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Could not ping MLAT server, result=-1000, number of errors=2

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  • Could not ping MLAT server, result=-1000, number of errors=2

    Good morning,

    Since yesterday I see a lot of the following errors:

    Code:
    Code:
    2021-11-29 10:11:15 | [mlat][i]Registering MLAT station: SUCCESS
    
    2021-11-29 10:11:15 | [mlat][i]Registering MLAT station
    
    2021-11-29 10:11:15 | [mlat][i]Configuring UDP connection udp://mlat-1.fr24.com:19788
    
    2021-11-29 10:11:14 | [mlat][i]Terminating connection
    
    2021-11-29 10:11:14 | [mlat][w]Could not ping MLAT server, result=-1000, number of errors=2
    
    2021-11-29 10:11:14 | [mlat][i]Pinging the server
    
    2021-11-29 10:11:14 | [mlat][i]No ADS-B time reference available (0/0)
    
    2021-11-29 10:10:58 | [feed][n]syncing stream result: 1
    
    2021-11-29 10:10:58 | [mlat][i]No ADS-B time reference available (0/0)
    
    2021-11-29 10:10:57 | [feed][n]ping 3
    
    2021-11-29 10:10:47 | info | [stats]sent 88 bytes
    
    2021-11-29 10:10:42 | [mlat][w]Could not ping MLAT server, result=-1000, number of errors=1
    The diagnostics are ok
    Code:
    Code:
    pi@raspberrypiwatch:~ $ fr24feed-status
    [ ok ] FR24 Feeder/Decoder Process: running.
    [ ok ] FR24 Stats Timestamp: 2021-11-29 09:21:56.
    [ ok ] FR24 Link: connected [UDP].
    [ ok ] FR24 Radar: T-ODSQ5. [ ok ] FR24 Tracked AC: 0.
    [ ok ] Receiver: connected (2610 MSGS/0 SYNC).
    [ok ] FR24 MLAT: ok [UDP].
    [ ok ] FR24 MLAT AC seen: 0.
    
    dig: mlat-1.fr24.com. 3212 IN A 185.218.24.26
    
    ping mlat-1.fr24.com
    PING mlat-1.fr24.com (185.218.24.26) 56(84) bytes of data.
    ^C
    --- mlat-1.fr24.com ping statistics ---
    5 packets transmitted, 0 received, 100% packet loss, time 138ms
    is that ping error expected behaviour?

  • #2
    Hey there!
    Please put the full output of running both commands:
    tail -50 /var/log/fr24feed/fr24feed.log
    cat /etc/fr24feed.ini


    Please note that your sharing key may be shown so if posting here, just replace it with XXXXXX as the key should not be disclosed publicly.
    You can also submit the info directly by email so we can take a look, as this process is a bit faster to get some help: support@fr24.com

    Thanks!

    Comment


    • #3
      Guest Hi,

      Thanks for picking this up, here you go.

      tail -50 /var/log/fr24feed/fr24feed.log
      Code:
      2021-12-09 13:50:56 | info | [stats]sent 67 bytes
      2021-12-09 13:50:58 | [feed][n]ping 8
      2021-12-09 13:50:59 | [feed][n]syncing stream result: 1
      2021-12-09 13:51:02 | [mlat][i]No ADS-B time reference available (0/0)
      2021-12-09 13:51:04 | [mlat][i]Pinging the server
      2021-12-09 13:51:04 | [mlat][i]Stats 1056080/0
      2021-12-09 13:51:12 | [mlat][i]No ADS-B time reference available (0/0)
      2021-12-09 13:51:22 | [mlat][i]No ADS-B time reference available (0/0)
      2021-12-09 13:51:24 | [mlat][i]Pinging the server
      2021-12-09 13:51:24 | [mlat][i]Stats 1056080/0
      2021-12-09 13:51:28 | [feed][n]ping 9
      2021-12-09 13:51:29 | [feed][n]syncing stream result: 1
      2021-12-09 13:51:53 | [mlat][i]No ADS-B time reference available (0/0)
      2021-12-09 13:51:58 | [feed][n]ping 10
      2021-12-09 13:51:59 | [feed][n]syncing stream result: 1
      2021-12-09 13:52:09 | [mlat][i]No ADS-B time reference available (0/0)
      2021-12-09 13:52:09 | [mlat][i]Pinging the server
      2021-12-09 13:52:09 | [mlat][w]Could not ping MLAT server, result=-1000, number of errors=1
      2021-12-09 13:52:18 | [feed][i]sent 1,0 AC
      2021-12-09 13:52:19 | [feed][i]filtering out 2 overlapping AC (saving bandwidth)
      2021-12-09 13:52:25 | [feed][i]sent 0,1 AC
      2021-12-09 13:52:25 | [mlat][i]No ADS-B time reference available (0/0)
      2021-12-09 13:52:34 | [feed][i]sent 0,1 AC
      2021-12-09 13:52:40 | [feed][i]sent 0,1 AC
      2021-12-09 13:52:41 | [mlat][i]No ADS-B time reference available (0/1)
      2021-12-09 13:52:41 | [mlat][i]Pinging the server
      2021-12-09 13:52:41 | [mlat][w]Could not ping MLAT server, result=-1000, number of errors=2
      2021-12-09 13:52:41 | [mlat][i]Terminating connection
      2021-12-09 13:52:42 | [mlat][i]Configuring UDP connection udp://mlat-1.fr24.com:19788
      2021-12-09 13:52:42 | [mlat][i]Registering MLAT station
      2021-12-09 13:52:43 | [mlat][i]Registering MLAT station: SUCCESS
      2021-12-09 13:52:45 | [mlat][i]Received ADS-B time references AC:
      2021-12-09 13:52:45 | [mlat][i] 394A63
      2021-12-09 13:52:46 | [mlat][i]Pinging the server
      2021-12-09 13:52:46 | [mlat][i]Stats 1057204/1057204
      2021-12-09 13:52:51 | [feed][i]sent 0,1 AC
      2021-12-09 13:52:57 | [feed][i]sent 0,1 AC
      2021-12-09 13:53:03 | [feed][i]sent 0,1 AC
      2021-12-09 13:53:06 | [mlat][i]Pinging the server
      2021-12-09 13:53:06 | [mlat][i]Stats 1057204/0
      2021-12-09 13:53:08 | [feed][i]sent 0,1 AC
      2021-12-09 13:53:14 | [feed][i]sent 0,1 AC
      2021-12-09 13:53:21 | [feed][i]sent 0,1 AC
      2021-12-09 13:53:25 | [mlat][i]No ADS-B time reference available (0/0)
      2021-12-09 13:53:26 | [mlat][i]Pinging the server
      2021-12-09 13:53:26 | [mlat][i]Stats 1057204/0
      2021-12-09 13:53:27 | [feed][i]sent 1,0 AC
      2021-12-09 13:53:34 | [feed][i]sent 1,0 AC
      2021-12-09 13:53:35 | [mlat][i]No ADS-B time reference available (0/0)
      2021-12-09 13:53:49 | [feed][i]sent 1,0 AC
      cat /etc/fr24feed.ini
      Code:
      receiver="beast-tcp"
      fr24key="xxxxx"
      host="127.0.0.1:30005"
      bs="no"
      raw="yes"
      logmode="1"
      windowmode="0"
      logpath="/var/log/fr24feed"
      mpx="no"
      mlat="yes"
      mlat-without-gps="yes"

      thanks again
      Mike

      Comment


      • #4
        Hi Mike,

        We dont allow MLAT with anything other than DVB-T receivers. Reconfigure your fr24feed.ini file and select "no" for the last two MLAT options.

        Reboot and report back.

        Thanks!

        Gordon
        Flightradar24

        Comment


        • #5
          Gordon Hi Gordon,

          I have a DVB-T received connected to my Raspberry. So shall I still disable it, because I can see MLAT messages/events.
          So may be the receiver typ is not correct, although working

          "TV Stock USB 2.0 DVB-T+DAB+FM+RTL2832U+FC0012 Chip "

          Comment


          • #6
            In that case, log into the web interface and change your settings accordingly.

            Comment


            • #7
              "TV Stock USB 2.0 DVB-T+DAB+FM+RTL2832U+FC0012 Chip "


              if it truly is a Fc0012 tuner chip

              Stop wasting time.

              It won't receive anything other than fed back mlat data from other service providers. And no local data at all.
              Posts not to be taken as official support representation - Just a helpful uploader who tinkers

              Comment


              • #8
                thanks, resolved

                Comment

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