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Old 04-22-2020, 11:16 AM   #46
ljqcn101
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There're other programs that can help you if you want your uboat moving all the time. Those are generally speaking TMA methods.

The Maneubo, if you're comfortable with clicking and setting numbers in a UI: http://www.adammil.net/Maneubo/

Or some TMA calculators, if you're comfortable with typing numbers in a console:

Last edited by ljqcn101; 04-30-2020 at 03:52 AM.
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Old 04-26-2020, 05:51 AM   #47
ljqcn101
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Quote:
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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Old 04-26-2020, 09:13 AM   #48
Pisces
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It can be used to predict the 4th 'imaginary' bearing. But the plot it provides falls apart if you are moving. You would need to plot your predicted position along the old course for the 4th instant and draw it on the map yourself anyway. Then find the intersection with the bearing from your actual position.
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Old 04-26-2020, 09:56 AM   #49
ljqcn101
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Yes exactly. If someone wants to save time by using the hydrophone tracker to get the 4th 'imaginary' bearing then he/she could work this way.

When ownship is constantly moving, the plot this program provides can be deemed as a relative motion plot, which is also useful in a Maneuvering Board if someone wants to try out the historical 2x3 bearing method (https://www.subsim.com/radioroom/sho...d.php?t=240739), but it could be more time consuming too.

Anyways just some of the many ways to do TMA.
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