| Acronym | Meaning |
| ER-2 | Earth Resources (plane) |
| HIRS | High-resolution Infrared Radiation Sounder |
| LAWS | Laser Atmospheric Wind Sounder (EOS) |
| MSS | Multi-Spectral Scanner |
| PPM | Part Per Million |
| GPS | Global Positioning System |
| MSLP | MSL Pressure |
| AURA | Association Of Universities For Research In Astronomy |
| IRIS | Infrared Radiation Interferometer Spectrometer (1960s) |
| CPC | Climate Prediction Center (NWS Center) |