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Can't register new receiver

October 3, 2018, 2:03 pm
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Alright, I'm all out of ideas...
I recently got a Pi Zero W and a SDR dongle, specifically to build my own FR24 receiver and this evening, I tried to set it up.
I wrote the image on the SD card, plugged everything in and clicked the link to the "activate Pi" site, where it asked me to create an account. I logged in with my Google account and reloaded the activation page. It asked me to log in...
After retrying a few times, I figured I'd attempt a manual install over SSH and got "gpg: keyserver receive failed: Verification failed in DNS".
Next I tried my regular Pi 3 because maybe it just doesn't like the Zero? Same result, both with the automated activation and the manual install.
I completely rewrote the image, tried everything again, no luck.

Am I missing something? Is the FR24 site broken so that it just cycles me through login prompts ad infinitum? Or am I doing something wrong during the setup?

Any help or even ideas would be greatly appreciated because I'm all out of the latter and I really want to get this working.
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Connected but no plane to feed since 2 days ago (FA running fine though)

October 4, 2018, 10:00 am
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Hi,

First post here but feeding for 2 years without issues (except early this year like many others).

Since 2 days, it appears I am connected but have no planes tracked and fed to FR24 anymore. fr24feed-status says "Receiver is down". However, I am still feeding as usual to FA, RB,... Therefore only FR24 is seeing no plane.

My installation was made through JP' scripts. I am now running version 1.0.23-7.

Any clue on what could have happened and how to solve it?

Thanks!
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Multiple Emails for alerts setup on the web

October 4, 2018, 10:39 am
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Hi Everyone,

I have a business account and would like to notify multiple email addresses when something sounds off an alert on my account. Is is possible to have multiple email address in for this?
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F-WSSS1 is 5 years old on 29 Sept 2018

October 5, 2018, 12:27 am
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F-WSSS1 is already 5 years old on 29 Sept 2018.

Time really flied, just like these airplanes.

I have seen the growth of traffic feeds and big increase in the number of feeders in the last 5 years.

(Instead of celebrating last Saturday for 5 years of feeding into this network, I spent 5 days in a hospital ICU and back home yesterday ).

F-WSSS1, Birdie
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Different gain for day and night

October 5, 2018, 10:02 am
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Has anyone else tried using different gain settings for daytime and nighttime?

I've been trying this for the last couple of weeks with good results.

A bit of background first:
Raspberry Pi, RTL-SDR dongle, LNA, homemade coax collinear antenna, all in a loft.
House is between Heathrow and Luton, under fairly busy airspace.

I had noticed that overnight my signal level and noise levels were well below what they were in the day. I had set gain so that the max level was around -3dBFS, so the setup was about as as good as a newbie like me could do. I realised that the high levels were caused by aircraft in stacks or approach/departure, and that as noise considerations meant this didn't happen overnight, I might be able to increase my sensitivity during that time.

Looking at the signal level plots, I reckoned a good time for switching was 2330 and 0530. I made copies of the dump1090-mutability config file with different gain settings, and created cron jobs to copy them into /etc/default then restart dump1090-mutability.

Timings and gain settings will obviously vary by location, but I can increase the gain by around 10 dB overnight. This brings max signal level and noise back to what they are in the day. Message rate and coverage/max range are now better at night than in the day. YMMV!

I noticed that the stats do odd things at the switchover (e.g. the message rate spikes). I assume this is related to some buffering during the restart. I've got a small concern about how the restart might manipulate the stats, but haven't noticed anything else yet.

Would love to hear people's thoughts and experiences of this.
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Next Flight

October 5, 2018, 12:05 pm
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Last Saturday (29/09/18) I flew from Stansted to Dublin on FR203. I left an item on board, and am trying to get it back. Ryanair just say that they'll hand it in to the airport, and Dublin airport don't have it. I'm trying to figure out where the plane went next, so that I can contact that airport, but have drawn a blank. (Ironically, Dublin airport say that they don't handle anything found on planes.)

I have bookmarked two links that I found, but I'm not entitled to post them.

I was wondering if anyone can point me in the right direction?

Thanks in advance!
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аэропорт минводы

October 6, 2018, 12:07 am
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вот уже который месяц сайт показывает на земле в минводах борты ра26004, ра26003 и еще какой то ..что это такое
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Houston, we have a problem, no ... Really there's a problem for me in Houston.

October 6, 2018, 12:58 pm
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Hello ...

One of the major airports the I fly into and use the tracking to put into videos etc....

Houston, we have a problem when tracking an aircraft/flight that is going into the Houston Intercontinental Airport (KIAH) the tracking is off from the map. It lands flight south of the airport on the map, this playing from a past flight.

If you look at current active flights it shows correctly.

FR24Example.jpg

Is there a way to correct this from the webpage, or is something that would be corrected from you guys? Or will I need to edit the kml/cvs files?

Thanks for any information...
Attached Images
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SMS alert for squawk 7700!

October 6, 2018, 4:31 pm
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Dear hobbists!
Here's a Linux script that sends me an SMS if a target in my coverage area "squawks 7700".

I'm feeding the FR24 network with a Raspberry Pi3 but I think any Linux box will comply with this!
SSH to your machine and...

# sudo su
# nano /etc/fr24feed.ini

bs="yes"

# apt-get install inotify-tools
# cd
# nano squawk.sh

Code:
#!/bin/bash
sleep 15
curl -v --silent localhost:30003 2>&1 | grep ",7700," >/tmp/7700.txt &
while true; do
inotifywait /tmp/7700.txt
sms=$(tail -n1 /tmp/7700.txt)
curl -X POST "[SMS API URL FOR MY VOIP PROVIDER HERE]"
sleep 120
done
# chmod +x squawk.sh
# nano /etc/rc.local

Insert /root/./squawk.sh before "exit 0"

# reboot

And yes... this recipe is a bit obscure and incomplete!
In simpler words: your machine will execute the commands that I've highlighted every time it receives an ADSB message with a 7700 squawk code.
In my case it populates the "sms" variable with the ADSB message containing the "7700" string and send it to me via SMS.
Can't show you the SMS API url since I'm paying for this (1€ for 10 sms)
You'll have to find a voip provider in your country that supplies SMS API.

NOTE: caution with any automated script that can spend your money!!!!!
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Метки

October 7, 2018, 4:01 am
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Подскажите, пожалуйста! Почему некоторые самолёты над океаном - оранжевого цвета. Именно в версии для iOS. Пользователи версии для Андроид говорят, что у них такого нет!
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Color of plane on map

October 7, 2018, 9:46 am
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Tell me please! Why in the Flightradar24 version for iOS planes over the ocean of orange color? And in the version for Android all yellow?
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NewUser - Trouble Registering a Feeder / Keyserver Issue

October 7, 2018, 1:03 pm
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Hi there,

Newbie question on setting up a feeder.

I created the SD card and tried to register an RPi3 feeder to my account.
After powering up and waiting for a while the feeder was not listed on the "Activate New Receiver" webpage.

So, I tried the "If your receiver is not in the list above please follow the instructions here" link and ran the script it recommended via SSH.
The script runs, but after a while it fails and displays the following message:

gpg: keyserver receive failed: Cannot assign requested address

Note that I am not overly proficient with linux/raspian etc. so appreciate any help suggestions be somewhat simplistic.

Thanks in advance !
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Next UFO sighting?

October 7, 2018, 9:45 pm
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Hello,

I saw some unidentified flying object in the sky at 03:45 UTC on 08.Oct.2018 passing over Kassel, Germany, in the direction west-west-north. It appeared to go as fast as most passenger jets appear to go in the sky, perhaps a Little bit faster. It was very bright in the night sky, brighter like other stars and diffuse. I couldnot identify it properly. I noticed at flightradar24 some airliner which was heading in almost the same direction just a half Minute later. It was the only airliner in this Region close to that object: KLM810, Registration PH-BQK. It must have seen This object. The visibility was very good. I ve got photos but the object is only a small white patch. I ask myself if pilots of one of this airliner could see something. The ISS was at this Moment somewhere over Pacific Ocean.
Thanks for help.
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Feeder Business plan subscription

October 8, 2018, 12:07 am
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Hi,

Last week I've been testing out a homebuilt ADS-B receiver and feeding data to FR24. Everything worked fine, but I had to take down the receiver, because I was planning a more permanent setup. This morning I found a PayPal invoice for $605. I tried contacting FR24 support, explaining this situation, since if I don't get a refund, I will literally have to be homeless for half a year.

I wanted to cancel the subscription, but there is no button to do so on the Billing page. I have not received any warnings from FR24 about my free trial ending.

Has anyone ever encountered this? Is it possible to receive a refund?
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SBS3 Registration

October 8, 2018, 2:54 am
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I 1st hooked up my SBS3 back in 2012 with my email.
now it's still feeding, or this is what I at least believe, as I can still see planes carrying my SBS3 name.

When I tried to login to flightradar24. I asked to reset my password, it says the email is not on their database.

how come? and why is that happening?
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How to make the departure and arrival schdeules Up to date?

October 8, 2018, 3:00 am
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The airport I feed for, has an obsolete data of departures and arrivals
some routes are suspended or withdrawn completely from that airport, but they still show on the list and showing always delays.

some airlines schedules don't show at all, even thou they are active and frequent scheduled flights.

How to update that or help getting it up to date?
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Antenna, bigger not better?

October 9, 2018, 6:21 am
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Hi!
I've recycled a super-high-quality antenna which was used for a really big outdoor wifi (2.4 ghz) coverage.
Used hi-end coax cable and nice adapter (to N-MALE).
Got all the stuff connected and.... poof.... ZERO ADS-B messages per second.
Usually I get 100 nautical miles range with my finger-sized bundled antenna!! (from Nooelec).
Photo of this big antenna attached (the cell phone gives you an idea of the scale).
Any hints?
Cheers,
Francesco - T-LIRF54

20181009_150828.jpg
Attached Images
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RAF Lakenheath visiting F-18 videos off USS Harry S truman etc

October 9, 2018, 4:16 pm
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Hi all, On 9th October 2018 o went to RAF Lakenheath England to see and film the visiting F-22 raptors and F-18 hornets off the USS Harry S Truman aircraft carrier which is currently off Portsmouth England https://en.wikipedia.org/wiki/USS_Harry_S._Truman ive uploaded the first few videos so enjoy them here https://www.youtube.com/user/AwesomeFullHDvideos/videos in the next day or 2 I will upload footage of the F-18’s taking off and returning with hard landings & other footage from the day.
Cheers
Dave
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Automated alert for squawk 7700

October 7, 2018, 1:21 am
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Hello hobbists!
The script down below sends me an SMS every time a target in my coverage area squawks 7700.
I'm feeding FR24 with a Raspberry Pi3 but any Linux installation should comply with this.
SSH to your box and...

1) nano /etc/fr24feed.ini

Code:
[...]
bs="yes"
[...]
2) sudo su
3) apt-get install inotify-tools
4) nano /root/squawk.sh

Code:
#!/bin/bash
sleep 15
curl -v --silent localhost:30003 | awk -F, -v OFS=, '{if ($18 =="7700") print $5,$18}' >/tmp/7700.txt &
while true; do
inotifywait -e modify /tmp/7700.txt
sms=$(tail -n1 /tmp/7700.txt)
curl -X POST "[OBFUSCATED]"
sleep 120
done
5) chmod +x /root/squawk.sh
6) nano /etc/rc.local

Code:
[...]
if [ "$_IP" ]; then
  printf "My IP address is %s\n" "$_IP"
fi
/root/./squawk.sh    <----- ADD THIS
exit 0
7) reboot

That's it. The idea is that when you receive an ADS-B message with a "squawk 7700" indication, the script executes the highlighted portion of the code.
I had to obfuscate the "curl" string that enables me to send SMS since it's a paid service (approx. 1€ for 10 sms).
If you prefer use the "mail" command!
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Flightradar24 is hiring developers

October 10, 2018, 6:02 am
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Hi everyone!

We're recruiting towards several positions in the Flightradar24 engineering team currently, and we'd love to see applications from talented developers in our community:

Senior C++ Developer
(develop software and architecture for processing of large volumes of flight positions and related data)

IoT Software Developer (ADS-B & Mode S)
(develop our receiver software, everything from hardware communication to ADS-B decoding, tracking algorithms, and messaging and UI)

Node.js Developer (API & Web)
(develop APIs that connect our data with our website and apps)

Front-end Developer (JavaScript)
(develop and modernize the front-end stack for our website)

Read more about each position at https://careers.flightradar24.com/

All positions can be based in Stockholm, Sweden, but we'd be happy to speak to candidates globally since we also work with remote team members in some cases.

Feel free to contact me if you have any questions!

Thanks,
Jens
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