| Acronym | Meaning |
| SESQUINET | N/A |
| VCO | Voltage-controlled Oscillation |
| UHURU | N/A |
| DDE | Dynamic (or Direct) Data Exchange |
| ALAPCO | Association Of Local Air Pollution Control Officials |
| GLIS | Global Land Information System |
| MIB | Management Information Base |
| ACE | American Council On Education |
| UARS | Upper Atmosphere Research Satellite |
| DECU | Developmental & Educational Communications Unit |