DIN EN 60835-2-1-1993 数字微波无线电传输系统设备的测量方法.第2部分:地面无线电中断系统的测量.第1节:总则
Methods of measurement for equipment used in digital microwave radio transmission systems; part 2: measurements on terrestrial radio-relay systems; section one: general (IEC 60835-2-1:1990); German version EN 60835-2-1:1992