| Acronym | Meaning |
 | ISO | International Standards Organization |
| AMSR | Advanced Microwave Scanning Radiometer |
| OA | Office Automation |
| ETAG | Educational Technologies Assistance Group |
| PRECP | Processing Of Emissions By Clouds And Precipitation |
| IRAC | Interdepartmental Radio Advisory Committee |
| MCA | Manufacturing Chemists Association |
| ANEC | American Nuclear Energy Council |
| SID | Sudden Ionospheric Disturbance |
| ARCAS | All-purpose Rocket For The Collection Of Atmospheric Soundings |
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