| Acronym | Meaning |
 | HV | High Voltage |
| CCSDS | Consultative Committee For Space Data Systems |
| SOFIA | Stratospheric Observatory For Infrared Astronomy |
| AMSR | Advanced Microwave Sounding Radiometer |
| CBR | Cosmic Background Radiation |
| AURA | Association Of Universities For Research In Astronomy |
| DOD | Department Of Defense |
| GSFC | Goddard Space Flight Center |
| PTC | Passive Thermal Control |
| TOPEX | Ocean Topography Experiment |
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