Re: [LEAPSECS] Risks of change to UTC

From: James Maynard <james.h.maynard_at_USA.NET>
Date: Fri, 20 Jan 2006 14:32:43 -0800

M. Warner Losh wrote:
> In message: <43D15F4C.5_at_usa.net>
> James Maynard <james.h.maynard_at_USA.NET> writes:
> : ones position using sight reduction tables. Today a mechanical watch or
> : chronometer, or a battery-powered wristwatch, can be set to UTC using
> : radio time signals. Then when power fails, the sailor still has a
> : reasonably accurate spprodximation to UT1 available.
>
> If DUT1 is broadcast, then one can set the time keeping device to UT1
> by a means similar to setting it to UTC, even if DUT1 exceeds 0.9s
> with a similar accuacy (or better). There's nothing that says a watch
> has to display UTC to be set correctly.
>
> Warner
>
> .
>
And how is DUT1 to be broadcast in a language-independent manner? That
protocol needs to be established well in advance.

--
James Maynard
Salem, Oregon, USA
Received on Fri Jan 20 2006 - 14:33:23 PST

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