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ACARS decoder

An open source Acars decoder with rtl_sdr frontend

As of 2016-10-23, this project may now be found at https://github.com/TLeconte/acarsdec.

5.0 Stars (7)
4 Downloads (This Week)
Last Update:

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Description

Acarsdec is an open source, multi-channels realtime ACARS decoder for Linux.

It features :
- up to four channels decoded simultaneously
- error detection AND correction
- input from sound file , alsa sound card or software defined radio (SRD) via a rtl dongle (http://sdr.osmocom.org/trac/wiki/rtl-sdr) or airspy (http://www.airspy.com)
- could send decoded acars to a server via UDP in planeploter format or its own dedicated format.

The 4 channels decoding is particularly useful with the rtl dongle. It allows to directly listen simultaneously to 4 different frequencies , with a very low cost hardware.

Since version 3.0, acarsdec comes with acarsserv : a database backend program to store received acars messages.

ACARS decoder Web Site

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User Ratings

★★★★★
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ease 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5
features 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5
design 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5
support 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 5 / 5
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User Reviews

  • 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    Works as designed on an RPi3. Had to edit Makefile as noted in the docs. Actually decoding 6 channels and the CPU looks like it could handle more. Yay! :)

    Posted 06/05/2016
  • 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    Works perfect on the Raspberry. Thanks a lot for that tool, made me totally happy. But I would like to ask if it is somehow possible to view/log the messages in the raw format? I really would need that one.

    Posted 06/22/2014
  • 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    This is a great tool. One question if it encounters a secure or signed ACARS message how would it show one of those messages?

    Posted 03/23/2014
  • 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    Excellent work Thierry! Works great on my Raspberry Pi. I have put a version on my GitHub that extends the code to send data to PlanePlotter over UDP. Unfortunately I can't put a link here, but you should be able to find it by searching for acarsdec on GitHub.com. My version also tweaks the gain control of an RTL SDR (by calling rtlsdr_set_agc_mode).

    Posted 03/14/2014
  • 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    Thierry I would echo David's review, seems very good on two frequencies, three overload the CPU on a Raspberry Pi. If use of the GPU could take some load off the CPU, that would be good. I also would suggest a TCP socket output for the data. This would enable use with Virtual Radar Server as well as Planeplotter. I will try to set up a Atom based machine over the weekend and trial it on that. Cheers Jon

    Posted 03/07/2014
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Additional Project Details

Intended Audience

Aerospace, Telecommunications Industry

User Interface

Console/Terminal

Programming Language

C

Registered

2007-03-26

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