| Acronym | Meaning |
| ACSE | Association Control Service Element |
| TIME | Thermosphere-ionosphere-mesosphere-electrodynamics |
| NCAR | National Center For Atmospheric Research |
| IFC | Intensive Field Campaign |
| UAC | United Aircraft Corporation |
| ANATEX | Across North America Tracer Experiment |
| APS | Autocorrelated Photon Spectroscopy |
| PIXE | Proton Induced X-ray Emission |
| W-Z RELATIONSHIP | W = Precipitation Content |
| CAST | Council For Agricultural Science And Technology |