JUS N N6 542-1989 Radiocomminications Antermas Hethods of measurement for antennas used in tbe mobile services Test range《无线电通讯 天线 移动业务中使用的天线的测量方法 测试范围》.pdf

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ITU-R RAPPORT M 766-2 FRENCH-1990 Feasibility of frequency sharing between the GPS and other services《全球定位系统和其他服务之间的频率共享的可行性》.pdf

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