Steve Allen wrote:
>http://www.ucolick.org/~sla/leapsecs/torino/arias_3.pdf

This is the really interesting one.  They present the accuracy of
simulated predictions of UT1, and that accuracy is much poorer than
the figures we've been discussing so far.  But they make it clear that
the prediction is by a naive algorithm, not even applying the well-known
periodic terms that are used in UT2.  This is obviously not the algorithm
used by IERS.

-zefram

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