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Thread: Flightradar24 Feeder Chat

  1. #1001
    First officer
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    Mar 2013
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    Arhus (T-EKAH3), Denmark
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    Quote Originally Posted by Oblivian View Post
    Here's a good start.

    If you want to accurately see what your range/how much you receive. Lower these.
    Thanks Oblivian, I will look in to that. The explanation would then be that an aircraft made it to the list but but was never steady enough to be displayed on the map. Aircraft do show up in the list and stay there for much longer than the threshold value, but that could be explained by aircraft been 'rediscovered' again and again and extending it's life on the list.

    But still mystified The answer may be to get a better antenna.

  2. #1002
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    Sep 2015
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    Hi everyone . they are reciver I fr24 owner . F- LRCV2 Craiova / Romania . I want to ask if you can find another antenna located in that area, cordonatele geographical or reciver holder . Thank you !!!!

  3. #1003
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    Jun 2015
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    Victoria, BC Canada F-CYWH1
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    Quote Originally Posted by RicksRadio View Post
    FR24 Support have confirmed that they did receive good data from me for about 40 minutes on Friday. Nothing since.

    Today things got a little stranger. I inadvertently unplugged the GPS antenna (completely disconnected!!) BUT nothing changed. The GPS LED blinked GREEN for about 10 minutes and then RED for about 30 seconds and then repeated the approximately 10 minute cycle .

    Since my original GPS antenna location worked then I feel it is likely not at fault. But unplugging the GPS antenna suggests that (1) the GPS antenna may be broken or (2) perhaps the receiver is broken.
    UPDATE: Well we are in business again.

    Support helped me re-load the firmware in an effort to get the receiver back on-line. That successfully got the ADS-B traffic back in a stable state BUT it did not solve the GPS problem. Finally I borrowed another GPS antenna and eureka the GPS problem was solved.

    Close examination of the original GPS antenna SMB connector suggested it might be distorted. With the approval of FR24 Support I changed the connector on the GPS antenna and now all is well. Now both ADS-B and Mode-S data are flowing to FR24.

    F-CYWH1 Southern tip of Vancouver Island

  4. #1004
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    Jun 2015
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    Victoria, BC Canada F-CYWH1
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    With my FR24 receiver now active I have been paying special attention to the log file. Everything seems to be working BUT there's and "error" that seems to occur randomly. Rarely does the log go an hour without this glitch. I'm not sure what's happening but it seems to be GPS / MLAT timebase related. However, the time was synchronized at 19:59:11 and the "no time update" occurred 40 seconds later? I doubt that it's unique to my set-up but I'm curious as to what is happening. An excerpt from the log follows (I've edited out the UPD address and port).

    Thoughts and comments appreciated. Thanks.

    Rick

    2015-09-22 19:59:03 | [mlat][i]Pinging the server
    2015-09-22 19:59:04 | [mlat][i]Stats 12411672/942
    2015-09-22 19:59:04 | [feed][i]sent 33 AC in 2 packets
    2015-09-22 19:59:07 | [time][i]Synchronizing time via NTP
    2015-09-22 19:59:08 | [feed][i]sent 32 AC in 2 packets
    2015-09-22 19:59:11 | [feed][i]sent 31 AC in 2 packets
    2015-09-22 19:59:11 | [time][i]Time synchronized correctly, offset -0.0704 seconds, drift -0.0000 seconds/minute
    2015-09-22 19:59:14 | [feed][i]sent 32 AC in 2 packets
    2015-09-22 19:59:17 | [feed][i]sent 32 AC in 2 packets
    2015-09-22 19:59:20 | [feed][i]sent 33 AC in 2 packets
    2015-09-22 19:59:23 | [feed][i]sent 32 AC in 2 packets
    2015-09-22 19:59:26 | [feed][i]sent 33 AC in 2 packets
    2015-09-22 19:59:29 | [feed][i]sent 34 AC in 2 packets
    2015-09-22 19:59:30 | [mlat][i]Pinging the server
    2015-09-22 19:59:32 | [feed][i]sent 35 AC in 2 packets
    2015-09-22 19:59:35 | [feed][i]sent 31 AC in 2 packets
    2015-09-22 19:59:38 | [feed][i]sent 32 AC in 2 packets
    2015-09-22 19:59:39 | [stats][e]Cached feed_id=3428 for network F
    2015-09-22 19:59:39 | [stats][i]sent 6321 bytes
    2015-09-22 19:59:41 | [feed][i]sent 34 AC in 2 packets
    2015-09-22 19:59:44 | [feed][i]sent 31 AC in 2 packets
    2015-09-22 19:59:47 | [feed][i]sent 32 AC in 2 packets
    2015-09-22 19:59:50 | [feed][i]sent 28 AC in 2 packets
    2015-09-22 19:59:50 | [mlat][i]Stats 12411672/942
    2015-09-22 19:59:51 | [gps][e]No time update for 30/120 seconds or more, disconnecting from GPS
    2015-09-22 19:59:51 | [gps][i]Connected to the GPS receiver
    2015-09-22 19:59:52 | [gps][i]New position: 48.48,-123.37,43.1,20:00:08
    2015-09-22 19:59:52 | [mlat][i]Configuring UDP connection udp://xxx.xxx.com:yyyyy
    2015-09-22 19:59:52 | [mlat][i]Timebase is GPS
    2015-09-22 19:59:52 | [mlat][i]Registering MLAT station
    2015-09-22 19:59:53 | [feed][i]sent 31 AC in 2 packets
    2015-09-22 19:59:56 | [feed][i]sent 33 AC in 2 packets
    2015-09-22 19:59:59 | [feed][i]sent 27 AC in 2 packets
    2015-09-22 20:00:02 | [feed][i]sent 27 AC in 2 packets
    2015-09-22 20:00:05 | [feed][i]sent 30 AC in 2 packets
    2015-09-22 20:00:05 | [feed][n]syncing stream: 1
    2015-09-22 20:00:08 | [feed][i]sent 32 AC in 2 packets
    2015-09-22 20:00:11 | [feed][i]sent 30 AC in 2 packets
    2015-09-22 20:00:12 | [mlat][i]Registering MLAT station: FAILURE
    2015-09-22 20:00:13 | [mlat][i]Configuring UDP connection udp://xxx.xxx.com:yyyyy
    2015-09-22 20:00:13 | [mlat][i]Timebase is GPS
    2015-09-22 20:00:13 | [mlat][i]Registering MLAT station
    2015-09-22 20:00:13 | [mlat][i]Registering MLAT station: SUCCESS
    2015-09-22 20:00:14 | [feed][i]sent 31 AC in 2 packets

    F-CYWH1 Southern tip of Vancouver Island

  5. #1005
    Passenger
    Join Date
    Mar 2015
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    2
    This is my first post and if not allowed please delete. I seem to be having trouble with a reciever I am hosting. I moved to a new loaction 14 miles north of where I was. My upload seems to be patchy at the new location and I'm not sure what to do about it. I was using DSL and my new IP is high speed fiber. I attached a picture, as you can see before the move everything was uploading perfectly. Now after the move very patchy. Anyone have any suggestions?Screenshot_2015-09-22-10-43-22.jpg

  6. #1006
    Super Moderator
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    May 2011
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    T-NZCH1, PP:PH New Zealand
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    5,028
    You would need to look at the system logs to see more. Contact Support@flightradar24.com to look into those for you as it is their gear

    They'll suggest a potential fix or assist in troubleshooting. They'll also need your new GPS location to match for MLAT purposes.

  7. #1007
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    Mar 2015
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    Thank you!

  8. #1008
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    Dec 2012
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    I see F-feeders and T-feeders... what's the difference?
    Besides the T and F obviously
    T-EHVK11 / RPi-2

  9. #1009
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    Nov 2013
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    Grimsby, UK
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    4
    Quote Originally Posted by peerke63 View Post
    I see F-feeders and T-feeders... what's the difference?
    Besides the T and F obviously
    F- are FR24 Feeders (Such as the FR24 BaseStation) and the T- are software based feeders, such as Dump1090

  10. #1010
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    Dec 2012
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    21
    Aha...right..thnks
    T-EHVK11 / RPi-2

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