Re: [Discuss-gnuradio] Not recording it all

On Sat, Nov 23, 2013 at 10:44 AM, Paul B. Huter <paul.b.huter@gmail.com> wrote:
> I ran my "record" setup for over 10 seconds, but when I run the data file
> back through my "playback" I only get about two seconds (if that) of result.
> What happened to all the data, and how can I change things next time to get
> all the data?
>
> My record setup is as follows:
>
> Rate: 50M
> USRP Source
> Low Pass Filter
> Decimation: 50
> Cutoff Freq: 15M
> Transition Width: 5M
> File Sink
>
> Paul B. Huter


Try this. You only want to capture for a certain length of time, which
means a certain number of samples. So put a gr::blocks::head block
between the filter and file sink. The number of items you'll want is
going to be samp_rate (samps/sec) * time (secs) (and we know samp_rate
here is 1 Msps). That will store exactly that many samples and then
shut down the application.

Tom

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