| Acronym | Meaning |
| DSM | DiMethylSulfide |
| PPI | Plan-postition Indicator |
| INFOTERRA | International Environmental Research And Referral Service Of UNEP |
| ICS | Interdisciplinary Climate Systems |
| RDF | Radio Direction Finding |
| RUCS | Rapid Update Cycle Surface |
| GTE/TRACE | Global Tropospheric Experiment/Transport And Atmospheric Chemistry Near The Equator |
| ICO | Initial Operating Capability |
| EODC | Earth Observation Data Centre |
| HDLC | High Level Data Link Control |