[ntp:questions] best gps receiver for time synchronization

David J Taylor david-taylor at blueyonder.not-this-part.nor-this.co.uk.invalid
Thu May 14 12:21:07 UTC 2009


John Hasler wrote:
> David wries:
>> .. but if something only needs millisecond timing, designing for
>> nanosecond accuracy is gross over-engineering, and likely rather
>> costly. 
> 
> There's no real cost: just a few bytes in a data structure.  Better
> to have it and never need it then to leave it out and later find it
> necessary. It's just room for expansion.

The cost depends on the system.
An atomic clock versus a quartz crystal, for example.

David




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