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 this file (with notepad) to adjust the parameters for your GPS receiver.-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 this file (with notepad) to adjust the parameters for your GPS receiver.