| Acronym | Meaning |
| ATEN | Association Technique De L'Energie Nucleaire |
| HARS | High-Altitude Route Structure Workstation |
| F | Forad |
| NSFF | NSF Funded |
| AEO | Atomic Energy Organization |
| WX | Weather |
| NSRDS | National Standard Reference Data System |
| IRR | Integrated Requirements Review |
| VAD | Velocity-azimuth Display |
| EBUFR | Enhanced Binary Universal Form |