[time-nuts] Next step up from basic GPS/PPS timekeeping
Hal Murray
hmurray at megapathdsl.net
Mon Feb 29 10:46:33 UTC 2016
ncguk at hotmail.co.uk said:
> and building a custom kernel for the Raspberry Pi to include KPPS
What distro are you starting with?
I'm using Debian. Their kernel includes PPS support, both Wheezy and Jessie.
> I had a DS3231 lying around so, ...
Are you setup to make long term measurements? It will be interesting to see
how it drifts.
I was surprised how easy it was to see the big steps in frequency as it
corrected for temperature changes.
http://users.megapathdsl.net/~hmurray/time-nuts/Temp-tcxo32khz-a.png
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