It seems normal for it to have a low resolution for me and it's great the BeamNavigator actually works now
As I said before, there were some problems I ran into while making sunburst navi, so I didn't bother with it at the moment. Not saying I will not do it, but I got the beam navigator working and the sbr4 navi working too, so I basically covered every car in the game for now. --- Post updated --- Interesting idea, already though about that. I will maybe try something.
From now download is in the repository: http://www.beamng.com/resources/beamnavigator-mod-working-gps.1191/#post-415006