| Acronym | Meaning |
| PSIG | Pounds Per Square Inch Gage |
| GTE/TRACE | Global Tropospheric Experiment/Transport And Atmospheric Chemistry Near The Equator |
| SGS | Subgrid Scale |
| PGGA | Permanent GPS Geodetic Array |
| MM4 | Mesoscale Model |
| LOD2 | Lightweight Omega Digital Dropwindsonde |
| ND | Near-dedicated |
| MAMS | Multispectral Atmospheric Mapping Sensor |
| ACM | Asbestos-containing Material |
| SMSC | Shared-Memory Supercomputer Systems |