Re: [Discuss-gnuradio] reconfigure flow graph with scope app

[Eric Blossom]

On Sun, Jan 25, 2009 at 11:34:34PM -0800, Larry Wagner wrote:
> Hi -
>
> I have a USRP with 2 RFX2400 daughter cards and need to calibrate the  
> local oscillator (LO) offset between them. To do this I want to modify 
> the multi_scope.py example to allow me to reconfigure the flow graph 
> without stopping. This is based on some external measurement I will do 
> followed by a keypress and possibly an input using raw_input().

Larry, 

If the 2 RFX2400 cards are attached to the same USRP, there will be no
LO offset between them. They are driven by a common ref clock provided
by the USRP motherboard.

Eric