1. History and Development of Satellites for Communication
History changed on October 4, 1957, when the Soviet Union successfully launched Sputnik I. The world's first artificial satellite was about the size of a basketball, weighed only 183 pounds, and took about 98 ... U.S. launched Echo 1, the first communication satellite. Echo 1 reflected signals back to Earth. The other communication satellites were launched in the follow years. Telstar 1, launched on July 10, 1962, by the American Telephone and Telegraph Company, was the first active satellite capable of transmitting telephone conversations, television pictures, and telephoto microwaves. Syn...
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