Hi all,

Can we have daughterboards TwinRX and UBX working under the same multiUSRP
object? For instance, two TwinRX attached to one USRP and two UBX attached
to another USRP creating 6 synchronized and phased aligned receiver
channels?

The discussion below stated that the sampling rate mismatch (100Msps for
the TwinRX and 200Msps for the UBX) do not allow for simultaneous operation
under the same USRP. But what about different USRPs?
https://lists.gnu.org/archive/html/discuss-gnuradio/2017-07/msg00021.html

If I try running the benchmark_rate having two TwinRX on the address 70.2
and two UBX on the 60.2 like:
*>> sudo /usr/local/lib/uhd/examples/benchmark_rate --args
"addr0=192.168.70.2,addr1=192.168.60.2" --rx_channels 0,1,2,3 --rx_subdev
"A:0 B:0" --rx_rate 1e6 --ref external --pps external*
I get the error:
*RuntimeError: Conflicting tick rates: One neighbouring block specifies
2e+08 MHz, another 1e+08 MHz.*

I also tried changing the master clock rate to see if we can match them,
but then I get that the X310 can't change their master clock rate at
runtime, even when I set these parameters as "stream_args" when I create
the usrp_source object.

Thanks,
Carlos
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