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Re: [Discuss-gnuradio] Units of data saved by filesink


From: CEL
Subject: Re: [Discuss-gnuradio] Units of data saved by filesink
Date: Thu, 25 Jul 2019 17:36:02 +0000

On Thu, 2019-07-25 at 13:24 -0400, Ellie White wrote:
> Hi Marcus,
> 
> Good to know. So how would you recommend I should convert these values to, 
> say, watts? 

I described exactly that in my other email.

> (I guess perhaps it would be watts squared due to the mag to mag squared 
> block).

No. Amplitudes are proportional to voltage, squared amplitudes to
power. Physics!

>  I assume I would first have to determine what the SDR considers full scale 
> -- do you have any suggestions on how to do that? 
> 

Calibration with a known power source.

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