| Acronym | Meaning |
| PSU | Pennsylvania State University |
| OGO | Orbiting Geophysical Observatory |
| CAL | Cray Assembly Language |
| MBYTE | Megabyte |
| AGA | Automatic Gas Analyzer |
| ARCSYM | Arctic Regional Climate Simulation |
| PASIN | Particle-Matter Airborne Sampling Inlet Experiment |
| ACS | Administrative Computing And Systems |
| ICJOB | IBM-to-Cray Interactive Interface |
| MASP | Multi-angle Aerosol Spectrometer Probe |