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dump1090 not working well on MIPS?

December 19, 2015, 3:48 pm
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Hello,

I have an odd issue here and I wonder where to start looking.

I've managed to get dump1090 running on a Fritz!Box DSL router. This is in many ways like a Raspberry Pi, it also runs Linux, but not quite a standard distro (www·freetz·org) and with a big-endian (I think) dual core MIPS CPU instead of ARM. It works, but strangely not as well as on a PC.

On a PC by average I can capture ~20% or so more messages than on the Fritz!Box, using the same cmdline arguments exactly, using the same receiver+antenna installed on the same roof, and I can't think of an obvious explanation. Has anyone else tried this out/seen similar issues?

In both cases, the receiver is connected to the machine through the same 10m USB cable + simple powered USB hub. In both cases it's dump1090_mr compiled from the same source tree (though with different compiler flags, I'll see if -O3 is somehow killing it though this would seem unlikely). Frequency and sample rate are also the same, it's not like it's dropping the sample rate to shed load on this slow CPU.

And really the CPU seems fast enough as dump1090 is running with only 20% CPU utilisation, it could easily spend a little more to try harder. :-D

Since I think the MIPS CPU is running in big-endian mode and PCs + RasPi's are little-endian I wonder whether this could be an issue, but the dump1090 src tree is huge enough that figuring that out is not going to be simple. Does anyone have other ideas of what could cause differences in messages received or at least decoded successfully?
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Need sticky thread on running FR24FEED and PIAWARE together

December 20, 2015, 4:46 am
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I recently upgraded my receiver (added inline amp and raised antenna) which vastly increased my range and count. I also started using PiAware, which seems to have caused fr24feed to stop working. I tried searching on both forums for a solution, but only found conflicting or ambiguous information.

For example, in the fr24 "Read this first!" post it says "If you have any questions related to the feeding software or about feeding Flightradar24
-> http://forum.flightradar24.com/threa...tware-thread!)"
But if you click on the link, you discover that it is "closed". Similarly, other links suggest using software that has been officially deprecated, or not clearly identified. For example, 'dump1090-mutability' is advised (without explanation), but there seems to be more than one version floating around.

So, if you're simply using a Raspberry PI (note: not "PIE") with an R820T(2) dongle, with the latest FR24 "apt-get" version feeder (with MLAT), how do I get it to run nicely with PiAware? Currently it's installed but not working. I'm getting these errors:
/var/log/fr24feed.log
2015-12-18 21:11:21 | [main][i]Terminating on user request
2015-12-18 21:11:21 | [main][i]Terminating worker threads
2015-12-18 21:11:21 | [master][i]Terminating on request
2015-12-18 21:11:22 | [reader][i]Terminating on request
2015-12-18 21:11:22 | [feed][n]busy
2015-12-18 21:11:22 | [feed][n]disconnected
2015-12-18 21:11:22 | [feed][x]Feeding thread terminated
2015-12-18 21:11:22 | [mlat][i]Pinging the server
2015-12-18 21:11:22 | [mlat][i]Stats 0/0
2015-12-18 21:11:24 | [httpd][d]Master thread terminated
/var/log/syslog
Dec 20 07:40:01 raspberrypi /usr/sbin/cron[2241]: (*system*fr24feed_updater) WRONG FILE OWNER (/etc/cron.d/fr24feed_updater)

It would help immensely if there was a single, authoritative thread to answer and fix these issues.
Thanks.

EDIT: The fr24feed.log entry above was from the wrong day. Here's the most recent, captured when I had temporarily stopped PIAWARE and restarted FR24FEED, which had been working fine before I installed PIAWARE.
...
2015-12-20 10:23:55 | [mlat][i]Pinging the server
2015-12-20 10:23:55 | [mlat][i]Stats 0/0
2015-12-20 10:23:59 | [reader][i][0]Connecting to Generic receiver via (exe:///usr/lib/fr24/dump1090 --net --net-http-port 80 --raw --mlat)
2015-12-20 10:23:59 | [reader][i][0]Connected to the receiver, authenticating
2015-12-20 10:23:59 | [reader][i][0]Authenticated, processing messages
2015-12-20 10:23:59 | [reader][i][0]Connection terminated
2015-12-20 10:23:59 | [main][i]Terminating child process 18913 with SIGETERM
2015-12-20 10:24:01 | [feed][n]ping 4
2015-12-20 10:24:05 | [reader][i][0]Connecting to Generic receiver via (exe:///usr/lib/fr24/dump1090 --net --net-http-port 80 --raw --mlat)
2015-12-20 10:24:05 | [reader][i][0]Connected to the receiver, authenticating
2015-12-20 10:24:05 | [reader][i][0]Authenticated, processing messages
2015-12-20 10:24:05 | [reader][i][0]Connection terminated
2015-12-20 10:24:05 | [main][i]Terminating child process 18914 with SIGETERM
...
So it looks like the two softwares are somehow sharing resources and interfering with each other, hopefully unintentionally. Somewhat surprising, since each should be running its own copy of dump1090. (
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Flight radar with comms!!??

December 20, 2015, 3:10 pm
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Hi,
Newby on here. LOVE the app!!! Curious though as everything is digital now would it be possible to include on the application the talk between ATC and the pilot? Even if it was just on approach and take off?
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Wrong sharing key

December 21, 2015, 6:58 am
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I am currently using the new software to feed from my PC and have used it since it was released. As of today, I am getting a message saying that my sharing key is wrong. I have made no changes that could have done this.

Any thoughts?

Colin
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fr24feed service stops without log entry at same time each day

December 21, 2015, 7:56 am
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Setup: Raspberry Pi 2, blue sdr stick "dvbt", up to date fr24feed pkg (when the error started), previously working fine for a couple of weeks
Attempted: I pulled the posted files from fr24 and reinstalled (effective downgrade), and then upgraded again with apt-get.
Status: I am currently getting a "Sharing Key is incorrect", which is wrong as I validated that. I think it's an unrelated issue with fr24.com The sharing key issue is new and others are posting about it today.

Without other known changes to the system, about 4 days ago I noticed that my feed would go "offline" at about the same time each day. I am able to "sudo service fr24feed restart" and it comes back and works again until the same time (13:00 UTC) the next day. I turned on logging and there are -0- entries to give clue at the end of the log.

Here is a cut-paste from the log file. Notice at 07:01 it just stops logging. The entries at 09:01 are me restarting the service.

I do not mind doing a complete reinstall of the Pi, this is a dedicated device, but as a techie I would prefer to learn what is going on.

Thoughts?

Thanks!

TX-Mike














2015-12-21 07:00:06 | [feed][i]removed 1 of 2 AC
2015-12-21 07:00:08 | [feed][i]sent 1 AC in 1 packet
2015-12-21 07:00:15 | [feed][i]sent 1 AC in 1 packet
2015-12-21 07:00:23 | [mlat][i]Pinging the server
2015-12-21 07:00:23 | [mlat][i]Stats 0/0
2015-12-21 07:00:27 | [feed][i]sent 1 AC in 1 packet
2015-12-21 07:00:33 | [feed][i]sent 1 AC in 1 packet
2015-12-21 07:00:38 | [feed][i]sent 1 AC in 1 packet
2015-12-21 07:00:43 | [mlat][i]Pinging the server
2015-12-21 07:00:43 | [mlat][i]Stats 0/0
2015-12-21 07:00:43 | [feed][i]sent 1 AC in 1 packet
2015-12-21 07:00:52 | [feed][i]sent 1 AC in 1 packet
2015-12-21 07:00:57 | [feed][i]sent 1 AC in 1 packet
2015-12-21 07:01:02 | [feed][i]sent 1 AC in 1 packet
2015-12-21 07:01:03 | [mlat][i]Pinging the server
2015-12-21 07:01:03 | [mlat][i]Stats 0/0
2015-12-21 07:01:10 | [feed][i]sent 1 AC in 1 packet
2015-12-21 07:01:16 | [feed][i]sent 1 AC in 1 packet
2015-12-21 09:01:12 | [main][i]FR24 Feeder/Decoder [0x02117000]
2015-12-21 09:01:12 | [main][i]Version: 1.0.14-11/generic
2015-12-21 09:01:12 | [main][i]Built on 20150828-0958 (r:master-8c35732.git/Linux/armv7l)
2015-12-21 09:01:12 | [main][i]Automatic updates are ENABLED
2015-12-21 09:01:12 | [main][i]Copyright 2008-2015 (c) Piotr Pawluczuk
2015-12-21 09:01:12 | [main][i]Flightradar24 AB((snip)://flightradar24.com)
2015-12-21 09:01:12 | [main][i]DNS mode: LIBC
2015-12-21 09:01:12 | ERROR
2015-12-21 09:01:12 | [httpd][i]Server started, listening on 0.0.0.0:8754
2015-12-21 09:01:12 | [main][i]Reader 0 started
2015-12-21 09:01:12 | [reader][i][0]Initializing reader
2015-12-21 09:01:12 | [main][i]Socket server started
2015-12-21 09:01:12 | [bs][i]Initializing server
2015-12-21 09:01:12 | [main][i]MLAT data feed started
2015-12-21 09:01:12 | [reader][i][0]Connecting to Generic receiver via (exe:///usr/lib/fr24/dump1090 --raw --mlat)
2015-12-21 09:01:12 | [bs][i]Starting server on 0.0.0.0:30003
2015-12-21 09:01:12 | [master][i]Starting processing thread
2015-12-21 09:01:12 | [reader][i][0]Connected to the receiver, authenticating
2015-12-21 09:01:12 | [reader][i][0]Authenticated, processing messages
2015-12-21 09:01:12 | [mlat][i]Waiting for MLAT configuration
2015-12-21 09:01:13 | [time][i]Synchronizing time via NTP
2015-12-21 09:01:14 | [reader][w][0]Setting new UTC offset: 0!
2015-12-21 09:01:17 | [time][i]Time synchronized correctly, offset -0.0019 seconds
2015-12-21 09:01:17 | [main][i]Feed Network client started
2015-12-21 09:01:17 | [feed][i]Downloading configuration
2015-12-21 09:01:17 | [main][i]RAW data server started
2015-12-21 09:01:17 | [raw][i]Initializing server
2015-12-21 09:01:17 | [raw][i]Starting server on 0.0.0.0:30002
2015-12-21 09:01:17 | [feed][c]Interval: 5s
2015-12-21 09:01:17 | [feed][c]Latitude: (snip)
2015-12-21 09:01:17 | [feed][c]Longitude: (snip)
2015-12-21 09:01:17 | [feed][c]GND: YES
2015-12-21 09:01:17 | [feed][c]NonADSB: YES
2015-12-21 09:01:17 | [feed][c]Timestamps: optional
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Sharing Key

December 21, 2015, 10:38 am
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I am getting a error saying the sharing key is incorrect with an error code of (fd -1), nothing has changed , please advise. thanks
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Error feeding data.

December 21, 2015, 5:21 pm
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Today I got this error:
ERROR - Could not connect. :(
I don't know what happened.

Feeding from Windows 10
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FR24 to give Christmas Present to Top 300 Feeders ?

December 21, 2015, 8:29 pm
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FlightRadar24 have come a long way - from the day it was online.

I remembered in the early days - there were plenty of empty holes - completely no planes - compared with today's fantastic coverage where the Monitor has problem to accommodate all the planes on the screen.

Most of us had and are still currently doing whatever we can to improve coverage. ( In fact, I can see competitions among feeders to compete to give best coverage ).

Some of us have spent $$$, time and risk our lives ( climbing up antenna mast ) -

- I climbed out of my 25th floor Window and stand on my air conditioner's compressor housing to install the 1090 Mhz antenna and LNA.

I am wondering - maybe its my day-dreaming - will Flightradar24 consider sending out simple Christmas Present to the Top 300 Feeders - as a gesture of appreciation ( we know we have Premium Account already ) ?

Mike - Merry Christmas & Happy New Year ! Ho ho ho ho ho ho.
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Feeder Software not working

December 22, 2015, 4:34 am
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My FR24 feeder software stopped working at 9.12am this morning and I can seem to do anything with it. It is version 1.2.3.2

Any suggestions or help appreciated

Thanks

Nigel
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signal strength

December 22, 2015, 11:31 pm
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A few months ago I have updated the feeder software to version 1.0.14-9 on Windows.
With the old Rtl1090 software program I could see a number for the signal strength (value in the left bottom corner of the window with field label THR). The value itself is in Db and between brackets there is a number. How higher the number, how worser the strength of the signal. So I could see how well my antenna was performing.
Can I see in the new web interface how strong the received signal is? Or is there a better way to measure the quality of the signal that the antenna is sending to the feeder software?

Best regards,
Snoopy
Belgium
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New Radar Gulf of St. Lawrence

December 23, 2015, 5:47 am
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During the last week I have noted a new radar feed covering the south coast of Labrador, Anticosti Island and the coast of Western Newfoundland. It's ID is F-CTK61. It doesn't seem to relate to any particular airport such as my feed F-CYDF. Deer Lake. We seem to share hits so we overlap. It would be interesting to know its general area as you usually can with a regular IATA code. Has anyone else noticed it? As a radio ham I'm interested in propagation of ADS-B signals.
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[bug report] Cron is too much verbose.

December 26, 2015, 3:45 am
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Concerning raspberrypi-stable deb package.
Crons scripts should not return any standard infos, but only error!

Actually we have apt-get stdout.

Add -q2 to apt-get commands.

Code:
apt-get update -y -q2
apt-get install -y -q2 fr24feed
Do not use echo. (Only for errors!).

Why? Because we receive stdout/stderr by mail, and we want only to receive a mail where there is an error.
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[bug report] Cron need PATH to /usr/sbin.

December 26, 2015, 3:51 am
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Concerning raspberrypi-stable deb package.

Code:
/usr/lib/fr24/fr24feed_updater.sh: 17: /usr/lib/fr24/fr24feed_updater.sh: service: not found
Please add this PATH to /etc/cron.d/fr24feed_updater

Code:
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
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Looking for some MySQL Code (Altitude to FL)

December 26, 2015, 11:13 pm
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Hi, with a percent chance of the low teens I'm looking for a way in MySQL code to report flight level from altitude. For the best part:

concat("FL",left(altitude,3)) gets me what I need but when the altitude is reported as 40950 I'm really looking to round up to 41000 but can't seem to find a function for rounding up integer values.

I'd appreciate any help, thanks.
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Kinetics SBS-3 direct USB connection - Problem with SBS 10001 Output

December 26, 2015, 6:34 pm
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Hi,

Short version:

Is BS 10001 output working on linux with a SBS-3 connected up via USB?



Long version:

I have a Kinetics SBS-3 running firmware V119.

I am running the SBS-3 via a USB connection on the Raspberry PI with build 1.0.16-7. I want to have the raspberry PI running the SBS-3 as I can put it in the roof on a short antenna run. I can then run basestation when a PC is on if so desired. The 10001 feed does not appear to be working. I also can't see output on the RAW feed (although the port is open).

I have the following config:
receiver="sbs3usb"
fr24key="XXXXXXXXX"
host="localhost"
path="/dev/ttyUSB1"
baudrate="921600"
bs="no"
raw="yes"
mpx="yes"
baudrate="921600"
logmode="2"
windowmode="0"
mpx="yes"
mlat="yes"
mlat-without-gps="yes"

MPX is the switch for the 10001 output, BS for 30003 and RAW 30334. BS output works fine. I am unsure if RAW is working but you can see it open the port in the log. 10001 is not opened.
2015-12-27 13:14:48 | [main][i]FR24 Feeder/Decoder [0x02117000]
2015-12-27 13:14:48 | [main][i]Version: 1.0.16-7/generic
2015-12-27 13:14:48 | [main][i]Built on 20151214-1410 (r:master-d6572f3.git/Linux/armv7l)
2015-12-27 13:14:48 | [main][i]Copyright 2012-2015 Flightradar24 AB
2015-12-27 13:14:48 | [main][i]hxxp://flightradar24.com)
2015-12-27 13:14:48 | [main][i]DNS mode: LIBC
2015-12-27 13:14:48 | [main][i]Automatic updates are ENABLED
2015-12-27 13:14:48 | [main][i]Reader 0 started
2015-12-27 13:14:48 | [main][i]MLAT data feed started
2015-12-27 13:14:48 | [reader][i][0]Initializing reader
2015-12-27 13:14:48 | [httpd][i]Server started, listening on 0.0.0.0:8754
2015-12-27 13:14:48 | [master][i]Starting processing thread
2015-12-27 13:14:48 | [reader][i][0]Connecting to SBS3 receiver via USB (/dev/ttyUSB1)
2015-12-27 13:14:48 | [mlat][i]Waiting for MLAT configuration
2015-12-27 13:14:48 | [reader][i][0]Connected to the receiver, authenticating
2015-12-27 13:14:49 | [reader][i][0]Authenticated, processing messages
2015-12-27 13:14:49 | [time][i]Synchronizing time via NTP
2015-12-27 13:14:57 | [time][i]Time synchronized correctly, offset -0.0003 seconds
2015-12-27 13:14:57 | [main][i]Feed Network client started
2015-12-27 13:14:57 | [main][i]RAW data server started
2015-12-27 13:14:57 | [raw][i]Initializing server
2015-12-27 13:14:57 | [raw][i]Starting server on 0.0.0.0:30334
2015-12-27 13:14:57 | [feed][i]Downloading configuration
2015-12-27 13:14:58 | [feed][c]Interval: 5s
2015-12-27 13:14:58 | [feed][c]Latitude: -XX.XXXX
2015-12-27 13:14:58 | [feed][c]Longitude: 1XX.XXXX
2015-12-27 13:14:58 | [feed][c]GND: YES
2015-12-27 13:14:58 | [feed][c]NonADSB: YES
2015-12-27 13:14:58 | [feed][c]Timestamps: optional
2015-12-27 13:14:58 | [feed][c]Max range AIR: 350.0nm
2015-12-27 13:14:58 | [feed][c]Max range GND: 100.0nm
2015-12-27 13:14:58 | [feed][i]defined 2 servers
2015-12-27 13:14:58 | [feed][n]YMXXX@aus-1.fr24.com:8099/TCP
2015-12-27 13:14:58 | [feed][n]connecting
2015-12-27 13:14:58 | [stats][i]Stats thread started
2015-12-27 13:14:58 | [mlat][i]MLAT configuration received, service ENABLED
2015-12-27 13:14:58 | [mlat][i]Starting MLAT with preconfigured position: -XX.XX,XXX.XX,XXX.0
2015-12-27 13:14:58 | [mlat][i]MLAT bandwidth reduction active, level 1
2015-12-27 13:14:58 | [mlat][i]Configuring UDP connection udp:54.XX.XXX.XXX:19788
2015-12-27 13:14:58 | [mlat][i]Registering MLAT station
2015-12-27 13:14:58 | [mlat][i]Registering MLAT station: SUCCESS

Things also look fine on the feeder status page:
ac_map_size="3072"
build_arch="armv7l"
build_flavour="generic"
build_os="Linux"
build_revision="master-d6572f3.git"
build_timetamp="20151214-1410"
build_version="1.0.16-7"
cfg_baudrate="921600"
cfg_bs="no"
cfg_host="localhost"
cfg_mpx="yes"
cfg_path="/dev/ttyUSB1"
cfg_raw="yes"
cfg_receiver="sbs3usb"
cfg_windowmode="0"

Netstat:
tcp 0 0 *:30334 *:* LISTEN
tcp 0 0 *:8754 *:* LISTEN
tcp 0 0 *:ssh *:* LISTEN

Any thoughts or suggestions on how I can get the BS 10001 feed and the 30034 RAW feed going properly?

Thanks
Chris
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Acars for mac

December 28, 2015, 4:46 am
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I have downloaded the App for acars. Connected up as per help file(previously used airnav with windows) but it will not work. Cable is connected to headphone socket on back of mac, and then to scanner and tuned to 131.725. In the drop down menu for sound input, all I get is built in microphone. I am using a stereo cable, should I be using a mono cable, or does it not make any difference? Thanks
martin
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Some specific planes indicating wrong positions (ADSB) on FR24

December 28, 2015, 12:12 pm
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Hi

I have noticed that planes from 2 specific companies (charter), that do land and takeoff at the local airport here, are displayed with wrong positions on FR24. It can be anywhere from 10-100 meters. All other planes with ADSB are spot on, e.g. when they land or takeoff from the runway.
How can that be? Do they report wrong positions deliberately?
There are a number of official FR24 nodes in the local area, and also other nodes reporting to FR24, so i don't believe it can have something to do with bad coverage.
Just wondering!

br
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Help with DVB-T Device Path

December 29, 2015, 8:43 am
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Hello,
My name is Chandan Bhat and I am new here. I recently bought an USB DVB-T stick for the sole purpose of uploading data to FR24. I have read the manual and gone through the forums but to my dismay, I couldn't find a single post regrading this, thus I seek your help in this regard. I ran the FR24Feed application and it is asking me for the COM port number or the device path both of which I can't find. I don't know the device path as the USB is not seen in the Windows Explorer and don't know how to find the COM Port number. I have successfully installed libusbK.dll on the USB. I am currently running Windows 7 Ultimate 64bit. I am sure the people in this forum would be kind enough to help me :) .
Best Regards,
Chandan Bhat
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Help: How to clean fr24feed.log ?

December 29, 2015, 11:59 am
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Hi all,

my Pi running fine with feader software last version. But my log is getting bigger and bigger...
Can you give me an "How to" clean the fr24feed.log as a cron?

Thanks a lot,
Flash
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Aircraft nearby feeding distant antennas, not mine.

December 29, 2015, 8:20 pm
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I did not mount my antenna as high as the provided cable allowed, out of concern for occasional high winds that sweep through in winter. However, when an aircraft practically flies over my house, as the one in this screenshot is doing, and feeding an antenna over 150 mi away, I wonder whether I'm missing something. My upload speeds are in the 8 mbps range. Does anyone have any suggestions to improve this state of affairs? This is not an isolated instance, but the most egregious I've yet seen. TIA!


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