The GPSDO can provide an "internal" 10 MHz/1 PPS signal. I'm not sure if that's what you meant or not: https://www.ettus.com/product/details/GPSDO-KIT
AFIAK, you cannot set the time of a USRP with a message. You may be able to use the XML_RPC block in gr-extras to call the function if it is exposed through gr-uhd. -John On Sun, Jun 16, 2013 at 10:30 AM, Jay Prakash <jay.prakash.ec...@itbhu.ac.in > wrote: > how can we set the time of usrp by sending it message. I know there are > function to (usrp.set_time_now()) do this from from top block variable but > can this be done by sending message at usrp port . > We can give internal reference signal of 10MHz but is there also a way to > give pps signal internally i.e. without using any external hardware. > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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