| Acronym | Meaning |
| LOTUS | Lower Thermosphere And Upper Stratosphere |
| ITM | Ionosphere-Thermosphere-Mesosphere |
| OMNET | N/A |
| MAMS | Multispectral Atmospheric Mapping Sensor |
| MSU | Mass Storage Unit |
| DME | Distance-measuring Equipment |
| UNCED | United Nations Conference On Environment And Development |
| IDD | Interface Definition Document |
| SESQUINET | N/A |
| DAT | Data Acquisition Test |