这是GPS载波相位测量中要用到的资料，是接收机的观测文件，含有载波相位的信息-This is the GPS carrier phase measurements to be used in data, the receiver observation files containing the information carrier phase

这是gps载波相位测量中文件，是卫星的精密星历文件，可以用来求卫星坐标-This is the gps carrier phase measurement file, the satellite' s precise ephemeris file that can be used to seek satellite coordinates