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车载GPS接收机静止时如何定位？
<P>各位DX，小弟刚接触GPS。</P><P>最近弄了个CF卡式的接收机，有个问题想问大家，用GPSView看到信号，但为什么没有经纬度，为什么要汽车开动后才能定位？不是串口已经一直有数据吗？</P><P>谢谢高手答复...
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2005-08-11 14:40
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全球定位系统 (GPS)
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