Bill, if you been reading my comments, I think it may be overkill, but here is are systems available today which can do what you want, and it downlinks a bunch of other parameters as well. I think it needs a HUD but it is a start.
Check out,
http://www.eagletreesystems.com/Seagull/seagull.html
http://www.sky-spy.bigstep.com/generic.html?pid=0