[time-nuts] Atomic Clocks are 3 seconds fast

Azelio Boriani azelio.boriani at screen.it
Tue Oct 9 14:48:28 EDT 2012


WWV and WWVB are co-located so at first I will doubt of the clocks. Try to
listen to the WWVB too and compare the two very signals.

On Tue, Oct 9, 2012 at 8:22 PM, paul swed <paulswedb at gmail.com> wrote:

> No idea but no phase modulation is turned on
> Paul
>
> On Tue, Oct 9, 2012 at 1:29 PM, JULIAN TOPOLSKI <jjt99 at msn.com> wrote:
>
> >
> >
> >
> >
> > I have two La Crosse wall-mounted atomic clocks,  one is set for local
> > time (Mountain) and the other to UTC. They both are synchronized to WWVB
> > and display the same time to the second (by eyeball). However when I
> tuned
> > in WWV on 5 MHz (it's only about a 100 miles away so the higher
> frequencies
> > skip over me), the announcements indicate the clocks are both 3 seconds
> > fast. How can that be? Is it the effect of the new phase modulation? I
> > thought it would not affect a clock that sets to WWVB.
> >
> > Puzzled
> >
> >
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