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Old 04-26-2020, 05:51 AM   #47
Sailor man
Join Date: Jan 2013
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Originally Posted by Pisces View Post
(There are other 4 bearing methods that work in a different way and can be done moving all the time. See some PDFs in my lowest signature link. They have to be drawn manually on the map, Gutted's program doesn't work like that.)
Gutted's hydrophone tracker can still be used under a constant moving condition in some way. The theory is that, the same formula used to extrapolate the 4th bearing when stationary can also be used when ownship is moving at a constant speed & course.

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