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Re: [Discuss-gnuradio] Probe Avg Mag^2 - Display/Store values

From: Cinaed Simson
Subject: Re: [Discuss-gnuradio] Probe Avg Mag^2 - Display/Store values
Date: Sun, 11 Nov 2018 20:59:53 -0800
User-agent: Mozilla/5.0 (X11; Linux i686; rv:52.0) Gecko/20100101 Thunderbird/52.9.1

The fragment of the flowchart you sent was for a USRP.

For the HackRF, you need to use the Osmocom Source.

See the HackRF tutorials at


which should get your started with Gnuradio and the HackRF.

And then the Gnuradio tutorials at


for advance topics.

The bottom line is you can only calculate the relative power - see the
FAQ at


-- Cinaed

On 11/11/2018 04:45 AM, ALEJANDRO RAMIRO MUNOZ wrote:
> Hey all!
> I'm newly using GNU Radio with a HackRF SDR as source and *I want to
> visualice power values of a certain frequency and store them in a file*
> for later processing in MATLAB.
> I've seen in some example flowgraphs, like the one attached, there's a
> "Probe Avg Mag^2" box, but I don't how it works, does it store the power
> values somewhere? How can I visualize those values? Is there any other
> block for that purpose?
> Thank you so much in advance,
> Cheers!
> Alejandro
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> Discuss-gnuradio mailing list
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