On Mon 2006-01-16T12:11:04 +0000, Michael Deckers hath writ:
>    UTC (since 1972) is a disseminated timescale that is equal to TAI
>    except for additional date and time codes transmitted with the
>    signal. These codes indicate the values of TAI - DTAI for each
>    full minute of TAI - DTAI.

Now I am confused.

By my reading of the documents, ITU-R did not define DTAI until the
most recent revision of TF.460 in 2002.  DUT1 had been defined since
very early on.

Steve Allen                 <[EMAIL PROTECTED]>                WGS-84 (GPS)
UCO/Lick Observatory        Natural Sciences II, Room 165    Lat  +36.99858
University of California    Voice: +1 831 459 3046           Lng -122.06014
Santa Cruz, CA 95064        http://www.ucolick.org/~sla/     Hgt +250 m

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