On Fri, Jul 01, 2011 at 01:06:31PM -0700, Chris Albertson wrote:
> On Fri, Jul 1, 2011 at 12:46 PM, Will Matney 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
> clo
From digest vol 84 issue 7:
Date: Fri, 1 Jul 2011 13:06:31 -0700
From: Chris Albertson
To: xfor...@citynet.net, Discussion of precise time and frequency
measurement
Subject: Re: [time-nuts] live 50 Hz measurements
Message-ID:
Content-Type: text/plain; charset=ISO-8859-1
On Fri
On Fri, Jul 1, 2011 at 12:46 PM, Will Matney 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
Pieter-Tjerk,
Now that is exactly what I had pictured in my head yesterday, and the day
before. The chart will give a comparison, over a long time period, of any
deviation. We do the same with calibrations, when we're looking for the
deviation on voltage and resistance, over a month to a year. It'
Hello 50 & 60 Hz nuts,
The recent discussions here on measuring the mains frequency and
phase prompted me to revive an experiment I set up some 3 years ago.
Live data about the phase and frequency of the 50 Hz mains here in
the Netherlands can now be viewed at:
http://websdr.ewi.utwente.nl:8901/
