[tz] Fwd: Bulletin C number 58

Steve Allen sla at ucolick.org
Sat Jul 27 04:49:56 UTC 2019

On Fri 2019-07-26T23:16:08-0400 David Patte hath writ:
> For my products I use an algorithm (Meeus; Astronomical Algorithms 1998) to
> 'predict' deltaT into the future. Does anyone have a good source for a more
> recent algorithm that takes into account IERS values since 1998?

at the moment we seem to be pretty close to "Matsakis parabolic"
but there are no guarantees

Steve Allen                    <sla at ucolick.org>              WGS-84 (GPS)
UCO/Lick Observatory--ISB 260  Natural Sciences II, Room 165  Lat  +36.99855
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