Yeah, did some further research. The Japanese threw the E27 radar detector, often paired with the model 3 on everything from subs to carriers. The E27 was
definitely capable of determining direction.
Might want to look here from page 333 to 335:
https://books.google.com/books?id=dP...ceiver&f=false
Historical facts aside.
Every sensor is directional in the game whether it should be or not. For example, the SD radar is not directional, but still gives bearing data. It's certainly just a game engine limitation.