[Discuss-gnuradio] Using GRC without UHD

Hello GR,

Are there any fake sink and source blocks which simulates the uhd sink and
source.
I would like to test some flow graphs but for the moment I don't have access
to the radios.

Or is there any other option, let's say using a channel block between the Tx
and the Rx.

Any hints or explanation are well appreciated.

Regards,
Ruecan



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