| Acronym | Meaning |
 | GSOS | GPS Surface Observing System |
| NM | Network Management |
| AMU | Aqueous Makeup |
| NSIDC | National Snow And Ice Data Center |
| AO | Arctic Oscillation |
| IUGG | International Union Of Geodesy And Geophysics |
| DCF | Data Capture Facility |
| MCC | Mission Control Center |
| VAFB | Vandenberg Air Force Base |
| ONERA | Office National D'Etudes Et De Recherches Aerospatiales |
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