| Acronym | Meaning |
| SPC | Sector Processing Center |
| GTC | Gigatons Of Carbon |
| GPM | Geopotential Meter |
| MRS | Mesoscale Research Section |
| DDS | Data Delivery Services |
| EFNS | Educational Foundation For Nuclear Science |
| HIS | High-resolution Interferometer Sounder |
| MFENET | National Magnetic Fusion Energy Network |
| GHOST | Global Horizontal Sounding Technique |
| PACEM | Physics And Chemistry Of Earth Materials |