How do you Get Accurate Range with No Map Contacts On

[Michael13]

Originally Posted by Maki4444

Great job Jason, can't wait for it I generally have the feeling that all of these methods while in fact correct weren't used in real life and that subs relied mainly on radio contact reports. Just look at Das Boot or read Iron Coffins, there is no mention of a sub laying low listening to the hydro and then you know just triangulating the course :P

Well, they was, but they made it by different way. Pursuing ships/convoys whole day (sometimes few days) at safe distance, watching their behavior, calculating average speed and course and etc.