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GB/T 47327.2-2026Measurement and service of Earth Orientation Parameters (EOP) - Part 2: Products and services (English PDF)

地球定向参数（EOP）测量与服务　第2部分：产品与服务

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

March 31, 2026

Implementation date

July 1, 2026

Scope

GB/T 47327.2-2026 is the English-translated version of 地球定向参数（EOP）测量与服务　第2部分：产品与服务.

GB/T 47327.2-2026 is the Chinese standard "Measurement and service of Earth Orientation Parameters (EOP) - Part 2: Products and services". Its scope clause reads: This document specifies the content, type, accuracy, format, and service requirements for geoorientation parameter product documentation.

This document applies to the generation, service, and application of Earth orientation parameter products. Its clauses include terms and definitions; abbreviations.

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Document preview — GB/T 47327.2-2026

National Standard of the People's Republic of China

ICS: 49.140
Classification: A 76

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
Introduction
1.Scope
2 Normative References
3.Terms and Definitions
4.Abbreviations
5.Product Types and Naming Rules
5.1 Product Type
5.2 Product Document Naming Rules
6.Product Accuracy and Evaluation Methods
6.1 Product Accuracy
6.2 Evaluation Methods
7 Product Formats
7.1 Final Product
7.2 Daily Report Product
8 Product and service requirements
8.1 Product Service Methods
8.2 Product update timeliness
8.3 User Acquisition Methods
Appendix A (Normative) Final Product Document Format and Examples
Appendix B (Normative) Daily Report Product Document Format and Examples
Appendix C (Informative) Customized User Application Form

1 Scope

This document specifies the content, type, accuracy, format, and service requirements for geoorientation parameter product documentation.

This document applies to the generation, service, and application of Earth orientation parameter products.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 17159 Terminology for Geodesy

GB/T 39267 BeiDou Satellite Navigation Terminology

GB/T 47327.1 Earth Orientation Parameters (EOP) Measurement and Services Part 1.Measurement

3 Terms and Definitions

The terms and definitions defined in GB/T 39267, GB/T 17159 and GB/T 47327.1 apply to this document.

4 Abbreviations

The following abbreviations apply to this document.

MAE. Mean Absolute Error

RMS. Root Mean Square

UT. Universal Time

WEB. World Wide Web […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

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