I've been thinking of also refunding the F15E since I don't have a lot of faith of it being alive in the near future since the bugs will start to pile up. I've lost all hope since the ED-RAZBAM fiasco
they said they are remodeling the entire radar system to be more accurate to the real one. the current radar system we have in dcs is just a place holder
I would personally stick with the D mode, a lot more simpler.
If you want to bash your head in for the E mode here is an equation for you:
if you use the D mode I normally set it -1 or +1 target alt and I just throw it around from there