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Online but no data - dump1090 problem?

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  • Online but no data - dump1090 problem?

    Hi to everyone,

    first of all I'd like to say that I just bought a set of raspberry pi, antenna etc. and followed all the steps described on https://www.flightradar24.com/build-your-own. I just use the raspberry only to feed data to flighradar and for nothing else. But since day one the raspberry doesn't feed any data. I tried to solve the problem on my own using help tutorials here and on other websites but as a total noob to the raspberry/ Linux environment and with english not being my mother tongue I'm really lost at all. So sorry in advance for any stupid questions.

    What have I done so far or what could be the problem? Well I think it it is related to dump1090. When I use Putty and type in the comand sudo fr24feed-status this is now shown:

    Code:
    pi@raspberrypi:~ $ sudo fr24feed-status
    [ ok ] FR24 Feeder/Decoder Process: running.
    [ ok ] FR24 Stats Timestamp: 2020-05-17 14:47:34.
    [ ok ] FR24 Link: connected [UDP].
    [ ok ] FR24 Radar: T-EDDP187.
    [ ok ] FR24 Tracked AC: 0.
    [FAIL] Receiver: down ... failed!
    [ ok ] FR24 MLAT: ok [UDP].
    [ ok ] FR24 MLAT AC seen: 0.
    I'd like to say that sometimes the FAIL in Receiver is not shown and it works fine. Sometimes also MLAT ist failing but it often works.

    When type in the comand dump1090-mutability it comes to this:

    Code:
    Sun May 17 15:35:14 2020 BST EB_SOURCE EB_VERSION starting up.
    Using sample converter: UC8, integer/table path
    Found 1 device(s):
    0: Realtek, RTL2838UHIDIR, SN: 00000001 (currently selected)
    usb_claim_interface error -6
    Error opening the RTLSDR device: Device or resource busy
    When I use the comand htop I see, that two dump1090-mutability items are running. The same problem is described in this thread: https://forum.flightradar24.com/foru...erface-error-6

    But even following the steps there the problem still exists.

    I also tried to solve the problem and created a new blacklist file in /etc/modprobe.d follwing the instructions on: http://www.satsignal.eu/raspberry-pi...-after-upgrade

    But it also didn't work. I think the problem also is that I have absolutely no clue how these things work and with changing any settings in my raspberry I maybe make things worse. Anyway, I would be really thankful if anyone can help me with this maybe saying step by step what to do.

  • #2
    Get a proper power supply.

    Also install dump1090-fa so you have better logging (it's just a decoder, no feed client)
    https://github.com/wiedehopf/adsb-wi...Debug-commands
    https://github.com/wiedehopf/adsb-sc...for-dump1090fa

    Comment


    • #3
      Thank you very much for your response. Well I did install dump1090-fa and did everything as described on your website. Maybe it's interesting for you (and me), this is the logfile:

      Code:
      pi@raspberrypi:~ $ sudo journalctl --no-pager -u dump1090-fa
      -- Logs begin at Thu 2019-02-14 10:11:59 GMT, end at Sun 2020-05-17 20:13:32 BST. --
      May 17 19:46:41 raspberrypi systemd[1]: Started dump1090 ADS-B receiver (FlightAware customization).
      May 17 19:46:42 raspberrypi dump1090-fa[523]: Sun May 17 19:46:42 2020 BST dump1090-fa 3.8.1 starting up.
      May 17 19:46:42 raspberrypi dump1090-fa[523]: rtlsdr: using device #0: Generic RTL2832U OEM (Realtek, RTL2838UHIDIR, SN 00000001)
      May 17 19:46:42 raspberrypi dump1090-fa[523]: Found Fitipower FC0012 tuner
      May 17 19:46:42 raspberrypi dump1090-fa[523]: rtlsdr: enabling tuner AGC
      May 17 19:46:42 raspberrypi dump1090-fa[523]: [FC0012] no valid PLL combination found for 1090000000 Hz!
      May 17 19:46:42 raspberrypi dump1090-fa[523]: Allocating 4 zero-copy buffers
      May 17 19:48:24 raspberrypi dump1090-fa[523]: Sun May 17 19:48:24 2020 BST Caught SIGTERM, shutting down..
      May 17 19:48:24 raspberrypi systemd[1]: Stopping dump1090 ADS-B receiver (FlightAware customization)...
      May 17 19:48:24 raspberrypi dump1090-fa[523]: Sun May 17 19:48:24 2020 BST Waiting for receive thread termination
      May 17 19:48:25 raspberrypi dump1090-fa[523]: Sun May 17 19:48:25 2020 BST Normal exit.
      May 17 19:48:25 raspberrypi systemd[1]: dump1090-fa.service: Succeeded.
      May 17 19:48:25 raspberrypi systemd[1]: Stopped dump1090 ADS-B receiver (FlightAware customization).
      May 17 19:48:25 raspberrypi systemd[1]: Started dump1090 ADS-B receiver (FlightAware customization).
      May 17 19:48:26 raspberrypi dump1090-fa[664]: Sun May 17 19:48:26 2020 BST dump1090-fa 3.8.1 starting up.
      May 17 19:48:26 raspberrypi dump1090-fa[664]: rtlsdr: using device #0: Generic RTL2832U OEM (Realtek, RTL2838UHIDIR, SN 00000001)
      May 17 19:48:26 raspberrypi dump1090-fa[664]: Found Fitipower FC0012 tuner
      May 17 19:48:26 raspberrypi dump1090-fa[664]: rtlsdr: enabling tuner AGC
      May 17 19:48:26 raspberrypi dump1090-fa[664]: [FC0012] no valid PLL combination found for 1090000000 Hz!
      May 17 19:48:26 raspberrypi dump1090-fa[664]: Allocating 4 zero-copy buffers
      May 17 20:05:19 raspberrypi dump1090-fa[664]: Sun May 17 20:05:19 2020 BST Caught SIGTERM, shutting down..
      May 17 20:05:19 raspberrypi systemd[1]: Stopping dump1090 ADS-B receiver (FlightAware customization)...
      May 17 20:05:19 raspberrypi dump1090-fa[664]: Sun May 17 20:05:19 2020 BST Waiting for receive thread termination
      May 17 20:05:20 raspberrypi dump1090-fa[664]: Sun May 17 20:05:20 2020 BST Normal exit.
      May 17 20:05:20 raspberrypi systemd[1]: dump1090-fa.service: Succeeded.
      May 17 20:05:20 raspberrypi systemd[1]: Stopped dump1090 ADS-B receiver (FlightAware customization).
      May 17 20:05:20 raspberrypi systemd[1]: Started dump1090 ADS-B receiver (FlightAware customization).
      May 17 20:05:21 raspberrypi dump1090-fa[1181]: Sun May 17 20:05:21 2020 BST dump1090-fa 3.8.1 starting up.
      May 17 20:05:21 raspberrypi dump1090-fa[1181]: rtlsdr: using device #0: Generic RTL2832U OEM (Realtek, RTL2838UHIDIR, SN 00000001)
      May 17 20:05:21 raspberrypi dump1090-fa[1181]: Found Fitipower FC0012 tuner
      May 17 20:05:21 raspberrypi dump1090-fa[1181]: rtlsdr: tuner gain set to 19.2 dB
      May 17 20:05:21 raspberrypi dump1090-fa[1181]: [FC0012] no valid PLL combination found for 1090000000 Hz!
      May 17 20:05:21 raspberrypi dump1090-fa[1181]: Allocating 4 zero-copy buffers
      May 17 20:13:00 raspberrypi dump1090-fa[1181]: Sun May 17 20:13:00 2020 BST Caught SIGTERM, shutting down..
      May 17 20:13:00 raspberrypi systemd[1]: Stopping dump1090 ADS-B receiver (FlightAware customization)...
      May 17 20:13:00 raspberrypi dump1090-fa[1181]: Sun May 17 20:13:00 2020 BST Waiting for receive thread termination
      May 17 20:13:01 raspberrypi dump1090-fa[1181]: Sun May 17 20:13:01 2020 BST Normal exit.
      May 17 20:13:01 raspberrypi systemd[1]: dump1090-fa.service: Succeeded.
      May 17 20:13:01 raspberrypi systemd[1]: Stopped dump1090 ADS-B receiver (FlightAware customization).
      May 17 20:13:01 raspberrypi systemd[1]: Started dump1090 ADS-B receiver (FlightAware customization).
      May 17 20:13:01 raspberrypi dump1090-fa[1544]: Sun May 17 20:13:01 2020 BST dump1090-fa 3.8.1 starting up.
      May 17 20:13:01 raspberrypi dump1090-fa[1544]: rtlsdr: using device #0: Generic RTL2832U OEM (Realtek, RTL2838UHIDIR, SN 00000001)
      May 17 20:13:02 raspberrypi dump1090-fa[1544]: Found Fitipower FC0012 tuner
      May 17 20:13:02 raspberrypi dump1090-fa[1544]: rtlsdr: tuner gain set to 19.2 dB
      May 17 20:13:02 raspberrypi dump1090-fa[1544]: [FC0012] no valid PLL combination found for 1090000000 Hz!
      May 17 20:13:02 raspberrypi dump1090-fa[1544]: Allocating 4 zero-copy buffers
      Do you really think my power supply is to weak? I just use a set of raspberry with an ordinary ads-b usb dongle with an indoor antenna as described on the fr24 website.

      Comment


      • #4

        Found Fitipower FC0012 tuner

        Not the right dvbt stick type
        Posts not to be taken as official support representation - Just a helpful uploader who tinkers

        Comment


        • #5
          Okay, so the usb stick does not work for f24. Do you have a recommendation? And, one more noob question, do I just have to replace the usb stick and then it should work?

          Comment


          • #6
            Most of such problems are either due to bad power supply or bad dongle or bad USB cable (if used to connect dongle to Pi).
            Replacing one version of dump1090 by another version of dump1090 does not solve these problems.

            I use FlightAware's ProStick Plus and Radarbox24's FlightStick. They both are OK.
            If you want cheaper one, search for RTL2832U + R820T2 on eBay (Buy only the one which clearly specifies it has both the chips RTL2832U and R820T2)



            Apparently your only problem is the dongle. If you just replace the stick, your system should work.

            DSC_0955_500x.jpg?v=1561293178.jpg



            IMG_2338_large.jpg?v=1544334176.jpg


            s-l1600.jpg
            Last edited by abcd567; 2020-05-18, 06:31.

            Comment

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