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GB/T 44451-2024Satellite navigation and positioning sounding system—Radiosonde (English PDF)

卫星导航定位探空系统探空仪

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

September 29, 2024

Implementation date

September 29, 2024

Scope

GB/T 44451-2024 is the English-translated version of 卫星导航定位探空系统探空仪.

GB/T 44451-2024 is the Chinese national standard covering the sonde that a weather balloon carries aloft — the sensor, navigation and transmission modules, the static and dynamic measurement performance for temperature, humidity and pressure, the check code and modulation of the signal, the data protocol fixed in the normative annex, the battery, the sampling rate and the weight the balloon has to lift, and the environmental adaptability that decides whether the readings hold at altitude. The data protocol in the normative annex is what lets a ground station read a sonde it did not buy. First edition, under the China Meteorological Administration. In force from 29 September 2024. Issued on 29 September 2024, it has been in force since 29 September 2024.

Document preview — GB/T 44451-2024

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

PrefaceIII
1 Scope1
2 Normative references1
3 Terms and Definitions1
4 Composition1
5 Technical requirements1
5.1 Appearance and structure1
5.2 Function2
5.3 Static Measurement Performance2
5.4 Dynamic Measurement Performance3
5.5 Signal check code and modulation transmission performance3
5.6 Data transmission network communication protocol4
5.7 Battery4
5.8 Sampling Rate4
5.9 Weight and dimensions4
5.10 Power consumption4
5.11 Environmental adaptability4
6 Test methods5
6.1 Test environment conditions5
6.2 Test instruments5
6.3 Composition6
6.4 Appearance and structure6
6.5 Function6
6.6 Static measurement performance6
6.7 Dynamic Measurement Performance8
6.8 Signal check code and modulation transmission performance9
6.9 Data transmission network communication protocol10
6.10 Battery10
6.11 Sampling Rate10
6.12 Weight and dimensions10
6.13 Power consumption10
6.14 Environmental adaptability10
7 Inspection Rules12
7.1 Inspection classification12
7.2 Inspection Items12
7.3 Defect determination13
7.4 Type test13
7.5 Factory Inspection14
8 Signs and accompanying documents14
8.1 Logo14
8.2 Accompanying Documents15
9 Packaging, transportation and storage15
9.1 Packaging15
9.2 Transportation15
9.3 Storage15
Appendix A (Normative) Radiosonde Data Protocol16

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 Standardization of Meteorological Instruments and Observation Methods (SAC/TC 507).

This document was drafted by: China Meteorological Administration Meteorological Observation Center, National University of Defense Technology, China Meteorological Administration Meteorological Cadres Training Institute, Tianjin Huayun Tianyi Special Meteorological Detection Technology Co., Ltd., 61540 Troops of the Chinese People's Liberation Army, Shanghai Changwang Meteorological Technology Co., Ltd., Nanjing Daqiao Machinery Co., Ltd., Aerospace New Weather Technology Co., Ltd., and Taiyuan Radio Factory No. 1 Co., Ltd.

The main drafters of this document are: Yang Rongkang, Li Xin, Zhao Shijun, Ji Cuiling, Yang Jiachun, Ren Xiaoyu, Jiang Mingbo, Du Zhitao, Chen Xi, Guo Qiyun, Liu Zimeng, Yan Hong, Zhang Jian, Huang Xiaojie, and Lu Yi.

Satellite navigation positioning sounding system sonde

1 Scope

This document specifies the technical requirements, inspection rules, and marking, packaging, and inspection rules of the sounding instrument (hereinafter referred to as the sounding instrument) in the satellite navigation sounding system.

Packaging, transportation and storage, etc., and describes the relevant test methods.

This document applies to the design, production and inspection of radiosondes for satellite navigation systems.

2 Normative references

GB/T 191-2008

GB/T 2423.7-2018

GB/T 2828.1-2012

3 Terms and definitions

The following terms and definitions apply to this document.

3.1 Temperature in box

The working environment temperature value inside the sonde insulation box.

3.2 Base test

The accuracy of the radiosonde temperature, humidity and air pressure sensors is tested using standard equipment under natural conditions on the ground.

4 Composition

The sonde consists of a meteorological sensor and conversion module, a satellite navigation and data processing module (consisting of a navigation and positioning chip and its peripheral auxiliary modules).

composition), signal transmission module, battery, packaging box, etc.

5 Technical requirements

5.1 Appearance and structure

5.1.1 The appearance of the sonde should be smooth, with no deformation, obvious scratches or pollution on the curved surface; the metal parts should not be rusted or mechanically damaged.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 24 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 2423.7-2018

Editions of GB/T 44451

Edition	Title	Revision	Status
GB/T 44451-2024	Satellite navigation and positioning sounding system - Radiosonde	current edition	Current

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