You should be able to read the output of that command with [1].  Make sure
that you use the --file option before your output file name.  I tried the
command you ran and didn't get any output because I didn't have --file
before the output name.  Maybe a version difference?

By default it seems that the rx_samples_to_file saves samples as SC16
(short complex 16 bit).  I had assumed it would be FC32 which would require
the use of [2] to read.  You can change the output format (CPU format) with
the --type option.  Check the output of --help to see the type options.


On Mon, Jul 9, 2018 at 6:25 AM Wass Mailing <> wrote:

> Hello everyone,
> I am new on Gnu Radio, and I saw that it was possible to save images of a
> signal, however I would like to recover this signal in the form of data in
> order to carry out a statistical analysis and to see the evolution on a
> frequency wifi on which I circulate traffic and can make comparisons. So
> I wanted to know if it was possible to recover my signal in the form of
> non-binary data file as I do this command below and can analyze them on
> Octave (Matlab). Finally if is it possible to know the architecture of
> the file generated by this command:
> ./rx_samples_to_file --freq 2457e6 --rate 1e6 --gain 38.0 --duration 20
> usrp_samples2.dat
> Cordially,
> --Wassim BERRICHE
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