The program records the data from a GPS receiver (serial, USB or Bluetooth) converting the NMEA coordinates Latitude / Longitude to KML format used in Google Maps. The data relating to the serial port to be used are stored in the file params.ini edit

MATLAB编写的利用导航电文计算卫星坐标（X,Y,Z）并输出到记事本中。可以读取N文件，同时可以计算坐标(MATLAB uses the navigation message to calculate the satellite coordinates (X, Y, Z) and output them to Notepad. The N file can be read and the coordinates can be calculated)