| Acronym | Meaning |
| GAC | Global Atmospheric Chemistry |
| GAPEX | Ground-based Atmospheric Profiling Experiment |
| IFREMER | Institut Francais Re'checche Pour L'Exploitation De La Mer |
| NWRC | National Weather Records Center |
| VSM | Vertical Slab Model |
| SDD | Systems Development Division |
| LPC | Large Particle Count |
| AA | Activity Area |
| M | Mega |
| AWDS | Automated Weather Distribution System |