| Acronym | Meaning |
| AOP | Annual Operating Plan |
| LOWL | Low Degree Oscillations Experiment |
| TRMM | Tropical Rainfall Measuring Mission |
| AMS | American Mathematical Society |
| K | Potassium |
| KBYTE | Kilobyte (103) |
| ESA | Engineering Support Activity |
| NOAASIS | NOAA Satellite Information System |
| SPIE | Society Of Photo-optical Engineers |
| GISS | Goddard Institute For Space Studies |