| Acronym | Meaning |
| OSS | Office Of Space Science (NASA) |
| FTS | Fourier Transform Spectrometer (HIS |
| EUMETSAT | EUropean Organization For The Exploitation Of METeorological SATellites |
| PV | PhotoVoltaic |
| BIT | Binary Digit |
| ERS | ESA Remote Sensing Satellite |
| GLOBE | Global Learning And Observations To Benefit The Environment |
| EM | ElectroMagnetic |
| NASDA | National Space Development Agency (Japan) |
| ITOS | Improved Television And Infrared Observation Satellite (1970s) |