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.
--
James Maynard
Salem, Oregon, USA