KML Generator is a  free online tool that converts the signal coverage analysis files generated by  an HD RANGER field strength meter (in XML format) into KML files that can be opened  in Google Earth and Google Earth Pro..
The system provides  several options to convert the test points into 3D graphs, classic markers over the map or even to overlay a graphical curve.
KML Generator does  not require to be installed in the computer as it runs on the cloud and can be  used from any computer connected to the Internet.
https://www.promaxelectronics.com/tools/kml-generator