读取NMEA0183格式，适合做卫星导航读取数据参考，可以用于科研。-Read the NMEA0183 format, suitable for satellite navigation read data reference, can be used in scientific research.

可以分析NMEA0183格式中的GGA数据的静态精度（rms）(Can analyze the static accuracy (rms) of GGA data in NMEA0183 format)