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。
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。
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