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    DCS F-5E radar

    Awhile ago I made a post about the inaccuracies of the simulated AN/APQ-159.

    -The Clutter points are all the same size, shape and intensity
    -No Chaff or cloud clutter
    -Theres no CRT glow effect
    -The return of any aircraft is the same. (RCS isn't factored in the render)
    -I dont think there is a 'visible beam sweep', but it only looks like there is one because of the azmiuth scan sweeping across clutter (if that makes sense) (heres what I'm takling about http://i.imgur.com/XXNjD6e.gifv it only looks like a visible line but only because our brains interpret the line. But in places where theres no clutter you shouldn't see the bar.

    You can only see one sweeping bar in all the APQ-159 images, but it may just be clutter being highlighted at that moment.


    This is what I think the APQ-159 should look like, based on the above images.
    At that point, I had no footage of the real radar in action.

    However, thanks to a member of our community, I have acquired some actual footage of the F-5's radar.

    AN/APQ-153 radar


    Taken from an "F-5E produced in 1974/1975".
    I believe we are seeing the radar being operated on the ground, hence the intensity of the clutter.

    A lack of clutter, say in a look-up scnario, should look something like this.

    AN/APQ-120 radar


    I hope to see this revisited by the devs at some point.
    Last edited 05-03-2018, 02:14 PM.

    #2
    +1. I would absolutely love to see some accurately rendered radar and it's pretty poorly simulated thus far. I'd even be happy with better cheating on the filters and just a messy more cluttered natural look.
    The contacts are given a straight forward and simple filter, the module knows they exist and chooses to show them at predefined range and aspect. RCS exists but I've not noticed too much effect.

    Radar needs to have at least some better noise on it, to make it look like a radar screen not a crisp arcade like display.

    On the clouds issue, this is a problem because there is no multiplayer sync on individual clouds so you would get different effects for two people side by side, same as when you enter one and wingman doesn't.

    There's a lot of issues with displays in general. Things like in the FLIRs (when they work) it's just a camera shot with a filter. But you don't even see the sun on those. DCS needs a tidy up here as there are serious immersion killers.
    Last edited 05-02-2018, 09:43 PM.
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      #3
      The link to the radar gif is broken, here's a functioning one

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        #4
        +1

        The grid in radar scope looks more brownish aswell. Hope that Belsimtek will revisit and update radar representation.

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          #5
          Originally posted by Lucas_From_Hell View Post
          The link to the radar gif is broken, here's a functioning one

          Thanks, I corrected it

          Originally posted by Pikey View Post
          +1. I would absolutely love to see some accurately rendered radar and it's pretty poorly simulated thus far. I'd even be happy with better cheating on the filters and just a messy more cluttered natural look.
          The contacts are given a straight forward and simple filter, the module knows they exist and chooses to show them at predefined range and aspect. RCS exists but I've not noticed too much effect.

          Radar needs to have at least some better noise on it, to make it look like a radar screen not a crisp arcade like display.

          On the clouds issue, this is a problem because there is no multiplayer sync on individual clouds so you would get different effects for two people side by side, same as when you enter one and wingman doesn't.

          There's a lot of issues with displays in general. Things like in the FLIRs (when they work) it's just a camera shot with a filter. But you don't even see the sun on those. DCS needs a tidy up here as there are serious immersion killers.
          So here's an idea. Why not use the Air to Ground API ED is working on for simulating pulsed radar operation. Real beam mapping modes are essentially just pulse only waveforms (LPRF) with pulse compression.

          Just adjust the following parameters

          -range resolution
          -Azimuth resolution (radar beamwidth)

          and point the beam up instead of down. That way you have realistic ground clutter in the scope.
          Last edited 05-03-2018, 02:24 PM.

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            #6
            +1! great infos and suggestions, as always. thank you!

            let's hope belsimtek can find some time in the future, to update the RWR and radar...
            My personal wishlist after 2 years with dcs: https://forums.eagle.ru/showthread.php?t=216873

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              #7
              I understand BST is busy with the F-18 and I’m completely fine with that, would love if after there done with that if they can implement this stuff and some of the other things yet to be done.
              I was inverted B)

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                #8
                Adding to watchlist

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                  #9
                  Originally posted by twistking View Post
                  let's hope belsimtek can find some time in the future, to update the RWR and radar...
                  There is something that can be done quickly ( I think )

                  It seems that you can see handoff only if you press the "unknown" button... wich is weird since there "IS" an handoff button!

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                    #10
                    hi

                    i need the F-5e helios profile to export the radar on exteral screen

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                      #11
                      Has the radar been fixed yet or is it still the same?

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                        #12
                        Still the same...
                        Though if it's only for aesthetics purposes, a little bit of photoshop should do the trick. AFAIK the B-sweep is a .TGA.
                        Getting it to sweep across the whole screen should be good too, but I guess there's also a .lua to edit...
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                          #13
                          Nice video here with a (very) few seconds of radar usage


                          https://youtu.be/zJkTFym_e58?t=2172

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                            #14
                            +1 More accuracy would be always welcome.

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                              #15
                              Originally posted by dolfo View Post
                              Nice video here with a (very) few seconds of radar usage


                              https://youtu.be/zJkTFym_e58?t=2172
                              Awesome video, besides the radar footage. Thx for sharing
                              Good show of the radar at 14m19 too (inclucing lock)
                              Last edited 04-24-2019, 12:25 PM.
                              - Jack of many DCS modules, master of none.
                              - Personal wishlist: F-15A, F-4S Phantom II, JAS 39A Gripen, SAAB 35 Draken, F-104 Starfighter, Panavia Tornado IDS.


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                                #16
                                Amazing! Beamscanner, are u watching this? Rare stuff!

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                                  #17
                                  Another great look at the radar scope in operation
                                  at 14:15min mark.

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                                    #18
                                    +1
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                                      #19
                                      That's a great video. Those Swiss must know a bit about operating fast jets in the mountains, lucky devils such a beautiful country.
                                      Last edited 06-29-2019, 12:02 PM.

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                                        #20
                                        Any updates to this? It's been a long time.

                                        Then again, I feel that way about a couple other things on the F-5E.

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