Would like to install a boom height system on our new to us JD 4720. There is no GPS equipment currently installed. From what I've been reading it looks like we should stay away from the Norac. JD system seems to be Raven. Looks like I need a monitor for JD system. Does Raven have a stand alone box?
What about the Rite Height from Greentronics?

Ground is pretty flat. There are no terrices.

What should we put in this sprayer?

TIA