| Acronym | Meaning |
| APDCS | Axial Power Distribution Monitoring System |
| GARP | Global Atmospheric Research Program |
| PPS | Public Products Service |
| SAS | Statistical Analysis System |
| GB | Gigabits |
| I&T | Integration And Test |
| QCMS | Quality Control Monitoring System |
| AOP | Annual Operating Plan |
| HEOS-A2 | Highly Eccentric Orbit Satellite |
| IWC | Ice Water Content |