[time-nuts] Leap second - MSF time signal

Peter Vince petervince1952 at gmail.com
Sun Jan 1 16:30:41 UTC 2017


Hmmm, yes, you're absolutely right.  Now I'm confused!

     Peter


On 1 January 2017 at 16:21, Deirdre O'Byrne <deirdre.dub at gmail.com> wrote:

> Didn't the DUT1 code change from -0.4s during the minute starting 23:58:00
> to +0.6s during the minute starting 23:59:00?
>
> On 1 January 2017 at 16:06, Peter Vince <petervince1952 at gmail.com> wrote:
>
> > Hi Deirdre,
> >
> >      Well done getting such a clear recording!  Yes, the leap-second is
> > effectively inserted after the DUT1 code on MSF as you say, even though
> > that isn't crystal clear from the MSF spec document that David linked to.
> > The DUT1 codes refer to the "current" minute, whilst all the rest of the
> > time and date information refers to the next minute epoch!
> >
> >      Peter
>



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