I use a similiar method to find range. I have a MILS chart which basically gives me instantaneous range.
I don't know how you guys calculate speed at the last minute without using Pause.
I generally use the matching speed method if I am on the surface. But this depends a lot on the visibility.
__________________
U.Kdt.Hdb B. I. 28) This possibility of using the hydrophone to help in detecting surface ships should, however, be restricted to those cases where the submarine is unavoidably compelled to stay below the surface.
http://www.hackworth.com/
|