| Acronym | Meaning |
| NETS | Network Engineering And Telecommunications Section |
| NERC | National Environment Research Council |
| IMP | Interplanetary Monitoring Platform |
| PSU | Pennsylvania State University |
| B | Byte |
| EMA | Extended Memory Addressing |
| BE | Best Estimate |
| SMS | Synchronous Meteorological Satellite |
| CCMS | CCM0B |
| (ES) | Sporadic E |