| Acronym | Meaning |
| PRT | Platinum Resistance Thermometer |
| DOS | Department Of Space |
| DAT | Digital Audio Tape |
| RADARSAT | Radar Satellite |
| FLTOP | Federal Lease To Ownership Program |
| VLA | Very Large Array |
| LVDT | Linear Variable Differential Transformer |
| PM2.5 | Particulate Matter With Mass Median Aerodynamic Diameter Less Than 2.5 Micrometers |
| VORTEX | Verification Of Tornadoes Experiment |
| ESDD | Earth Science Data Directory |