| Acronym | Meaning |
 | R/T | Receiver/Transmitter |
| OTA | Office Of Technology Assessment |
| ERS | Element Requirements Specification |
| WSMR | White Sands Missile Range |
| EAG | Environmental Assessments Group |
| BUREC | Bureau Of Reclamation |
| APO | Administrative Policy Office |
| GRIB | Grid In Binary |
| NESC | National Environmental Satellite Center |
| MSIS | Mass Spectrometer And Incoherent Scatter |
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