| Acronym | Meaning |
| AEC | Atomic Energy Commision |
| RPN | (Division De) Recherche En Precision Numerique |
| EO | Office Of Education And Outreach |
| ERL | Environmental Research Laboratory |
| NSF | National Science Foundation |
| IGE | International Group Elements |
| AIDA | Arecibo Initiative With Dynamics Of The Atmosphere |
| GEOSAT | Geodesy Satellite |
| AWN | Aviation Weather Network |
| MB | Megabits |