单选题
Which signal is detected as originating from a SART?（）
发布日期：2021-03-22
The Morse code distress series S-O-S repeated 3 times followed by DE and the vessel's call sign
A line of blip code on a radar screen outward from the SART's position along its line of bearing
A line of blip code on a radar screen inward from the SART's position to its own ship along its line of bearing
None of these
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