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Terrestrial Reference Frame

north_american_plate_deformation

Terrestrial Reference Frame (TRF)

The Terrestrial Reference Frame product consists of a set of station positions and velocities.

 

VLBI solutions from which the above products are derived including explanations, comparisons and format information.

Terrestrial Reference Frame
Global VLBI TRF/EOP Solution 2008b

 

USNO Master Clock Time
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