能实现GPS伪距单点定位，包括文件的读写、误差改正、卫星位置、钟差的计算，以及最终伪距定位的实现。误差在10m以内,Can achieve single-point pseudorange GPS positioning, including reading and writing files, error correction, satellite position, clock bad calculation, and finally achieve pseudorange position

差分伪距修正算法。应用于GPS导航的伪距差分算法，包含基准站、用户站的具体算法-Differential pseudorange correction algorithm. For GPS navigation pseudo-range differential algorithm, including the base station, subscriber station specific algorithm