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MLAT & ADS-B time reference errors

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  • Oblivian
    replied
    You should not dmz or pinhole units you have a surveys reason in a high secure setup. It's a high security risk. All ports are requested via an outgoing connection first from app, So are authorised. Opening so many may just cause further issues

    Sent from my XT1092 using Tapatalk

    Leave a comment:


  • Graeme2812
    started a topic MLAT & ADS-B time reference errors

    MLAT & ADS-B time reference errors

    Hi all,
    I think i am having some network issues with successfully connecting the MLAT server.

    I've tried rebooting the system, have placed the localhost IP address in a DMZ on my router, RAW data is set to 'NO' and I only have one version of Dump running as far as I can tell. Appears to be feeding to FR ok according to status page too.

    I've opened the ports 8754,8080,30003,30334,30002,31001-31004,19788 also, however as the localhost is in the DMZ this should not be necessary.

    I've highlighted the areas (i think) that are an issue.

    2016-10-09 14:10:21 | [main][i]DNS mode: LIBC
    2016-10-09 14:10:21 | [main][i]Automatic updates are DISABLED
    2016-10-09 14:10:21 | [httpd][e]bind function failed, errno: 98
    2016-10-09 14:10:21 | [httpd][d]Master thread terminated
    2016-10-09 14:10:21 | [master][i]Starting processing thread
    2016-10-09 14:10:21 | [main][i]Reader thread started
    2016-10-09 14:10:21 | [reader][i]Initializing reader
    2016-10-09 14:10:21 | [reader][i]Connecting to AVR-TCP receiver via (avr-tcp://localhost:30002)
    2016-10-09 14:10:21 | [main][i]MLAT data feed started
    2016-10-09 14:10:21 | [reader][i]Connected to the receiver, configuring
    2016-10-09 14:10:21 | [reader][i]Configured, processing messages
    2016-10-09 14:10:21 | [mlat][i]Waiting for MLAT configuration
    2016-10-09 14:10:21 | [reader][w]Setting new UTC offset: 0!
    2016-10-09 14:10:22 | [time][i]Synchronizing time via NTP
    2016-10-09 14:10:26 | [time][i]Time synchronized correctly, offset +0.0000 seconds
    2016-10-09 14:10:26 | [main][i]Feed Network client started
    2016-10-09 14:10:26 | [feed][i]Downloading configuration
    2016-10-09 14:10:26 | [feed][c]Interval: 5s
    2016-10-09 14:10:26 | [feed][c]Latitude: 56.4986
    2016-10-09 14:10:26 | [feed][c]Longitude: -3.0094
    2016-10-09 14:10:26 | [feed][c]GND: YES
    2016-10-09 14:10:26 | [feed][c]NonADSB: YES
    2016-10-09 14:10:26 | [feed][c]Timestamps: optional
    2016-10-09 14:10:26 | [feed][c]Max range AIR: 350.0nm
    2016-10-09 14:10:26 | [feed][c]Max range GND: 100.0nm
    2016-10-09 14:10:26 | [stats][i]Stats thread started
    2016-10-09 14:10:26 | [feed][i]defined 5 servers
    2016-10-09 14:10:26 | [feed][n]EGPN11@83.140.21.68:8099/UDP
    2016-10-09 14:10:26 | [feed][n]connecting
    2016-10-09 14:10:27 | [feed][n]connected via UDP (fd 8)
    2016-10-09 14:10:27 | [feed][n]working
    2016-10-09 14:10:27 | [feed][i]sent 1,0 AC
    2016-10-09 14:10:27 | [mlat][i]MLAT configuration received, service ENABLED
    2016-10-09 14:10:27 | [mlat][i]Starting MLAT with preconfigured position: 56.50,-3.01,344.0
    2016-10-09 14:10:27 | [mlat][i]MLAT bandwidth reduction active, level 1
    2016-10-09 14:10:27 | [mlat][i]Configuring UDP connection udp://mlat-1.fr24.com:19788
    2016-10-09 14:10:27 | [mlat][i]Registering MLAT station
    2016-10-09 14:10:27 | [mlat][i]Registering MLAT station: SUCCESS
    2016-10-09 14:10:32 | [feed][i]sent 11,0 AC
    2016-10-09 14:10:37 | [feed][i]sent 9,0 AC
    2016-10-09 14:10:42 | [feed][i]sent 8,0 AC
    2016-10-09 14:10:46 | [mlat][i]No ADS-B time reference available (0/1)
    2016-10-09 14:10:47 | [feed][i]sent 9,0 AC
    2016-10-09 14:10:52 | [feed][i]sent 9,0 AC
    2016-10-09 14:10:57 | [feed][i]sent 9,0 AC
    2016-10-09 14:11:02 | [mlat][i]No ADS-B time reference available (0/1)
    2016-10-09 14:11:02 | [mlat][i]Pinging the server
    2016-10-09 14:11:02 | [mlat][w]Could not ping MLAT server, result=-1000, number of errors=1
    2016-10-09 14:11:03 | [feed][i]sent 10,0 AC
    2016-10-09 14:11:08 | [feed][i]sent 9,0 AC
    2016-10-09 14:11:13 | [feed][i]sent 9,0 AC
    2016-10-09 14:11:18 | [feed][i]sent 9,0 AC
    2016-10-09 14:11:18 | [mlat][i]No ADS-B time reference available (0/1)
    2016-10-09 14:11:24 | [feed][i]sent 8,0 AC
    2016-10-09 14:11:29 | [feed][i]sent 7,0 AC
    2016-10-09 14:11:34 | [feed][i]sent 8,0 AC
    2016-10-09 14:11:34 | [mlat][i]No ADS-B time reference available (0/2)
    2016-10-09 14:11:34 | [mlat][i]Pinging the server
    2016-10-09 14:11:34 | [mlat][w]Could not ping MLAT server, result=-1000, number of errors=2
    2016-10-09 14:11:34 | [mlat][i]Terminating connection
    2016-10-09 14:11:35 | [feed][i]removed 1 of 12 AC
    2016-10-09 14:11:35 | [mlat][i]Configuring UDP connection udp://mlat-1.fr24.com:19788
    2016-10-09 14:11:35 | [mlat][i]Registering MLAT station
    2016-10-09 14:11:36 | [mlat][i]Registering MLAT station: SUCCESS
    2016-10-09 14:11:39 | [feed][i]sent 8,0 AC
    2016-10-09 14:11:44 | [feed][i]sent 8,0 AC
    2016-10-09 14:11:50 | [feed][i]sent 8,0 AC
    2016-10-09 14:11:52 | [mlat][i]No ADS-B time reference available (0/2)
    2016-10-09 14:11:55 | [feed][i]sent 8,0 AC
    2016-10-09 14:12:00 | [feed][i]sent 7,0 AC
    2016-10-09 14:12:00 | [feed][n]syncing stream async: 1
    2016-10-09 14:12:01 | [feed][n]syncing stream result: 1
    2016-10-09 14:12:05 | [feed][i]sent 7,0 AC
    2016-10-09 14:12:07 | [feed][i]removed 1 of 11 AC
    2016-10-09 14:12:08 | [mlat][i]No ADS-B time reference available (0/2)
    2016-10-09 14:12:08 | [mlat][i]Pinging the server
    2016-10-09 14:12:08 | [mlat][w]Could not ping MLAT server, result=-1000, number of errors=1
    2016-10-09 14:12:10 | [feed][i]sent 7,0 AC
    2016-10-09 14:12:15 | [feed][i]sent 8,0 AC
    2016-10-09 14:12:20 | [feed][i]sent 7,0 AC
    2016-10-09 14:12:24 | [mlat][i]No ADS-B time reference available (0/2)
    2016-10-09 14:12:25 | [feed][i]sent 8,0 AC
    2016-10-09 14:12:31 | [feed][i]sent 9,0 AC
    2016-10-09 14:12:32 | [feed][i]filtering out 1 overlapping AC (saving bandwidth)
    2016-10-09 14:12:36 | [feed][i]sent 6,1 AC
    2016-10-09 14:12:40 | [mlat][i]No ADS-B time reference available (0/2)
    2016-10-09 14:12:40 | [mlat][i]Pinging the server
    2016-10-09 14:12:40 | [mlat][w]Could not ping MLAT server, result=-1000, number of errors=2
    2016-10-09 14:12:40 | [mlat][i]Terminating connection
    2016-10-09 14:12:41 | [mlat][i]Configuring UDP connection udp://mlat-1.fr24.com:19788
    2016-10-09 14:12:41 | [mlat][i]Registering MLAT station
    2016-10-09 14:12:41 | [mlat][i]Registering MLAT station: SUCCESS
    2016-10-09 14:12:41 | [feed][i]sent 7,1 AC
    2016-10-09 14:12:46 | [feed][i]sent 8,0 AC
    2016-10-09 14:12:51 | [feed][i]sent 8,1 AC
    2016-10-09 14:12:55 | [feed][i]removed 1 of 12 AC
    2016-10-09 14:12:56 | [feed][i]sent 6,1 AC
    2016-10-09 14:12:57 | [mlat][i]No ADS-B time reference available (0/2)
    2016-10-09 14:13:02 | [feed][i]sent 0,1 AC
    2016-10-09 14:13:07 | [feed][i]sent 6,1 AC
    2016-10-09 14:13:12 | [feed][i]sent 8,1 AC
    2016-10-09 14:13:13 | [mlat][i]No ADS-B time reference available (0/2)
    2016-10-09 14:13:13 | [mlat][i]Pinging the server
    2016-10-09 14:13:13 | [mlat][w]Could not ping MLAT server, result=-1000, number of errors=1
    2016-10-09 14:13:17 | [feed][i]sent 10,1 AC
    (and the cycle continues....)


    pi@raspberrypi:~ $ sudo service fr24feed status
    ● fr24feed.service - LSB: Flightradar24 Decoder & Feeder
    Loaded: loaded (/etc/init.d/fr24feed)
    Active: active (running) since Sun 2016-10-09 14:29:38 UTC; 21min ago
    Process: 567 ExecStart=/etc/init.d/fr24feed start (code=exited, status=0/SUCCESS)
    CGroup: /system.slice/fr24feed.service
    └─680 /usr/bin/fr24feed -- --monitor-file=/dev/shm/fr24feed.txt --write-pid=/var/run/fr24feed.pid --quiet --log-base=/var/log/fr24feed --log-rotate=2

    Oct 09 14:29:38 raspberrypi fr24feed[567]: Starting FR24 feeder: fr24feed.
    Oct 09 14:29:38 raspberrypi systemd[1]: Started LSB: Flightradar24 Decoder & Feeder.
    pi@raspberrypi:~ $ sudo service dump1090-mutability status
    ● dump1090-mutability.service - LSB: dump1090 daemon (mutability variant)
    Loaded: loaded (/etc/init.d/dump1090-mutability)
    Active: active (running) since Sun 2016-10-09 14:29:38 UTC; 24min ago
    Process: 438 ExecStart=/etc/init.d/dump1090-mutability start (code=exited, status=0/SUCCESS)
    CGroup: /system.slice/dump1090-mutability.service
    └─473 /usr/bin/dump1090-mutability --net --ppm 0 --fix --lat 56.4986 --lon -3.0094 --max-range 300 --net-ri-port 0 --net-ro-port 30002 --net-bi-port 0 --net-bo-port 0 --net-sbs-port 0 --net-heartbeat 60 --net-ro-size 500 --...

    Oct 09 14:29:38 raspberrypi systemd[1]: Started LSB: dump1090 daemon (mutability variant).

    I can't see anything in the status reports above that suggest an issue.

    In http://locahost:8754/monitor.txt I also have the following;


    mlat-uplink-stats="0"
    mlat_problem="connection-broken"


    Does anyone have any ideas as to what the issue could be?
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