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

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