[tz] delta T projections

[John Sauter]

Another good paper on delta T from Stephenson, Morrison and Hohenkerk
is "Measurement of the Earth's rotation: 720 BC to AD 2015".  The
paper's data, which includes projected values of delta T from the year
-2000 to the year +2500, is at

http://astro.ukho.gov.uk/nao/lvm/

Also, the IERS in their Bulletin A projects UT1-UTC a year in advance,
and gives a formula for extending that projection.  It is easy enough
to convert UT1-UTC to delta T if you have a table of leap seconds.
    John Sauter (John_Sauter at systemeyescomputerstore.com)
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