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Old 02-26-18, 01:10 PM   #1
Polak2
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Default TMA ...rather iffy.

Here below is the TMA picture with solution on enemy sub which is traveling course 89 speed 04 and range 9489.

It so happens to be nearly 99% true solution (I used "show truth" to confirm target data and its bearing and position). Moreover target sub has not changed course or speed since beginning of its trackng.

My point is that TMA does not look like conveying this. Stack is all over the place! If I was to try to get this solution just from this TMA alone I think I would be really hard pressed to place target in this very spot. What do you think?

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Old 02-26-18, 03:28 PM   #2
ET2SN
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Its TMA, not radar.

TMA is an estimated position over time based on your and your target's motion.

Travelling at 2 knots isn't doing you too many favors, btw (in terms of TMA). You want larger numbers in terms of bearing spread over the course of a leg.
Speaking of, when you change direction and speed- your TMA crew expects to see some error in the current solution. That's how they refine the solution so it fits better.

Also, remember that TMA is always in the past.

Try this, instead:

-You get your initial contact to the target.
-Maneuver the boat so you can track and close slightly on the target.
-Keep a constant course and speed for a six-to-twelve minute leg.
-Refine your solution.
-Change course by 10 to 15 degrees and/or change speed by +/- 3 knots or so.
-Keep a constant course and speed for another six-to-twelve minute leg.
-Keep refining your solution at the end of each leg.
-Rinse and repeat until you get to your firing point.


Just IMO, I'm more than happy to have a target solution that's within 1,000 yards of the target's actual position. Anything within 2-to-5 thousand yards in terms of accuracy is a shooting solution.
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Old 02-26-18, 04:02 PM   #3
FPSchazly
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Good stuff said above. Note that the TMA generally produces bearings with high rates of error compared to the ship-mounted sensors. Also, you may have been targeting the mirror contact of the submarine or a completely different target altogether. It just does not look like the correct target is being tracked here.
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Old 02-26-18, 04:26 PM   #4
Polak2
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Quote:
Also, you may have been targeting the mirror contact of the submarine or a completely different target altogether. It just does not look like the correct target is being tracked here.
This is precisely my point. It just does not look or feels right. And I am tracking right target and not a mirror contact or any similar ....

Yet I am going/willing spend some more time on this and also take all notes from ET2SN to heart.
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Old 02-27-18, 07:58 AM   #5
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Take notes from everyone.
In the DW forum I'm talking about the game, not real life. A lot of folks have more experience than I do.

DW is one of those rare games that requires experience, intuition, and luck. You need to rely on your gut as much as your brain.

I try to play in a realistic manner. I have my TMA and sonar auto-crew "on" for about 80% of the time. Its my job to put the ship in the right position so those guys can do their thing.

If the solution looks funky, then I'll get more involved.

As you gain more experience, a lot of this stuff will become more automatic.
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Old 02-27-18, 09:47 AM   #6
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Not knowing your specific situation, this may or not help, but it also helps to get the target on as many systems as you can. Broadband (spherical and tail), Active Intercept, Hull arrays. Merge whatever data you are sure are the same source for additional points of data.

Checkout the REDBOOK here on Subsim for a very good description of how to do TMA in DW/Sub Command. It has a lot of tips on how to actually do TMA (i.e. how to manage the boat to improve TMA accuracy), not just how the TMA station works. It is available in the Dangerous Waters downloads section.

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