In message: <[EMAIL PROTECTED]>
James Maynard <[EMAIL PROTECTED]> writes:
: M. Warner Losh wrote:
: > In message: <[EMAIL PROTECTED]>
: > James Maynard <[EMAIL PROTECTED]> 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.
It already is being broadcast in, eg, WWV.
Warner
