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GB/T 45559-2025Classification and coding rules for meteorological satellite data (English PDF)

气象卫星数据分类编码规则

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

April 25, 2025

Implementation date

August 1, 2025

Scope

GB/T 45559-2025 is the English-translated version of 气象卫星数据分类编码规则.

GB/T 45559-2025 is the Chinese national standard covering a code that identifies a meteorological satellite product by what produced it and what it contains — the faceted classification method and the attributes it uses, the coding rules, the codes for the satellite series and the satellite category, the instrument, the product families for atmosphere, land surface, ocean, radiation and space weather, the image products, and the format attribute that lets an archive be searched without opening the files. First edition, under the China Meteorological Administration. In force from 1 August 2025. Issued on 25 April 2025, it has been in force since 1 August 2025.

Document preview — GB/T 45559-2025

National Standard of the People's Republic of China

ICS: 07.060
Classification: A 47

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

Preface... III 1 Scope1
2 Normative references1
3 Terms and Definitions1
4 Classification and Coding Rules2
4.1 Classification Method2
4.2 Coding Rules2
Appendix A (Informative) Classification and Code Examples of Meteorological Satellite Data and Products6
A.1 Commonly used meteorological satellite series and codes6
A.2 Satellite category attribute classification and code6
A.3 Instrument attribute classification and code8
A.4 Classification and codes of atmospheric quantitative products10
A.5 Classification and codes of land surface quantitative products12
A.6 Classification and codes of marine quantitative products12
A.7 Radiation Quantification Product Classification and Code12
A.8 Space Weather Product Classification and Codes13
A.9 Image product classification and codes13
A.10 Format attribute classification and codes13
References15

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting is required.

Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.

This document was proposed by the China Meteorological Administration.

This document is under the jurisdiction of the National Technical Committee for Satellite Meteorology and Space Weather Standardization (SAC/TC 347).

This document was drafted by: National Satellite Meteorological Center, 61741 Unit of the Chinese People's Liberation Army, Beijing Huayun Xingditong Technology Co., Ltd.

Department of Aerospace Information Innovation, Chinese Academy of Sciences, Guangzhou Meteorological Satellite Ground Station, Satellite Environment Application Center of the Ministry of Ecology and Environment, National Satellite Marine Application Center, Beijing Honor Terminal Co., Ltd.

The main drafters of this document are: Qi Yonggang, Xu Zhe, Zhang Yu, Xiao Meng, Hu Xiaohua, Ma Boyuan, Yang Jian, Lei Weiyan, Wang Gang, Chen Xiang, Cui Xiaoping, Liu Sihan, Zou Yarong, Ge Shule, Zheng Xudong, Sun Anlai, Fan Cunqun, Wei Lan, Guo Peng, Chang Xiangyu, Zhang Jun.

Classification and coding rules for meteorological satellite data

1 Scope

This document establishes the classification method and coding rules for meteorological satellite data.

This document applies to the reception, processing, storage, archiving and services of meteorological satellite data.

2 Normative references

GB/T 40153-2021

3 Terms and definitions

The following terms and definitions apply to this document.

3.1 meteorological satellite

An artificial satellite that conducts meteorological and space weather observations on the Earth's atmosphere and surface from space.

[Source. GB/T 39094-2020, 2.1]

3.2 meteorological satellite data and product

A collection of computer information obtained through detection by various payloads carried by meteorological satellites and received and processed by ground systems.

3.3 Classification

Distinguish the classified objects according to the selected attributes (or features), and group the classified objects with some common attributes (or features) together process.

[Source. GB/T 10113-2003, 2.1.2]

3.4 method of linear classification

The classification objects are divided into several levels according to the selected attributes (or characteristics), and each level is divided into several categories.

Categories at the same level of a branch form a parallel relationship, and categories at different levels form a subordinate relationship.

[Source. GB/T 10113-2003, 2.1.5]

3.5 method of area classification

Select several attributes (or features) of the classification object and divide the classification object into a group of independent categories according to each attribute (or feature).

Each group of categories constitutes a "surface". Then arrange the "surfaces" in parallel in a certain order.

The corresponding categories are grouped together in the specified order of "face" to form a new composite category.

[Source. GB/T 10113-2003, 2.1.6]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 20 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 40153-2021Classification and coding of meteorological data

Editions of GB/T 45559

Edition	Title	Revision	Status
GB/T 45559-2025	Classification and coding rules for meteorological satellite data	current edition	Current

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