| Acronym | Meaning |
| ELSCAM | Electra Scalar Measurements |
| GDAS | Global Data Assimilation System |
| ESID | EOSDIS Systems Interface Document |
| CATI | Colorado Advanced Technology Institute |
| EARN | European Academic Research Network |
| GCM | General Circulation Model |
| SPAR | Spaceborne Rawinsonde |
| AISEC | Army Information Engineering Command |
| MSI | Measurements |
| STJ | Subtropical Jet |