| Acronym | Meaning |
| DHC | Data Handling Center |
| DOA | Department Of Agriculture |
| PSPT | Precision Solar Photometric Telescope |
| EEI | Edison Electric Institute |
| PCO | Polar Cap Observatory |
| AEC | Associate Enforcement Counsel |
| MPI | Max Planck Institute |
| AAP | Atmospheric Analysis And Prediction Division |
| CBO | Congressional Budget Office |
| OPLE | OMEGA Position And Location Experiment |