[time-nuts] Re: Question about GPS 1PPS ADEV
Matthias Welwarsky
time-nuts at welwarsky.de
Sat Apr 16 17:20:57 UTC 2022
On Samstag, 16. April 2022 17:55:17 CEST John Ackermann N8UR wrote:
> Finally, it looks like you're comparing the raw PPS with an oscillator
> that is steered by that same PPS. I have to think their correlation
> could lead to possible and unpredictable errors. It would be better to
> have the OCXO remain unsteered during the measurement.
That's correct. But I'm not trying to characterize the OCXO or the GNSS
receiver. I was just wondering about this perceived discrepancy.
>
> Best,
> John
> ----
>
>
> > Best regards,
> > Matthias
> >
> > https://hamsci.org/sites/default/files/publications/2020_TAPR_DCC/
> > N8UR_GPS_Evaluation_August2020.pdf
> >
> >
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