I am having trouble understanding the difference between radio select and
channels on the X310.
It appears that the X310 has a radio select A [FPGA block Radio_0] and B
[FPGA block Radio_1], but both of these only have one channel? Whenever I
try to use a channel 0 and channel 1 for Radio_0 I get the following error:

>
>
>   File "/home/delta3/rfnoc3/src/rfnoc-ootm/examples/top_block.py", line
> 477, in <module>
>     main()
>   File "/home/delta3/rfnoc3/src/rfnoc-ootm/examples/top_block.py", line
> 465, in main
>     tb = top_block_cls()
>   File "/home/delta3/rfnoc3/src/rfnoc-ootm/examples/top_block.py", line
> 92, in __init__
>     self.uhd_rfnoc_streamer_radio_1.set_rx_freq(4e9, 1)
>   File
> "/home/delta3/rfnoc3/lib/python2.7/dist-packages/ettus/ettus_swig.py", line
> 3261, in set_rx_freq
>     return _ettus_swig.rfnoc_radio_sptr_set_rx_freq(self, freq, chan)
> RuntimeError: LookupError: Path not found in tree:
> /mboards/0/dboards/A/rx_frontends/freq/value
>
Is there a way to enable a channel 0 and 1 for Radio_0? If not, is this
because of hardware limitations or because of software limitations?

Regards,
Anton Schlegel
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