Hello Terje!
Terje Mathisen wrote:
... I was just trying to persuade the OP that it was unrealistic to expect
> better than PPM agreement between various methods to determine the
"average" drift value.
Of course I took your comments about the precision that one can
reasonably expect from these experimant seriously. I didn't mean to
argue against them. I just wondered whether the two experiments showed a
difference of 500 ms per day because I was actually measuring different
values (live vs. averaged drift value).
> [two modem calls ... free-run for a week]
The resulting offset was 60 ms. :-)
You achieved an exceptionally good precision of 60ms per week with just
two phone calls. I have all the "intellegence" of NTP and only achieve
500 ms per day. I should try harder, don't you think? :-)
Cheers
Daniel
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