（多普勒甚高频全向信标）是当今民航最为常用的通信导航设备之一，可以给民航飞行器提供角度信息。
DVOR (Doppler VHF omni-directional Range) is one of the equipments most commonly used in today's civil aviation communications and navigation. It provides the perspective information for the aircraft.
塔康信标台全向发射脉冲幅度调制信号，隐含空中目标相对于信标台的方位和距离信息。
TACAN beacon transmits pulse amplitude modulation signals in all direction, including bearing and distance information relative to the beacon.
塔康信标台全向发射脉冲幅度调制信号，隐含空中目标相对于信标台的方位和距离信息。
TACAN beacon transmits pulse amplitude modulation signals in all direction, including bearing and distance information relative to the beacon.
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