高精度室外定位
参考资料
https://www.pix4d.com/blog/rtk-ppk-drones-gcp-comparison
https://community.emlid.com/c/navio/hardware
https://docs.emlid.com/navio/navio+/ardupilot/hardware-setup/
https://wiki.openstreetmap.org/wiki/RTKLIB-compatible_GPS_devices
Rtklib
U-blox M8P-02-11
http://www.comnav.cn/p_1029.html
http://www.highgain.com.cn/product/63.html
http://www.starneto.com/index.php?m=content&c=index&a=show&catid=9&id=161