| Acronym | Meaning |
| NSRC | National Systems And Research Company |
| PMS | Particle Measuring System |
| GNU | GNU's Not UNIX (a Recursive Acronym) |
| GPS-IPW | Global Positioning System-Integrated Precipitable Water |
| C&DH | Command And Data Handling |
| WSP | Winter Storm Program |
| SMMR | Scanning Multichannel Microwave Radiometer |
| NDBC | National (or NOAA) Data Buoy Center |
| ESTAR | Electrically Steered Thinned Array Radiometer |
| SIPI | Scientists' Institute For Public Information |