GNU AIS is software for demodulating and decoding Automatic Identification System messages used by ships to navigate. You will need a VHF receiver with discriminator output to get it to work.


http://gnuais.sourceforge.net





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Release Date:

2009-03-24

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  • Tracker artifact added

    idpnd created the AIS transmission artifact

    posted by idpnd 109 days ago

  • gnuais 0.2.0 file released: gnuais-0.2.0.tar.gz

    Fixed 6-bit ASCII decoding to also handle numbers and special characters. (Hessu) Latitude and longitude were mixed in the ais_basestation MySQL table, fixed. (Ruben) The separate gnuaissavetofile program was removed. (Ruben) Fixed MySQL handling in the configure script. (David Herring)

    posted 231 days ago

  • File released: /gnuais/0.2.0/gnuais-0.2.0.tar.gz

    posted 231 days ago

  • gnuais 0.1.0 file released: gnuais-0.1.0.tar.gz

    0.1.0: Improved AIS decoding DSP code. Added JSON AIS HTTP POST data exporting. Implemented decoding from a stereo sound card, either left, right, or both channels at the same time. Supports two receivers on the two AIS channels. Implemented sound peak level logging at configurable interval, or every 30 seconds when the level is higher than 98%. Added configurable logging to stderr/syslog/log file. Added a nice configuration file and command line parser. Implemented forking to background (-f). Removed separate gnuaisfromfile.c file, since it was almost completely duplicate with ais.c - the "read from file" functionality is now done using the -l option to gnuais. Reduces maintenance work. Fixed buffer overflow (security) bugs in the SQL query generation. The SQL code crashed on SEGV when run with file input (lots of data coming in and overwriting the query buffers). Implemented automatic reconnection to MySQL if the connection goes away (server crash, network outage, inactivity timeout). Fixed memory corruption bugs, now works when compiled with -O3.

    posted 324 days ago

  • File released: /gnuais/0.1.0/gnuais-0.1.0.tar.gz

    posted 324 days ago

  • gnuais 0.0.7 file released: gnuais-0.0.7.tar.gz

    Not much have changed but it can now decode positions south of equator thanks to a patch supplier.

    posted 509 days ago

  • File released: /gnuais/0.0.7/gnuais-0.0.7.tar.gz

    posted 509 days ago

  • gnuais 0.0.6 file released: gnuais-0.0.6.tar.gz

    Added GUI which is in development. A lot of work to do yet.. There have also been made some minor fixes. For example the configure script now checks for alsa and gtk.

    posted 626 days ago

  • File released: /gnuais/0.0.6/gnuais-0.0.6.tar.gz

    posted 626 days ago

  • gnuais 0.0.5 file released: gnuais-0.0.5.tar.gz

    posted 631 days ago

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