Are you wondering what is the palette,<x> and <y> for a specific symbol for Google Earth? GE-symbols is an online tool that will give you these values and a KML example file.
Library with numeric symbols for Google Earth. If you need more icons with numbers, this online tool will give you the reference needed for accessing zonums symbols. Palette,<x> and <y> for a specific symbol and a KML example file.
Extract XYZ coordinates from GE. Create circles, multiple rings, paths, polygons, cross sections. Export data to TXT, CSV, DXF, SHP and INP. Copy/paste to Excel.
Transform GIS layers into Google Earth features. Convert ESRI shapefiles to KML format. shp2kml supports lat/lon and UTM coordinates systems, also datum shifting.