| Acronym | Meaning |
 | ELP | Equipment Loan Program |
| SIO | Scripps Institution Of Oceanography |
| AWPG | Aviation Weather Products Generator |
| PNA | Pacific/North American |
| TOTO | Totable Tornado Observatory |
| VIS-UV | Visible/ultraviolet Spectrometer |
| MAP | Mesoscale Alpine Project |
| OPTRAN | Optical Test Transmittance Model |
| HRTS | High-resolution Telescope Spectrograph |
| O AND A | Orbit And Altitude |
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