRIT | European Strategic Programme For R&D In Information Technology |
| TBO | Tropospheric Biennial Oscillation |
| APA | Allied Pilot's Association |
| ASASP | Advanced Solid-State Array Sensor |
| ESO | European Southern Observatory |
| FIRE | First ISCCP Radiation Experiment |
| IRS | Information Retrieval Service |
| PD | Positive Definite |
| RADEX | Radar Experiment |