| Acronym | Meaning |
| SPL | SLATEC Plotting Library |
| ARGUS | ARGonne Unified Safeguards |
| MILOX | Mid-Latitutde Ecosystem And Photochemical Oxidants |
| MTC | Main Trunk Circuit |
| CASES | Cooperative Atmosphere Surface Exchange Study |
| ORU | Orbital Replacement Unit |
| CAG | Computing Advisory Group |
| GEOSAT | Geodesy Satellite |
| IFREMER | Institut Francais Re'checche Pour L'Exploitation De La Mer |
| IUCRM | Inter Union Commission On Radio Meteorology |