Radio Spectrum
Radio spectrum refers to the range of electromagnetic frequencies used for communication via radio waves. It includes frequencies from 3 kHz to 300 GHz, and is divided into various bands for different applications such as broadcasting, satellite communication, and navigation. The allocation of frequencies within the radio spectrum is regulated by international organizations such as the International Telecommunication Union (ITU) to prevent interference between different users. In the context of space and astronautical engineering, the radio spectrum is used for communication between spacecraft and ground stations, as well as between different spacecraft. It is also used for remote sensing applications such as radar and radiometry, which provide valuable information about the Earth and other celestial bodies.
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