Re: [Discuss-gnuradio] Measuring phase between channels

[Martin Braun]

On 17.06.2014 19:06, David Miller wrote:
> Hello,
> I want to measure the phase difference between three synchronised USRP
> channels (Common Ref & PPS), does software exist to do this, and to what
> accuracy, please?
> Sorry, this is a bit of a newbie question, and probably already covered!

Sure, the easiest way would simply be to put in a scope, and check by 
looking -- of course, that's not very accurate.

There's enough math operators in GNU Radio to see the actual phase 
difference, such as conjugate and multiply, then convert to phase.

Cheers,
Martin