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Re: [questions] Re: GPS+PPS vs NTP server, why a huge offset ?




> On 16 Jun 2022, at 17:57, David Woolley <david@ex.djwhome.demon.invalid> wrote:
> 
> On 16/06/2022 09:01, Thibaut HUMBERT wrote:
>> When I modify the PPS pulse length in u-center, the offset varies:
> 
> I would suggest you are detecting the wrong edge of the pulse.  You may need to add an inverter.

You can configure the ref clock to capture on the other edge, eg flag2 for PPS and NMEA drivers.

--
Daniel O'Connor
"The nice thing about standards is that there
are so many of them to choose from."
-- Andrew Tanenbaum
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