ISO-19161-1 › Geographic information - Geodetic references - Part 1: International terrestrial reference system (ITRS)
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This document provides the basic information and the requirements related to the International Terrestrial Reference System (ITRS), its definition, its realizations and how to access and use these realizations.
This document:
— describes ITRS following the definitions and terminology adopted by the International Union of Geodesy and Geophysics (IUGG), the International Association of Geodesy (IAG) and the International Astronomical Union (IAU);
— describes different categories of ITRS realizations: its primary realization, labelled the International Terrestrial Reference Frame (ITRF), other existing realizations of reference systems that are mathematically derived from the ITRS, and realizations that are aligned to the ITRF, such as GNSS-specific reference frames;
— categorizes procedures for realizing the ITRS.
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Document Number
ISO 19161-1:2020
Revision Level
1ST EDITION
Status
Current
Publication Date
Jan. 1, 2020
Committee Number
ISO/TC 211