When setting up my Steel Series gauges I couldn't get my wind rose gauge to work, everything else did and all the files were added and then I saw this at the bottom of the wxssgauges.php page.
<!--Optional Wind Rose scripts -->
<script src="'.$ssgDir.'scripts/windrose.js"></script>
<script src="'.$ssgDir.'scripts/RGraph.common.core.min.js"></script>
<script src="'.$ssgDir.'scripts/RGraph.radar.min.js"></script>
';
Once I changed "radar" to "rose" all was good.
Rosalind