| Acronym | Meaning |
| GPS | Grants Program Section |
| EFI | Enrico Fermi Institute |
| GEWEX | Global Energy And Water Cycle Experiment |
| GLRS | Geodynamics (or Geoscience) Laser Ranging System |
| MODAC | Meteorological Observation And Data Assimilation Center |
| SAO | Surface Airways Observation |
| WSFO | Weather Service Forecast Office |
| NM | Network Management |
| UT | Universal Time |
| AGO | Automatic Geophysical Observatory |