1962年7月,美国发射了世界第一颗进行电视、电话、电报、传真通信试验的卫星——电星一号卫星。电星一号卫星的通信试验成功,标志着人类开始进入卫星通信时代。1962年12月,美国发射中继卫星恰逢肯尼迪遇刺事件,事件得以及时播发,人们不仅看到了卫星通信的优越性,同时也证明卫星 In July 1962, the United States launched the world’s first satellite, Star1, to test television, telephone, telegraph and fax communications. The success of the experiment on the communication of No. 1 satellite shows that mankind has entered the era of satellite communications. In December 1962, the launch of a relay satellite in the United States coincided with the assassination of Kennedy and the incident was timely broadcast. People not only saw the superiority of satellite communications, but also proved that satellites