Problems with the definition of the course objectives

[Strago]

Hello friends submariners! There are problems with the definition of the course on the hydrophone. Use the DF for 4 points. After 45 minutes, the goal disappears. Keep track of merchant ship, what would you advise?

http://i12.pixs.ru/storage/5/1/0/Bezimyanni_3925220_27374510.jpg

[THEBERBSTER]

A Warm Welcome To The Subsim Community >Strago
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After 45 minutes, the goal disappears. Lost contact.

1. Contact was moving away from you.
2. You repositioned away from the contact.
3. Take bearings not less than every 15 to 20 minutes will give you an idea of the direction the contact is heading.
Post #57 Using The 4 Bearing True Method By Trevally (http://www.subsim.com/radioroom/showpost.php?p=2194278&postcount=57)
Post #21 4 Bearing Method By Kuikueg + Video Links (http://www.subsim.com/radioroom/showpost.php?p=2184956&postcount=22)