On 2022-01-28 18:11, Paul Atreides wrote:
yes, set to 1.0
I suspect anything that's long enough to allow the streams to all arrive at a notional "synchronization point" is enough.



On Fri, Jan 28, 2022 at 5:59 PM Rob Kossler <[email protected]> wrote:

    Did Marcus' suggestion below about setting the start time fix the
    issue?

    On Fri, Jan 28, 2022 at 11:31 AM Paul Atreides
    <[email protected]> wrote:

        single

        On Fri, Jan 28, 2022 at 11:18 AM Marcus D. Leech
        <[email protected]> wrote:

            On 2022-01-28 10:38, Paul Atreides wrote:
            Rob, I’ve been able to extend the functionality of gr-uhd
            to include the enable switch for each LO distribution
            port. Thank you for the information.

            I am now having synchronization issues with the transmit
            stream in the GNURadio. It appears as though the radio
            channels are not starting at the same time. Are you aware
            of any commands that you’ve had to run from external
            applications that ensure the start time for both
            transmitters is the same?

            <end transmission>

            WHen specifying a "start time" in the GRC UHD Sink block
            of anything >= 0.0, this code is inserted into the
            generated Python:

            self.uhd_usrp_sink_0.set_start_time(uhd.time_spec(0.5))

            Are you using a single 10GiGe link, or using dual links?




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