| Acronym | Meaning |
| ACE | Antarctic Current Experiment |
| FRD | Forecast Research Division |
| SCR | Selective Chopper Radiometer |
| PEP | Photo-electron Plasma |
| JERS | Japan Earth Remote Sensing Satellite |
| IOC | Initial Operating Capability |
| IPC | Instrument Processing Center |
| SSS | Software Segment Specification |
| ESIG | Environmental And Societal Impacts Group |
| LLP | Lightning Location And Protection |