[time-nuts] (no subject)

[Bob Camp]

Hi

Well then you would want at least an Rb as a holdover source "just in case" ….

Bob

On May 18, 2012, at 9:31 PM, Mark Sims wrote:

> 
> No,  actually it is for my alarm clock.  Ignore the sawtooth?   Poppycock!   What self-respecting time nut could possibly tolerate being woken up with a +/- 15 ns uncertainty...
> 
> -----------------------
> If this is for a computer and NTP then you may ignore the sawtooth.
> 
> GPS receiver sawtooth corrections are for people working at the
> nanosecond level; important when you're working with disciplining
> quartz or rubidium oscillators with stability at the 1e-12 level.
> 
> Computer timekeeping and NTP is a million times worse than this.
> 
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