| Acronym | Meaning |
 | NHAP | National High Altitude Photography |
| AWRE | Atomic Weapon Research Establishment |
| PPTV | Parts Per Trillion (by Volume) |
| IAU | International Astronomical Union |
| ACDWG | Atmospheric Center Of Data Working Group |
| ADP | Anderson |
| ANATEX | Across North America Tracer Experiment |
| EMI | Electomagnetic Interference |
| B | Bit |
| NOIC | National Oceanographic Instrumentation Center |
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