Yes, it didn't receive much attention. Actually, it's been downloaded a 100 times sofar. The steps are explained on the front side. There is not much you can do wrong. But I supose it need some kind of walkthrough.
Unfortuneatly I don't have the time for it. Now less than before, as I'm starting IT courses tomorrow that has top priority. And my Sh3 game is busted at the moment. Need to reinstall it first.
I did write some posts here and there whenever someone mentioned he wanted to close up on a hydrophone only contact, and didn't have a clue how to. And often in relation to Mittelwaechter hydrophone technique. This tool is a shortcut for the initial drawings he does.
http://www.subsim.com/radioroom/showthread.php?t=110619