| Acronym | Meaning |
 | APJ | The Astrophysical Journal |
| FATS | FORTRAN Automatic Timing System |
| GTCP | Global Tropospheric Chemistry Program |
| GRM | Geopotential Research Mission |
| IGBP | International Geosphere-Biosphere Program |
| ARA | Appletalk Remote Access |
| UNIX | A Computer Operating System Developed By AT&T And Modified Extensively By The University Of California At Berkeley |
| R-Z RELATIONSHIP | R = Precipitation Rate |
| REREX | Remote Read-out Experiment |
| NSTS | National Space Transportation System |
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