| Acronym | Meaning |
| AP | Access Permit |
| MFENET | National Magnetic Fusion Energy Network |
| VF | Voice Frequency |
| FERC | Federal Energy Regulatory Commission |
| SIGMET | Significant Meteorological Information |
| HDS | High-resolution Data Service |
| NWS | Naval Weather Service |
| LAC | Local Area Coverage |
| DPC | DLESE Program Center |
| LEARN | Laboratory Experience In Atmospheric Research |