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Thread: Aussie Feeders

  1. #991
    Flight attendant
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    Mar 2012
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    71
    Latest 16-7 version is sending ground vehicle data again and reasonably accurate over fairly large range (Thanks to you, I now know at least as far as along road at Ocean View).
    Yep - I'm K.7 and T-1 ... starting to think I've been in this game for too long ...
    Cheers

  2. #992
    Purser
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    Jan 2015
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    Kallangur, Brisbane
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    Quote Originally Posted by Kemistry View Post
    Latest 16-7 version is sending ground vehicle data again and reasonably accurate over fairly large range (Thanks to you, I now know at least as far as along road at Ocean View).
    Well I am in Kallangur, and when I saw VAN190 it was on Dohles Rocks Rd, turning left onto Anzac Ave, I saw it again heading up Dayboro Rd after I did the snapshot..

    EDIT: Ohhh, I see what you mean now, this morning my receiver picked it up at Oceanview, but as FR24 doesn't want to acknowledge the existance of the ICAO Hex number for the transponder I cannot see how well it was seen..

    Quote Originally Posted by Kemistry View Post
    Yep - I'm K.7 and T-1 ... starting to think I've been in this game for too long
    Nah! Can never be doing things for to long, if I had of known about this kinda thing sooner, I'd be doing it sooner I wish FR24 would give us a list of active receivers the same way FA does, be nice to know just how many out of the actual number are running sites... Also, I very much appreciate the fact you switched to PiAware, the extra MLAT contributers are helpful to see on my local dump1090/VRS ... Still need someone in Redcliffe to get an PiAware feed going as mentioned to Ressy, I have a blackspot Just around me, mostly due to there being only 1 site to my north.. Probably would be helpful if Ressy would get PiAware going as well *hint hint*

    Kem, what setup are you running with regards to antenna/amps/filters ?
    Last edited by bhaal; 2016-01-04 at 09:43.
    T-YBBN50 - Kallangur, QLD, Australia

  3. #993
    Flight attendant
    Join Date
    Mar 2012
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    71
    Quote Originally Posted by bhaal View Post
    Kem, what setup are you running with regards to antenna/amps/filters ?
    ModeS Beast, SSE-1090 SJ Mk2 @ ~45m asl, second-hand mech filter (best thing I ever did - so much mobile interference).
    Can see YBBN international terminal that unfortunately shields my ground vehicle tracks.
    Changeover to Pi was not smooth but now stable - win7 had terrible timestamping.
    Would like to contribute to FR24 MLAT but haven't the energy to pursue.
    Not sure what my sub-1000foot reception is like where you need it in Redcliffe. I have a tin roof in that direction at horizon.

  4. #994
    First officer
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    Mar 2014
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    T-YBBN30
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    234
    Quote Originally Posted by bhaal View Post
    Please do try again, try compiling the actual PiAware package so that you will be able to enable MLAT, I'd really appreciate another MLAT capable receiver North of my position! Really really!
    one day when I get time, holidays are over as of errr 51 mins time, so wont be any time soon (and better get my @se into gear and off da Net), I
    ll let you know when I do have a go.

  5. #995
    First officer
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    Mar 2014
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    T-YBBN30
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    Quote Originally Posted by Kemistry View Post
    ModeS Beast, SSE-1090 SJ Mk2 @ ~45m asl, second-hand mech filter (best thing I ever did - so much mobile interference).
    Can see YBBN international terminal that unfortunately shields my ground vehicle tracks.
    Changeover to Pi was not smooth but now stable - win7 had terrible timestamping.
    Would like to contribute to FR24 MLAT but haven't the energy to pursue.
    Not sure what my sub-1000foot reception is like where you need it in Redcliffe. I have a tin roof in that direction at horizon.
    I can atest you have phenomenal range even for low level, I'm sure you have ground at YRED, you afterall were the only one around for a long time so unless you dropped your antenna's from how they were few years back, every other feeder could turn off and you'd still let fr24 see everything it does today, or 99.9999999% of it

  6. #996
    Captain
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    Apr 2013
    Location
    SE Qld, Australia
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    510
    Quote Originally Posted by Ressy View Post
    I can atest you have phenomenal range even for low level, I'm sure you have ground at YRED, you afterall were the only one around for a long time so unless you dropped your antenna's from how they were few years back, every other feeder could turn off and you'd still let fr24 see everything it does today, or 99.9999999% of it
    Without wishing to offend any other feeder around BNE because they would all be contributing something, I reckon that T-YBBN1 has been the most consistently useful feeder for a long, long time. Didn't we miss it a couple of years back when it disappeared for a while? Ressy is right that if most of the others are down and T-YBBN1 is up most of what happens around BNE is still visible. Well done Kemistry.

  7. #997
    Flight attendant
    Join Date
    Mar 2012
    Posts
    71
    I appreciate the recognition - at least FR24 (surprisingly) still publish the radar codes.
    And my going "missing" did have another good outcome for the YBBN area.
    Lots of folk found the hobby and we now have plenty of redundancy of local feeders.
    It is amazing how the numbers have grown and covered the world. Mike's 2015 map is an great achievement.
    We just now need to find a way to get cover of the oceans - innovation needed - maybe a Federal grant?
    What about - a large numbers of floating boxes with a dongle/Pi/mesh-radio?

  8. #998
    Super Moderator
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    May 2011
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    T-NZCH1, PP:PH New Zealand
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    5,055
    mlatfail.jpg

    Tell me I'm not the only one seeing these MLAT contacts jumping around the ocean...
    Posts not to be taken as official support representation - Just a helpful uploader who tinkers

  9. #999
    First officer
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    Mar 2014
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    T-YBBN30
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    Quote Originally Posted by Oblivian View Post
    mlatfail.jpg

    Tell me I'm not the only one seeing these MLAT contacts jumping around the ocean...
    Must be a figment of your imagination because Mike says MLAT is extremely reliable, far more so than ADS-B, it doesn't lie - of course Mike is the only one who thinks this, because the rest of us see the high degree of inaccuracies of it every day

  10. #1000
    Purser
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    Jan 2015
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    Kallangur, Brisbane
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    168
    I am not switching anything off! As for MLAT ... I can tell you right now, what you see on FR24 with regards to MLAT is horribly inaccurate indeed... What I see via the feedback from FA's mlat client on the other hand is a whole lot more accurate, which is why I try and encourage as many people as possible to participate in BOTH MLAT trials... The more the better, as it is, I can see MLAT planes right down to about 200ft at YBBN and a lot of time they are perfectly lined up for the runway, *sometimes* they are landing in the river or such though But overwall it's nothing to sneeze at considering what's responsible for the data.. Remember, FR24 require at least one of their own receivers to have sync with the SDR dongles... FA's implementation on the other hand does not...

    Kem, how far about your roof is your antenna? And also, on the subject, an amplifier is only of use if I have a long cable run between the antenna and the receiver right? It's not going to do any good to just boot the further away or those which are behind an obstruction etc?
    T-YBBN50 - Kallangur, QLD, Australia

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