Icon=/usr/share/gpsd/icons/gpsd-logo.png

[erikdubois]

Application name	Icon name	Desktop file name
xgps	/usr/share/gpsd/icons/gpsd-logo.png	xgps.desktop and also xgpsspeed.desktop

[Desktop Entry]
Encoding=UTF-8
Name=xgps
GenericName=GPS information
Comment=Display GPS information from a gpsd daemon
Exec=xgps
Icon=/usr/share/gpsd/icons/gpsd-logo.png
Terminal=false
Type=Application
Categories=Application;Maps;Utility;