How can vessel personnel detect the operation of a SART in its vicinity?（）<br>A:A unique radar signal consisting of a blip code radiating outward from a SART's position along its line of bearing<br>B:A unique two tone "warbling" signal heard on VHF-FM ch-70<br>C:A unique two tone alarm signal heard upon the automatic unmuting of the 2182 kHz radiotelephone automatic watch receiver<br>D:The SART signal appears as a target which comes and goes; the effect of heavy swells on the SART

How can vessel personnel detect the operation of a SART in its vicinity?（）
A:A unique radar signal consisting of a blip code radiating outward from a SART's position along its line of bearing
B:A unique two tone "warbling" signal heard on VHF-FM ch-70
C:A unique two tone alarm signal heard upon the automatic unmuting of the 2182 kHz radiotelephone automatic watch receiver
D:The SART signal appears as a target which comes and goes; the effect of heavy swells on the SART

出自：海船船员证

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