| Acronym | Meaning |
| NSSDC | National Space Science Data Center |
| MMAC | Multi-Media Access Center |
| HPCS | High-performance Computing Section |
| IDASS | Integrated Data Assimilation/Sounding System |
| HRS | Hardwae Requirements Specification |
| DOC | Dissolved Organic Carbon |
| RAOBS | Radiosonde Observations |
| IMAGE | N/A |
| HRDI | High Resolution Doppler Interferometer |
| PSPT | Precision Solar Photometric Telescope |