timestamp transmission accuracy

Usman Haider usmanhaider89 at gmail.com
Sat Aug 20 10:55:25 UTC 2016

Can somebody please comment on it?


On Fri, Aug 12, 2016 at 5:53 PM, Usman Haider <usmanhaider89 at gmail.com>

> Hi,
> I am trying to run an application written in GNU Radio. The application
> insert tags e.g. "tx_time", "tx_sob" to control the transmission time. The
> value of "tx_time" is such that data is transmitted at start of new second.
> But I observe that the transmission and PPS is not synchronized when I see
> the transmission and PPS on scope. Sometime the transmission is late and
> sometime it is early. Has anyone faced this issue? Are there any examples
> that I can test. Thanks.
> --
> Usman
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