| Acronym | Meaning |
| MFENET | National Magnetic Fusion Energy Network |
| AP | Anomalous Propagation |
| ICG | International Coordination Group |
| HEOS-A2 | Highly Eccentric Orbit Satellite |
| MBYTE | Megabyte |
| EINET | Enterprise Integration Network |
| DDB | Delayed Direct Broadcast |
| OSPF | Open Shortest Path First |
| PSC | Pittsburgh Supercomputing Center |
| PRECP | Program On Nonlinearity Of Acid Precipitation Process |