| Acronym | Meaning |
| LDS | Linear Depolarization Ratio |
| IRCAT | Infrared Radiometer To Detect (CAT) Horizontal Temperature Gradients |
| ENDEX | Environmental Data Index |
| GAC | Global Area Coverage |
| NEHRP | National Earthquake Hazard Reduction Program |
| LEDA | On-line Earthnet Data Access |
| DMMR | Distributed-Memory Microprocessor Systems |
| NENA | NOAA's Northeast-North Atlantic 2004 |
| MOPITT | Measurements Of Pollution In The Troposphere |
| TOPEX/POSEIDON | Ocean Topography Experiment |