Unverified80% confidenceDecision RuleTime unknown
部分入门AIS接收机需外接GPS才显示本船位置和相对方位，选购时确认是否内置GPS天线，无内置GPS的机型需额外接海图仪或GPS源才能计算CPA/TCPA碰撞预警
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
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Unverified内置GPS可自动将位置信息发送至DSC求救信号中，省去外接GPS的布线麻烦，适合小型船只简化安装83% similarPartially Verified内置GPS使其可直接发送含坐标的DSC遇险呼叫，无需外接GPS设备，对小型船只来说大幅简化安装82% similarUnverified内置GPS与D类DSC集成度高，无需外接GPS即可发送含位置信息的遇险呼叫，适合追求简单安装的船主82% similarUnverified内置GPS天线适合简单安装，但如果安装位置GPS信号受遮挡（如金属船舱内），需外接GPS天线才能保证定位精度和发射正常82% similarUnverifiedGPS天线为外接式，安装时需要在船上找到天线具备清晰天空视野的位置并布线，安装复杂度高于内置GPS的一体机方案81% similar
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