[lug] Time sync w/GPS or radio

David L. Anselmi anselmi at anselmi.us
Sun May 18 17:10:50 MDT 2008

Jason Vallery wrote:
> Hi All,
> I'm a bit late to this thread, but I was working on a separate project

As long as we're posting late...

> If you look at the NMEA spec the data stream contains the UTC time.
> It seems like it would be pretty trivial to write up a shell script
> that monitors the serial interface and sets the clock based on the
> incoming data stream.

You probably can set the clock from that and for most uses that might be 
fine.  But you won't get the accuracy or clock discipline that NTP can 
get from a PPS signal, right?

(And we all know sysadmins love disciplining their clocks...)


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