| Acronym | Meaning |
 | DMR | Differential Microwave Radiometer |
| WTR | Western Test Range |
| IDA | International Dark-sky Association |
| ARRL | American Radio Relay League |
| MRIR | Medium Resolution Infrared Radiometer |
| APU | Auxiliary Power Unit |
| NAS | Numerical Aerodynamic Simulation |
| ACR | Active Cavity Radiometer |
| CITA | Canadian Institute For Theoretical Astrophysics |
| ISO | Imaging Spectrometic Observatory |
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