Any ideas where to look ?I'm not actually quite sure i have everything
implemented correctly, but I did as best i could find, on the web, and nothing
had an example with a WWVB board.Everything was GPS based.
On Tuesday, October 22, 2024 at 10:44:57 AM CDT,
infection.many...@aceecat.org <infection.many...@aceecat.org> wrote:
On Tue, Oct 22, 2024 at 09:28:54AM GMT, Miroslav Lichvar wrote:
> These values are bad. A well-working PPS source should show much
> better skew and std dev. A rpi should be capable of getting below 1
> ppm and 100 microseconds. I suspect there is still something wrong
> with your setup. Maybe some noise is picked on the GPIO.
Here are mine:
3+0 ~$ chronyc -N sourcestats
Name/IP Address NP NR Span Frequency Freq Skew Offset Std Dev
==============================================================================
PPS0 10 7 145 -0.000 0.010 -1ns 292ns
RPi 3B + bookworm, Uputronics GPS hat
--
Ian
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