Bureau International des Poids et Mesures US Naval Observatory IERS Conventions Center

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Conventions 2003: Chapter 4 Conventional Terrestrial Reference System and Frame

Text of chapter 4: PDF file.

Subroutines and other files for Chapter 4.

• GCONV - Driver and subroutine for transformation from cartesian to GRS80 geographic coordinates. Provided by T. Fukushima.

• ABSMO_NUVEL - Subroutine takes a site specified by its plate PSIT, its initial coordinates X0,Y0,Z0 at time T0, and computes its updated positions X,Y,Z at time T, based on the geological "absolute". Written by J.B. Minster, revised by D. Argus.

• PLATE2.PS - World map with the limits of the main tectonic plates.

Other information for Chapter 4.

• ITRF2000 - Information on ITRF2000.