• Decoding Software

Instructions 1 Download package or use precompiled 2 Untar and build tar zxvf aisdecoder-1.0.0.tar.gz cd aisdecoder-1.0.0 mkdir build cd build cmake./ -DCMAKEBUILDTYPE=RELEASE make NOTE! Windows build is tested with MinGW only! 3 Execute aisdecoder without any parameters to see help messages./aisdecoder Output help messages: -h Destination host or IP address -p Destination UDP port -a Audio driver pulse,alsa,file -D ALSA input device. Use '-D list' to see all available system devices.c Sound channels stereo,mono,left,right (default stereo) -f Full path to 48kHz raw audio file -l Log sound levels to console (stderr) -d Log NMEA sentences to console (stderr) -H Display this help Usage:./aisdecoder -h hostname -p port -a pulse,alsa,file -f /path/file.raw -l 4 Plug in your sound cable and calibrate the sound level by using -l The optimum level is 50-70% 5 Example: Decodes AIS data using Pulse Audio driver and streams NMEA to localhost UDP port 12345./aisdecoder -hlocalhost -p12345 -apulse.

Ais Decoder Software, free ais decoder software software downloads, Page 3. Software for decoding the AIS signals. We will assume you have the RTL-SDR dongle set up and working already. Some AIS decoder software written for the RTL-SDR such.

Decoding Software

The decoder will decode all the NMEA and AIS content of all 27 AIS message types (!AIVDM!AIVDO etc) including many binary messages.