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Large INS drift - unusable for preplanned attack without TGP correction


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Posted (edited)
  On 1/31/2025 at 5:36 AM, LastRifleRound said:

I see no reason to re-create the hours of work that would take if the initial input wasn't taken seriously to begin with.

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Tracks can get corrupted with newer versions of DCS, so it is better to make new tracks

Edited by Furiz
Posted (edited)
  On 1/31/2025 at 4:12 PM, Furiz said:

Tacks can get corrupted with newer versions of DCS, so it is better to make new tracks

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I guess anyone interested should have reviewed the tracks the months ago when they were posted. I think we'll just discuss them unless someone wants to pay us for our work.

We'll keep letting people know this stuff doesn't work. If ED wants to confirm it they can re-create the tests. If they think that's too much work, fine. Out of my hands. It's too much work for me, too.

Edited by LastRifleRound
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  • 1 month later...
Posted

So this is the reason why my jdams all excactly land on the same position next to my target and hit nothing? If i slave the tgp to the steerpoint i can see how its not on the target.

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Posted

Yeah that's cause of the INS drift that happens, you can't really count on pre planned attack anymore with JDAMs on given coordinates. I don't know how it was in real life, but JDAMs atm are not fulfilling their purpose. I don't know if FIX would help, didn't get to test that yet.

To refine JDAM accuracy you can use onboard sensors, TGP for example with a 3 to 5 sec lase prior to drop for better ranging information.

Posted
  On 3/1/2025 at 4:43 PM, Furiz said:

I don't know how it was in real life, but JDAMs atm are not fulfilling their purpose.

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My understanding of it is that if a slew is applied to the steerpoint system, the JDAM will use relative targeting on sensor-derived coordinates, but if all slews are Cursor Zeroed, the JDAM should use absolute targeting on steerpoint coordinates (this part being missing in the current implementation).

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REAPER 51 | Tholozor
VFA-136 (c.2007): https://www.digitalcombatsimulator.com/en/files/3305981/
Arleigh Burke Destroyer Pack (2020): https://www.digitalcombatsimulator.com/en/files/3313752/

Posted
  On 3/1/2025 at 4:59 PM, Tholozor said:

 missing in the current implementation).

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That's really nicely formed!
It's a shame, it's 2025,
we have “GPS”, do we really?  No, there are no satellites flying over the flat maps, or are there? How many?  Please.
We have the digital coordinates from the F10 map, in whatever format.  And then entered as GPS, then the offset. When does the fun begin?
More modules, more maps ...
When does the fun begin?

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Posted
  On 3/4/2025 at 2:20 PM, Mapi said:

That's really nicely formed!
It's a shame, it's 2025,
we have “GPS”, do we really?  No, there are no satellites flying over the flat maps, or are there? How many?  Please.
We have the digital coordinates from the F10 map, in whatever format.  And then entered as GPS, then the offset. When does the fun begin?
More modules, more maps ...
When does the fun begin?

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Are you asking if we have GPS? No satellites over flat maps... Are you one of those?

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