| Acronym | Meaning |
| GCTE | Global Change And Terrestrial Ecosystems |
| APPA | American Public Power Association |
| EOS-A | First NPOP |
| CCARS | Computer Controlled Automatic Rain Sampler |
| MASER | Microwave Amplification By Stimulated Emission Of Radiation |
| SFC OR SFC | Surface |
| MBT | Miscellaneous Budget Transactions |
| CCRI | Climate Change Research Initiative |
| ISRO | Indian Space Research Organization |
| MMI | Monthly Management Information Report |