给出了地面瞄准线无线电中继系统子系统和使用频率调制的模拟无线电中继系统共同特性的标准测量条件和测量方法。所述测试仅限于模拟传输系统。标准化了用于确定地面无线电中继系统和此类系统中使用的设备性能的测量条件和方法，并有助于比较不同观察者的测量结果。包含所选测量方法的详细信息，以便能够评估地面无线电中继系统和此类系统中使用的设备的基本特性。

Gives standard conditions of measurement and methods of measuring the characteristics common to sub-systems of terrestrial line-of-sight radio-relay systems and to simulated radio-relay systems using frequency modulation. The tests described are limited to analogue transmission systems. Standardizes the conditions and methods of measurement to be used to ascertain the performance of terrestrial radio-relay systems and of the equipment used in such systems, and facilitates the comparison of the results of measurements made by different observers. Contains details of selected methods of making measurements to enable the assessment of the essential properties of a terrestrial radio-relay system and of the equipment used in such systems.