[Discuss-gnuradio] Need help: How to extract timestamps of data for UHD mimo source block?

Hi everyone,

I set up 4 USRP2 boards for MIMO receiver system for array antennas, and use
the PPS signal to synchronise them. I wish to collect the data from the
boards as well as the associated timestamps for the four boards.

Could someone teach me how to read the time stamps from a UHD mimo source
block? Do I need to modify the block in C++ or Python scripts?

Thanks so much for every help and suggestions.:clap:

Best regards,
Hongliang
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