Hi All, Sorry I replied on my other Post ( Nanoseconds). That was not intended.
Thank you for the reply. To line up the 3 recordings with the timestamps will be a post processing I guess on GNUradio?? I also plan for NTP. But how do I simultaneously trigger recording with it. Ernest On Thu, Aug 25, 2016 at 3:10 PM, Marcus Müller <marcus.muel...@ettus.com> wrote: > Hi Ernest, > > > On 25.08.2016 07:07, Ernest Matey wrote: > > It is critical for me to start the recording simultaneously and > > synchronized to more than 100ms accuracy between the stations. > > > 100ms is a whole different story than nanoseconds in your other post; > You could probably achieve this 0.1s accuracy by coordinating computer > clocks (NTP, PTP) and then triggering recording with those. > > Anyway, since your hardware, as far as I know, doesn't allow for timing > control itself, doing exactly what Kevin recommended sounds clever: > you've inserted PPS signals in your sample stream, so use the very rough > PC-clock-aligned sampling start to give your "roughly aligned" streams, > and extract the PPS information from your recordings later on to > fine-align. > > Best regards, > Marcus > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >
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