[time-nuts] live 50 Hz measurements

[Pieter-Tjerk de Boer]

On Fri, Jul 01, 2011 at 01:06:31PM -0700, Chris Albertson wrote:
> On Fri, Jul 1, 2011 at 12:46 PM, Will Matney <xformer at citynet.net> wrote:
> >
> > . For accuracy sake,
> > I'd still compare the line freq. to a standard, but that's just me.
> 
> If the computer used for this is also running "ntpd" the computer's
> clock is disciplined.  How well depends on what ntpd is using as a
> reference clock.   Assuming that some reasonable reference clock is
> being used he could in theory trace the measured frequency  to GPS.

Yes, the measurement computer is running ntpd, getting its time (via
two NTP hops) from GPS.

Regards,
  Pieter-Tjerk