UT12TT:
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Converts UT1 (time scale based on the rotation of the earth)
to Terrestrial Time (also known as TT or terrestrial (dynamic)
time). UT1 = TT - DT where DT is determined from astronomical
observations.
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Form:
jDTT = UT12TT( jDUT1 )
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Inputs
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jDUT1 (:,:) Julian date Universal Time 1
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Outputs
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jDTT (:,:) Julian date Terrestrial (Dynamic) Time
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Children:
Common: Time/DeltaT