| Acronym | Meaning |
 | IAP | International Affiliates Program |
| AQMA | Air Quality Maintenance Area |
| EFI | Enrico Fermi Institute |
| PCRGA | Precipitation Chemistry |
| TWC | The Weather Channel |
| BITNET | Because It's Time Network |
| ARC | Antarctic Research Center |
| GEOSIF | Geoscientific Information Framework |
| OBC | Onboard Computer |
| DIB | Directory Information Base |
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