| Acronym | Meaning |
| M-PDU | Multiplexed Protocol Data Unit |
| EPICS | Experimental Physics & Industrial Control System |
| POD | Probability Of Detection |
| ESSL | Earth & Sun Systems Laboratory (formerly ATD) |
| LRU | Line Replaceable Unit |
| EURAM | European Research In Advanced Materials |
| NCAR/UCAR | National Center For Atmospheric Research |
| LACATE | Lower Atmosphere Composition And Temperature Experiment |
| CASS | Computer-Assisted Surveillance System |
| AAOE | Airborne Antarctic Ozone Experiment |