So the EME elevation system is now complete. The control system was able to be simplified due to using the accelerometer as the elevation feedback. This is an update to the Original EME Elevation Article.
You can see how the system assembles in the above picture, as the Jackarm extends the upright moves. The antenna mounts on the pole above the hinge with the antenna running left to right (left is front, right is the back).
The simple control unit with a mouse for up and down.