GPSMAP76??????????12????????????WAAS????????GPS??????????????????????????????????????????????????,???????????????????????GPS?????????????????????????????????? ?? ??????????????о???????????????????????????? ?? ?????????????????????????????? ?? ?????????6cm??4.5cm??????????????180??240????????? ?? ????????MAP76???32M??棬??????????????·?????????87?????????????????????????? ?? λ??????????в??????λ?ù??????????λ????????? ?? ????????WGS84??γ??????????????????????????
????????? ?? · ??999???????????????????????? ?? ?????50?????????????????50?????? ?? ?????????????????????????9?????? ?? ???????87?????е??????????·???
????????? ?????? 6cm??4.5cm???????? ?? ?? ???180??240 ?? ?磺3.0cm??6.9cm??15.75cm ?? ????210?? ?? ??????????? ????Χ??-15??70?? ????????? ?? ?? ????????12??? ??λ??????????15?? ???????45?? ????????λ??2???????? ??????£?1??/?????? λ?t????10????????? RMS ???????? 1-5???????λ?? RMS ???????0.05??/??????? ?????壺NMEA 0183??RTCM 104??????DGPS?? ????????RS-232 PC????? ?? ??? ?? ???2??5??????? ?????????16С?????????? ???????8~35V ???
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