Re: [Discuss-gnuradio] gr-ais not decoding AIS data

Strange. You have the correct settings. I'll look into that now.

I've been operating gr-ais from a separate branch lately (the "msk" branch), but it depends on some blocks which I haven't gotten permission to contribute back upstream yet. Hopefully by GRCon I'll have permission and can move them into master; the MSK sync blocks help a lot with AIS performance.

--n

On Tue, Aug 26, 2014 at 3:35 PM, Josh Hattery <jrhattery@icloud.com> wrote:

Hi,

I've just started poking around with gr-ais on a new Ubuntu 14.04 install. I grabbed it from https://github.com/bistromath/gr-ais.git and it compiled fine, but when I feed it "ais.dat" from http://www.nerdnetworks.org/~bistromath/ais.dat.tar.gz it doesn't output any AIS data:

:~$ ais_rx -s Downloads/ais.dat -r 256e3 -g 60
Using file source Downloads/ais.dat
Rate is 256000
Using Volk machine: sse4_2_64_orc
:~$

The data file looks good as the FFT and Waterfall plots in GRC clearly show the recorded AIS data. Is this an issue with the transition to gnuradio 3.7?

Cheers,
Josh

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