| Acronym | Meaning |
| ATLAS | Airborne Tunable Laser Absorption Spectrometer |
| OPLE | Omega Position Location Equipment |
| WBRT | Weather Bureau Radio Thoedolite |
| IMP | Interface Message Processor ARPANET |
| UQAM | Universite De Quebec A Montreal |
| MBYTE | Megabyte |
| MARC | Middle Atmosphere Responses To Changes |
| CAL/VAL | Calibration/Validation |
| PRIMO | Problems Related To Ionospheric Modeling And Observations Project |
| DAT | Data Acquisition Test |