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  ITRF94

The classification of coordinates includes four classes: A, B, C and Z. The meaning of these classes is described in the file ITRF94CLA.

A detailed description of the analysis can be found in ITRF94.REPORT.

The solution is presented through four tables giving coordinates, each table including a class of points and through two tables giving transformation parameters between ITRF94 and class I and class II submitted solutions. A third table is a compilation of transformations for various reference frames. For class A positions at 1993.0 and velocities are given. For the other classes, positions and for most of stations velocities also are given (we have removed velocities which were clearly unreliable).

The checks of consistency of EOP series with their corresponding terrestrial and celestial reference frames are described in file ITRF94.REPORT, which gives also the values to add to the IERS EOP series to make them consistent with the IERS reference frames (Table 5). The individual comparisons are given in file ITRF94_EOP.CONSISTENCY.

In addition, a compressed SINEX file containing ITRF94 positions at 93.0 and velocities, is also provided : ITRF94.SNX.gz available by anonymous ftp : itrf.ensg.ign.fr in directory pub/itrf/itrf94.

All ITRF94 coordinate residuals on a site-by-site basis are available in file ITRF94.RESIDUALS.

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