Communication Satellites
Communication satellites are artificial satellites that are placed in orbit around the Earth to facilitate communication between different points on the Earth. They are used for a variety of purposes, including television and radio broadcasting, telephone and internet communications, and military communications. Communication satellites work by receiving signals from a ground station, amplifying the signals, and then retransmitting them back to Earth. They are equipped with transponders, which receive and transmit signals in different frequencies. Communication satellites are an important part of modern telecommunications infrastructure, and have revolutionized the way people communicate over long distances.
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