Chapter 4: Terrestrial reference sytems and frames
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Updates
- 1 April 2019:
- Chapter 4 has been re-written to accommodate the following updates:
- A description of ITRF2014, with its associated equations, to model the nonlinear station motions due to seasonal signals and post-seismic deformation of stations subject to major earthquakes.
- A description of the mathematical model used in the ITRF combination.
- A revision of Table 4.1, listing the transformation parameters relating ITRF2014 to previous ITRFs.
- Improvements in wording and the removal of unnecessary paragraphs.
- Chapter 4 has been re-written to accommodate the following updates:
Software
- GCONV2.F - Transforms from cartesian to geographic coordinates
Additional Information
- ITRF solutions - Information on ITRF solutions since ITRF94.
- Figures associated with this chapter.