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据美刊《卫星通信》1978年4月报导:通用电话和电子公司(GTE)实验室和南佛罗里达大学共同实验所得出的最初结果表明,下一代国内卫星系统将可以在19/29GHz频段上工作,这样即可重新开辟数千条新的信道。Comstar(通信星)将信号发给直径为8英尺的屋顶天线(在佛罗里达州的
According to the U.S. publication Satellite Communications, reported in April 1978, the initial results of a joint experiment conducted by the General Electric Telephone and Electronics Company (GTE) Laboratory and the University of South Florida show that the next generation of domestic satellite systems will be capable of operating in the 19 / 29GHz band , So that you can re-open up thousands of new channels. Comstar sends a signal to a 8-foot-wide roof antenna (in Florida