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Archived - Beta test MLAT software for Raspberry Pi

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  • #46
    Ok. Nice to hear.

    I'm expecting news soon

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    • #47
      Keeping my feed data quality and monitoring my coverage area purpose, I use adsbscope software. but, since this release, port 30002 output look like become disabled.
      somebody knows this solutions?

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      • #48
        Regarding "mlat-problem" - we decided to leave this parameter saving the last occurred error (for further diagnostics).
        Please rely on this output (if MLAT is "ok", then your software sends the data to our servers):
        Code:
        [ ok ] FR24 MLAT: ok [UDP].
        [ ok ] FR24 MLAT AC seen: NN.
        "mlat-problem" is not propagated to the status command output, so normally you won't see it.

        30002 port behavior hasn't changed, have you enabled it in the --signup wizard?

        Regarding SYNC statistics - that's internal hardware-related parameter, it doesn't apply to Raspberry Pi, so expect it to always be 0.

        I would like to thank everybody who participates in beta testing. The data we received already gives us a great opportunity to improve the algorithms, we are working on it.

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        • #49
          adding

          procargs="--net"

          to /etc/fr24feed.ini should reactivate the port.

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          • #50
            yes I did
            fr24feed.ini is like this

            receiver="dvbt"
            fr24key="xxxxxxxxxxxxxx"
            path="/usr/lib/fr24/dump1090"
            bs="no"
            raw="yes"
            logmode="2"
            procargs="--net --aggressive --ppm 10 --gain 49.6"
            logpath="/var/log"
            mlat="yes"
            mlat-without-gps="yes"

            adsbscope connect to 30002 port, but no data flow

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            • #51
              no way to run MLAT on old Pi B due to hardware limitation? or adoption for Raspberry B is to be done in the near future?

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              • #52
                Originally posted by hotaka View Post
                Keeping my feed data quality and monitoring my coverage area purpose, I use adsbscope software. but, since this release, port 30002 output look like become disabled.
                somebody knows this solutions?
                config the adsbscope raw data client port to 30005 , and pick data format as normal .
                T-ZSSS32 F-ZSSS1 force shutdown by local regulation

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                • #53
                  adsbscope.jpg


                  to hotaka
                  T-ZSSS32 F-ZSSS1 force shutdown by local regulation

                  Comment


                  • #54
                    Originally posted by iamnothere View Post
                    [ATTACH=CONFIG]6222[/ATTACH]


                    to hotaka
                    Thank you, it's working

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                    • #55
                      Hi, a few questions:

                      1. Im using a Raspi 1 atm. will it benefit when using a Raspi 2 instead? (CPU usage is always about 50%, there is no multicore support?)
                      2. Some of you are using GPS as timesource, will FR24 benefit from this? What kind of GPS do you use?
                      3. Are there any "tweaks" to the software to get better/more data/range?

                      My range seems to be quite good, atm. since im only indoor with a simple antenne, max. Distance 52nm so far
                      T-EDDC46

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                      • #56
                        Thank you everyone taking part in the beta testing. It's not possible to see it on WWW yet, but I can show you some examples of where Raspberry Pi improved MLAT coverage.

                        FR24 live (coverage lost at 6100 feet)


                        vs Raspberry Pi help (coverage at 3700 feet)


                        FR24 live (coverage lost at 6000 feet)


                        vs Raspberry Pi help (coverage at 3900 feet)


                        We hope to be able to put the data live on FR24 next week!

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                        • #57
                          And here is a global screenshot of all MLAT aircraft that right now (14:01 UTC) are not tracked on FR24 live, but could be tracked thanks to Raspberry Pi feeders.

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                          • #58
                            Wow, that's a lot of extra aircraft! Looks like this will be a big improvement.

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                            • #59
                              Thanks for the update Mike. It will get better when more knows that they can contribute to MLAT with arm based computers.

                              Comment


                              • #60
                                T-MLAT5
                                4L8Z71D2.jpg
                                T-ZSSS32 F-ZSSS1 force shutdown by local regulation

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