A radio beacon which transmits nondirectional signals whereby the pilot can use the ADF to determine his bearing to or from the station.
发射无方向信号的无线电信标台。据此飞行员能够用自动定向仪 （ADF ）确定他的背台或向台方位。
Direction finding radio station. Radio beacon can be specified.
定向无线电台。可指定无线电信标。
Direction finding radio station. Radio beacon can be specified.
定向无线电台。可指定无线电信标。
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