[ntp:questions] Re: Interpretation of frequency error / drift_comp

Maarten Wiltink maarten at kittensandcats.net
Thu Feb 23 17:45:17 UTC 2006

"Maarten Wiltink" <maarten at kittensandcats.net> wrote in message
news:43fdf0b8$0$11070$e4fe514c at news.xs4all.nl...
> The frequency offset is scaled from PPM to clock precision and added
> to the increment. So a value of +40 would result in 1.040 ms being
> added to the internal time on every tick, ...

No, wait, that's not right. Since it's added to the clock 1000 times
per second, it should be 1.000040 ms to come out at 40 PPM (µs/s) after
a thousand ticks.

Maarten Wiltink

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