Re: [Discuss-gnuradio] Multiple Channel USRP Confusion

[Josh Blum]

You can only get side A signals on output A and side B signals on output 
B for the usrp dual source. Until now...

I have a branch were I added the option to change the A and B sources to 
select for different sides. 
http://gnuradio.org/cgit/jblum.git/log/?h=grc/dualusrp

Please try it out and let me know.
Thanks, -Josh

On 03/09/2010 10:33 PM, dan s wrote:
> Hi all,
>
> I am looking to simultaneously record two real signals (not with IQ) using a 
> single LFRX daughtercard.
>
> How can I do this with GNURadio companion?  I have spent a while looking at the 
> USRP Source and Dual USRP Source blocks and could not figure out.
>
> I am looking to record from Side A with RXA and RXB.  I tried setting the RX 
> Antenna setting to RXAB and used the complex to real block to extract channel 
> RXA, and complex to imaginary block to extract RXB.  I don't think this worked 
> properly.
>
> I also tried using two separate USRP source blocks, each on side A but one for 
> RXA and the other for RXB.  When I did this I got an error related to already 
> having one USRP side A block running.
>
> Any help would be greatly appreciated
>
> Thanks,
> Dan
>
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