I made this to help me visualise a number of things, here it is! Reddit post with video https://www.reddit.com/r/amateurradio/comments/1ifuosb/visualiser_for_smith_chart_and_rx_plane Direct link https://g1ojs.github.io/G1OJS-MR300-SARK100-Firmware/GeometricRouteToLoadImpedance/#visualiser