| Acronym | Meaning |
| NAIC | National Astronomy And Ionosphere Center |
| AL/OIEA | AL Office Of Intergovernmental And External Affairs |
| ERBE | Earth Radiation Budget Experiment |
| PDF | Probability Density Functions |
| CART | Cloud And Radiation Testbed |
| RISE | Radiative Inputs From Sun To Earth |
| LNA | Low-noise Amplifier |
| UIPPA | See IUPAP |
| ATC | Adiabatic Toroidal Compressor |
| INTERFACE | A Common Boundary Between Software Systems Or Pieces Of Equipment |