| Acronym | Meaning |
| SCS | Soil Conservation Service |
| SMI | Solar Magnetism Initiative |
| UCARIP | UCAR Intellectual Property |
| AMSOC | American Miscellaneous Society |
| NMD | NASA Master Directory |
| QPF | Quantitative Prediction Of Precipitation |
| BITNET | Because It's Time Network |
| NCDS | NASA Climate Data System |
| MLO | Mauna Loa Observatory |
| THEMIS | N/A |