IEC 60835-1-1-1990
数字微波无线电传输系统使用设备的测量方法 第1部分:地面无线电中继系统和卫星地面站通用的测量 第1节:总则
Methods of measurement for equipment used in digital microwave radio transmission systems; part 1: measurements common to terrestrial radio-relay systems and satellite earth stations; section one: general