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Thread: Info Updates/Ammendments Placeholder

  1. #1
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    Info Updates/Ammendments Placeholder

    Placeholder for stuff
    Posts not to be taken as official support representation - Just a helpful uploader who tinkers

  2. #2
    First officer
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    T-MLAT5 = Asia/India/Japan

  3. #3
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    Ta, added your others too. How to Stamp some clarity before the questions need to be asked

    Sent from my XT1092 using Tapatalk
    Posts not to be taken as official support representation - Just a helpful uploader who tinkers

  4. #4
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    Anyone with specific hardware setups that seem to work well willing to share data flow etc to centralise?

    I've added a SBS3 theoretical that needs some verification. And my own beast setup.

    DVBT is fairly straight forward. But happy to hear with anyone with working SBS1/1er and micro adsb etc to confirm if as straight forward as I suspect
    Posts not to be taken as official support representation - Just a helpful uploader who tinkers

  5. #5
    Captain
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    Oblivian I have had another go at running my SBS-3 (USB) with the software (T-EGBE12)

    In seven days its only crashed once, a big improvement from the daily crashes that we used to get.;-)

    Its worth noting that during the install the feeder software thinks my receiver is an SBS-1 and the feeder sees much more data. Most of this data is rubbish, I only noticed this when trying to check on the crash.

    AIRCRAFT SEEN: 36,934 POSITIONS REPORTED: 377,078 MAXIMUM DISTANCE: 336nm
    AIRCRAFT SEEN: 39,064 POSITIONS REPORTED: 383,128 MAXIMUM DISTANCE: 332nm

    After I changed the setting to SBS-3

    AIRCRAFT SEEN: 2,243 POSITIONS REPORTED: 315,350 MAXIMUM DISTANCE: 208nm
    AIRCRAFT SEEN: 2,283 POSITIONS REPORTED: 325,241 MAXIMUM DISTANCE: 199nm
    AIRCRAFT SEEN: 2,461 POSITIONS REPORTED: 342,180 MAXIMUM DISTANCE: 204nm
    Dati di terze parti

  6. #6
    Passenger
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    Hi Folks, about this thread, still work?

    MLAT requires 4+ in-range receivers:
    - Various combinations of Rpi + FR24 receivers contribute (1FR + 3 Pi, 2FR + 2Pi etc)
    - min. 1x FR24 receiver required in combination
    - Overlapping FR24 Receiver GPS-time MLAT prioritised
    - NTP used for commonreference on RPis alongside FR24 data
    - All receivers need to contact the same Mode-S Only aircraft (and 1x ADSB reference aircraft).

  7. #7
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    Quote Originally Posted by vinicius325 View Post
    Hi Folks, about this thread, still work?

    MLAT requires 4+ in-range receivers:
    - Various combinations of Rpi + FR24 receivers contribute (1FR + 3 Pi, 2FR + 2Pi etc)
    - min. 1x FR24 receiver required in combination
    - Overlapping FR24 Receiver GPS-time MLAT prioritised
    - NTP used for commonreference on RPis alongside FR24 data
    - All receivers need to contact the same Mode-S Only aircraft (and 1x ADSB reference aircraft).
    Yes. (well. we've not been told otherwise)

    But before asking if you will help by adding a GPS receiver like last time - https://forum.flightradar24.com/thre...733#post104733

    Nothing has changed there, and adding one will not assist. Only FR24 feeders use GPS. All others are NTP for reference only.
    Last edited by Oblivian; 2018-10-04 at 07:04.
    Posts not to be taken as official support representation - Just a helpful uploader who tinkers

  8. #8
    Flight attendant
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    It may be coincidence (I changed a few things ), but pointing your Pi running fr24feed to a local Stratum 1 NTP server appears to allow it to send more MLAT data to FR24.

    fr24mlat.png

    "MLAT Seen" is "mlat-number-seen" from the monitor.txt page.
    "MLAT Pushed" is "mlat-time-last-push_count".

    Around the middle of Week 38 I edited the Pi's /etc/hosts to point all the NTP servers FR24feed uses to the local NTP server.

  9. #9
    Purser
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    Quote Originally Posted by elljay View Post
    It may be coincidence (I changed a few things ), but pointing your Pi running fr24feed to a local Stratum 1 NTP server appears to allow it to send more MLAT data to FR24.
    Makes no difference whatsoever. NTP is only used to get a common time to work with, all actual mlat sync is done via the ADSB aircraft.

    /M
    F-ESDF1, F-ESGG1, F-ESGP1, F-ESNK1, F-ESNV2, F-ESNV3 F-ESSL4, F-LFMN3
    P-ESGR, P-ESIA, P-ESIB, P-ESGF

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