GB 14391-2021 English PDF

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GB 14391-2021: Performance requirements for satellite emergency position indicating radio beacons
Status: Valid

GB 14391: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 14391-2021	359	Add to Cart	4 days	Performance requirements for satellite emergency position indicating radio beacons	Valid
GB 14391-2009	599	Add to Cart	3 days	Technical requirements for satellite emergency position-indicating radio beacons	Obsolete
GB 14391-1993	105	Add to Cart	Auto, < 3 mins	Performance requirement for satellite emergency position indicating radio beacon	Obsolete

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Basic data

Standard ID: GB 14391-2021 (GB14391-2021)
Description (Translated English): Performance requirements for satellite emergency position indicating radio beacons
Sector / Industry: National Standard
Classification of Chinese Standard: M34
Word Count Estimation: 18,128
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB 14391-2021: Performance requirements for satellite emergency position indicating radio beacons

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Performance requirements for satellite emergency position indicating radio beacons ICS 47.020.70;33.060.20 M34 National Standards of People's Republic of China Replace GB 14391-2009 Satellite emergency radio beacon performance requirements Released on 2021-08-10 2022-03-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Table of contents

Foreword Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions, abbreviations 1 4 System requirements 2 5 Digital information content 6 6 Environmental and operational requirements 7 7 Main structure 9 8 Free float release and activation device 10 9 Labeling and marking 11 Appendix A (informative appendix) Triple error correction correction coding example 12 Appendix B (Normative Appendix) Emergency codes for maritime distress given by IMO 13 Appendix C (Normative Appendix) Summary of User Agreement Encoding Options 14 Reference 15

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB 14391-2009 "Satellite Emergency Radio Beacon Performance Requirements", this standard is compared with GB 14391-2009 The main technical changes are as follows. ---Added the requirement of unmodulated carrier (see 4.2.4); ---Modified the self-test mode frame synchronization code content (see 4.2.5.4, 4.2.3.4 of the.2009 edition); ---Modified the content of the format logo, and added the short format logo and the long format logo (see 4.2.5.5, 4.2.3.5 of the.2009 edition); ---Added the relevant transmission frequency of the satellite emergency radio beacon (see 4.3.1); ---Modified the maximum continuous launch requirements (see 4.3.9, 4.3.9 in the.2009 edition); ---Added the bit field description in the information structure diagram (see 5.1.1); ---Modified the description of the system bits in the digital information structure (see 5.1.2, 5.1.2 of the.2009 edition); ---Added the first error correction correction code content in the digital information structure (see 5.1.4); ---Added the second error correction correction code content in the digital information structure (see 5.1.6); --- Modified the description of the coding scheme and positioning procedures in the digital information structure (see 5.2.2 and 5.2.3, 5.2.2 of the.2009 edition); --- Modify the user identification code description (see 5.2.4, 5.2.3 of the.2009 edition); ---Added the 0th grade operating temperature range (see 6.1.1); ---Modified the requirements affected by temperature gradient changes (see 6.1.2, 6.1.2 of the.2009 edition); --- Other environmental requirements have been modified (see 6.2, 6.3 of the.2009 edition); ---The continuous working time requirement has been added (see 6.3.1); ---Added the content of auxiliary radio positioning device (see 6.3.3); ---Modified the description of the self-test mode switch requirements in the environment and operation requirements (see 6.3.4.3, 6.4.1.3 in the.2009 edition); ---Added location data coding requirements (see 6.3.5); --- Modified EPIRB activation requirements (see 6.3.6, 6.4.2 of the.2009 version); --- Added a performance requirement for the main structure (see 7.2.8); ---Added the design function requirements for self-test (see 7.3.3); ---Relevant requirements for free floating release and activation devices have been revised (see Chapter 8, Chapter 8 of the.2009 edition); ---Added labeling and marking requirements (see Chapter 9); ---Modified the content of the triple error correction correction code (see Appendix A, Appendix A of the.2009 edition); --- Modify the content of the user agreement encoding options (see Appendix C, Appendix C of the.2009 edition). This standard was proposed and managed by the Ministry of Transport of the People's Republic of China. The previous versions of the standard replaced by this standard are as follows. ---GB 14391-1993, GB 14391-2009. Satellite emergency radio beacon performance requirements

1 Scope

This standard specifies the system requirements, digital information content, environment and Operation requirements, main structure, free floating release and activation device, labels and markings. This standard applies to the 406MHz band satellite emergency radio beacon equipment equipped on various ships, and it also applies to the equipment of this type of equipment. R&D, production and management, etc.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 16162 Terminology for Global Maritime Distress and Safety System (GMDSS) IMOA.810(19) 406MHz frequency floating satellite emergency radio beacon performance standard [PerformanceStandards forFloat-freeSateliteEmergencyPosition-indicatingRadioBeacons(EPIRBs)Operatingon406 MHz] 3 Terms and definitions, abbreviations 3.1 Terms and definitions The terms and definitions defined in GB/T 16162 apply to this document. 3.2 Abbreviations The following abbreviations apply to this document. BCH-1.FirstBCHerror-correcting field (FirstBCHerror-correctingfield) BCH-2.Second Error Correction Correcting Code Field (SecondBCHerror-correctingfield) C/S. International Search and Rescue Satellite System (Cospas-Sarsat) EPIRB. Emergency Position Indicating RadioBeacon (EmergencyPositionIndicatingRadioBeacon) GNSS. Global Navigation Satellite System (GlobalNavigationSateliteSystem) IMO. International Maritime Organization (International Maritime Organization) PDF-1.First Protected Data Field (FirstProtectedDataField) PDF-2.Second Protected Data Field (SecondProtectedDataField) RHCP. RightHandCircularPolarization RLS. Return Link Service (ReturnLinkService) VSWR. Voltage Standing Wave Ratio (VoltageStanding-WaveRatio) ......

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