[time-nuts] Re: Does cm accurate GPS via RTK give more accurate time?
Poul-Henning Kamp
phk at phk.freebsd.dk
Tue Apr 29 14:11:36 UTC 2025
--------
Hal Murray via time-nuts writes:
>
> Pavel said:
> > But when it comes to sawtooth correction, I used another approach in my
> > design. It seems that the combination of high frequency input from GPS
> > module, the clock jitter of Raspberry Pi Pico GIO and Kalman filter is
> > able to smooth/smudge this problem. Not for 100%, but I am working hard
> > on it.
>
> Every time I see something like that, I start thinking about hanging bridges. :)
And that most people overlook that the average of hanging bridges is not zero.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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