| Acronym | Meaning |
| GPS | Global Positioning System |
| BIT | Binary Digit |
| EOSDIS | Earth Observing System Data And Information System |
| OSS | Office Of Space Science (NASA) |
| TMR | TOPEX Microwave Radiometer (EOS) |
| ESSP | Earth System Science Pathfinder Mission (ESSP) |
| HZ | Hertz |
| VISIT | Virtual Institute For Satellite Integration Training (NWS) |
| K | Kilo |
| CRIS | Cross-track Infrared Sounder |