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BS ISO 19161-1:2020

BS ISO 19161-1:2020

$142.49

Geographic information. Geodetic references – International terrestrial reference system (ITRS)

Published By Publication Date Number of Pages
BSI 2020 26
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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.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Symbols and abbreviated terms
11 5 ITRS: overview
12 6 Realizations of ITRS
6.1 Description of a realization of ITRS
6.2 Classification of realizations
6.2.1 General
6.2.2 Primary realization of ITRS
6.2.3 Secondary realization of ITRS
6.3 Types of TRF
6.3.1 General
13 6.3.2 Crust-based TRF
6.3.3 Satellite Ephemerides based TRF
6.4 Methods for secondary realizations of ITRS
7 Conformance of a secondary realization of ITRS
15 Annex A (normative) Methods of determining positions in an ITRS realization
18 Annex B (informative) Description of ITRS and ITRF
21 Annex C (informative) Major reference frames aligned to primary and secondary ITRS realizations
23 Bibliography

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BS ISO 19161-1:2020
$142.49