This project is supposed to synchronise with the Internet via a PC to
> ensure "accurate timekeeping"
>
> How accurate can it be, when any time signal derived via the internet
> will be delayed by the unpredictable latency of the network ?
>
> The claimed accuracy in stand alone mode, running off a watch crystal
> is 2 seconds a day. Are you really going to improve it by a daily
> sync with the net ? I would have thought that all you will achive will
> be to keep the clock in step with your PC and the net service from
> which the PC's time is derived +/- the latency error.
>
> Any ideas ?
>
> Dave G
Any errors from network delays will only last till the next synch and if they are small will not matter. A 2 seconds a day error will be 1 minute a month because that error is cumulative.
John G.