Re: [LEAPSECS] UT1 confidence

From: M. Warner Losh <imp_at_BSDIMP.COM>
Date: Thu, 18 Jan 2007 08:27:05 -0700 (MST)

In message: <20070118110427.GA14880_at_fysh.org>
            Zefram <zefram_at_fysh.org> writes:
: 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.

The good news is that even an incredibly stupid (in terms of knowledge
used) algorithm can predict almost 3 years out....

Warner
Received on Thu Jan 18 2007 - 07:29:15 PST

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