This tutorial has been updated with labelled diagrams as well as appendices describing some other uses for the SACF to help calculate convoy width and aspect ratio.
You can get it from my filefront in my sig, and hitman, if you are interested would you like the updated version?
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"Enemy submarines are to be called U-Boats. The term submarine is to be reserved for Allied under water vessels. U-Boats are those dastardly villains who sink our ships, while submarines are those gallant and noble craft which sink theirs." Winston Churchill
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