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Thread: FR24 Feeder Hardware Discussion Thread

  1. #11
    First officer paradiselost's Avatar
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    Quote Originally Posted by Oblivian View Post
    Area to ask posters questions/help about their setups and suggestions from this thread
    http://forum.flightradar24.com/threa...-FR24-hardware
    Is anyone using POE USB to Ethernet adapters to power dongles on a mast? I am looking for first hand knowledge not theory.

    Also

    Anyone have a bat file to start Feeding automatically when an operating system reboots on power interruption?

    Has anyone used 3g Cellular for internet for feeding?

    John

    T-RPVD1

    http://fr24.com/9.12,123.45/7

  2. #12
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    Quote Originally Posted by paradiselost View Post
    Is anyone using POE USB to Ethernet adapters to power dongles on a mast? I am looking for first hand knowledge not theory.

    Also

    Anyone have a bat file to start Feeding automatically when an operating system reboots on power interruption?

    Has anyone used 3g Cellular for internet for feeding?

    John

    T-RPVD1

    http://fr24.com/9.12,123.45/7
    See post 34 in this thread http://forum.flightradar24.com/threa...and-FR24/page4 ... this will work to do the POE (the only thing I've not done is put it in a box on the mast, but POE does certainly run the whole thing and collect data using just the network cable for power in and data out) - this is to power the raspberry pi (doing the whole decoding job), the Pi powers the dongle.

    The PI starts when power is applied, and the programs to dump1090 and FR24 uploads can certainly be configured to start at boot time - My Pi does this reliably and running POE, so not theory - just not in a box.

    ----

    To do it with windows is slightly harder since you have a whole pile of other stuff to get started before you can start doing your decoding
    - first you need the PC to boot as power is applied - there may be setting in the BIOS for this,
    - then you can run the decoding & upload programs
    - - could be done as
    - - - services with 'auto' start or
    - - - fix the PC to auto logon and put the programs in the startup program group (start > All Programs > Startup)

    (Linux on the PI model B really is simpler than windows for something standalone like this - once you have got past the FUD [Fear, Uncertainty & Distrust] about using a non GUI interface ... you could even push software updates to a PI stuck up the mast)

    POE to just power a dongle doesn't make much sense - the RTL dongle is a USB device not a network device - You might use an active USB extender (I couldn't get the tuner dongle to work with one though)

    If looking to use 3G to upload - are you talking about using a 3g USB dongle plugged into the same machine that has the tuner dongle - if you are, then the whole thing will just need power (could be solar cells, storage accumulator (car battery) and a voltage regulator)

  3. #13
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    That's right. I've tried today a USB-3G-dongle and the RTL-dongle on a USB-powered (1,5A) Raspberry. No chance! You need a hub. 3G feeding works fine, if you connected. My next task is autoconnecting to 3G on startup. For the feeder-sw I used the dump1090-script for autostart http://www.satsignal.eu/Radio/dump1090.html , but it will works not every time on reboot. Doesn't know why, maybe network isn't established.
    My goal is a fully operational RPI, that feed and connect automatically to my VPN after power-connect.
    You can assemble a cable-adapter to feed the hub. 2 pairs in a network-cable are not needed for 100BaseTX.
    Last edited by From EDDW; 2013-08-18 at 21:30.

  4. #14
    First officer paradiselost's Avatar
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    Quote Originally Posted by peterhr View Post
    See post 34 in this thread http://forum.flightradar24.com/threa...and-FR24/page4 ... this will work to do the POE (the only thing I've not done is put it in a box on the mast, but POE does certainly run the whole thing and collect data using just the network cable for power in and data out) - this is to power the raspberry pi (doing the whole decoding job), the Pi powers the dongle.
    Thanks Peter, I was just brainstorming on how to locate unattended Feeders in remote locations with just electricity and 3G cellular internet. In many parts of the world with excellent VIEW, electricity and 3G internet are all that are available. A prototype of an unattended system utilizing inexpensive parts could increase FR24s coverage exponentially even using tall tree limbs or power poles as masts.

    Certainly there are opportunities to overcome technical obstacles without the need for a PC or Mac.USB is a neat connection method in hubs as well as POE but without drivers they are lost. We need to overcome that.

    John

    T-RPVD1

    http://fr24.com/9.12,123.45/7

  5. #15
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    Quote Originally Posted by paradiselost View Post
    Thanks Peter, I was just brainstorming on how to locate unattended Feeders in remote locations with just electricity and 3G cellular internet. In many parts of the world with excellent VIEW, electricity and 3G internet are all that are available. A prototype of an unattended system utilizing inexpensive parts could increase FR24s coverage exponentially even using tall tree limbs or power poles as masts.

    Certainly there are opportunities to overcome technical obstacles without the need for a PC or Mac.USB is a neat connection method in hubs as well as POE but without drivers they are lost. We need to overcome that.

    John

    T-RPVD1

    http://fr24.com/9.12,123.45/7
    Cron job to restart dump1090 and feeder - say - every hour ... but do ensure NTP sets the correct time first
    does wheezy support cron @restart (@reboot)? - some linux do, some don't

    The voltage converter is very efficient doesn't get warm at all 1A in at 12 V will probably come out at 2A+ at 5v (if that's within the device rating)

    Were coming down to the same thought - a standard component list (PI + Tuner + whatever is needed to connect to upload), and a standard software image to run it.

  6. #16
    Passenger K5TED's Avatar
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    What is this "DFLD Real-time Noise radar" ? Seems interesting. Please explain what it is and how it works. I found a Fluglärmkonturenkarten map but not clear on what it actually is or does. Is this a audio recording device for picking up jet noise?

  7. #17
    Captain abcd567's Avatar
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    Quote Originally Posted by K5TED View Post
    What is this "DFLD Real-time Noise radar" ? Seems interesting. Please explain what it is and how it works. I found a Fluglärmkonturenkarten map but not clear on what it actually is or does. Is this a audio recording device for picking up jet noise?
    I visited the site
    Code:
    http://www.DFLD.de
    , it is naturally in German language, but this sentence caught my attention: "Der Preis ist mit 1.000.-€ Preisgeld versehen". I got it translated by Google Translate, and it said "The price is provided with 1.000 € prize money".

    I am now interested to find out how to win this prize money .
    Last edited by Amper; 2016-03-06 at 19:43.

  8. #18
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    Your Google Translator is broken.
    The matter was that the DFLD organization won an award of 1000€ for its citizen-based aircraft noise monitoring system, that is operated independently of the airline and airports industries.

    You can surely apply for that award as well: you might provide a network of about 300 noise monitoring stations, lease a mainframe to aggregate the results and compute the daily, weekly monthly and yearly statistics for each station according to the strict rules of the european aircraft noise directive.

    You might have a look on its international variant
    Code:
    http://www.eans.net/En/index.html
    .

    The DFLD real-time noise radar (their terminology) is a map with flights à la Flightradar plus a real time display of the noise measurements from the monitoring stations.
    Code:
    http://www.dfld.de/Radar/?L=G&E=E&Lat=51.3686033&Lon=6.9400013&Z=14&FT=1#
    (it is not nice, the aircraft display is very basic, but it shows the current value of the noise stations)
    Last edited by Amper; 2016-03-06 at 19:44.

  9. #19
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    Oh that antenna is just for testing off-site. It does not really matter.
    Under the roof, it is connected to a much better antenna.

    With the fruit crate, i have just to pick a single object and plug it of the power socket, when i need to tinker with it.

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