[ntp:questions] Can NTP sync within 1ms

Rob nomail at example.com
Sun Apr 27 18:05:30 UTC 2014


jimp at specsol.spam.sux.com <jimp at specsol.spam.sux.com> wrote:
>> The listeners should enjoy a smooth reception while driving around.
>> So of course there should be no time lag between the modulation signals
>> of the different transmitters.  Experts in the field tell us we should
>> be within 12us.
>
> Unless I fat fingered the calculator, that means the difference in distance
> between transmitters relative to the receiver can be no more than 3.6 km.
>
> 300 meters per microsecond; it is the law...

The goal is not to have 12us difference in arrival time, but to be
within 12us for transmission time.



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