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eLibrary > 23/30439744 DC BS IEC 61108-7. Maritime navigation and radiocommunication equipment and systems. Global navigation satellite systems (GNSS) - Part 7. Satellite Based Augmentation System (SBAS) L1. Receiver Equipment. Performance standards, methods of test >

23/30439744 DC BS IEC 61108-7. Maritime navigation and radiocommunication equipment and systems. Global navigation satellite systems (GNSS) - Part 7. Satellite Based Augmentation System (SBAS) L1. Receiver Equipment. Performance standards, methods of test, 2023

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23/30439744 DC BS IEC 61108-7. Maritime navigation and radiocommunication equipment and systems. Global navigation satellite systems (GNSS) - Part 7. Satellite Based Augmentation System (SBAS) L1. Receiver Equipment. Performance standards, methods of test, 2023

80_1074e_CDV.pdf [Go to Page]
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms, definitions and abbreviations [Go to Page]
3.1 Terms and definitions
3.2 Abbreviated terms
4 Minimum GNSS and SBAS performance standard [Go to Page]
4.1 General
4.2 SBAS L1 receiver equipment [Go to Page]
4.2.1 Minimum facilities
4.2.2 Configuration
4.2.3 Quality assurance
4.3 Performance standards for SBAS L1 receiver equipment [Go to Page]
4.3.1 General
4.3.2 Equipment output
4.3.3 Accuracy [Go to Page]
4.3.3.1 Static accuracy
4.3.3.2 Dynamic accuracy
4.3.4 Acquisition
4.3.5 Availability
4.3.6 Dynamic range
4.3.7 Effects of specific interfering signals
4.3.8 Position update
4.3.9 SBAS input and processing [Go to Page]
4.3.9.1 SBAS message processing
4.3.9.2 SBAS satellite selection
4.3.10 Navigational status indications [Go to Page]
4.3.10.1 General
4.3.10.2 HDOP check
4.3.10.3 Position data lost
4.3.10.4 SBAS status indication
4.3.10.5 Integrity using RAIM with SBAS
4.3.10.6 Self-test
4.3.11 Operation under typical interference conditions
4.3.12 Output of COG, SOG and UTC [Go to Page]
4.3.12.1 Accuracy of COG
4.3.12.2 Accuracy of SOG
4.3.12.3 Availability and validity of time information
5 SBAS technical characteristics [Go to Page]
5.1 General
5.2 SBAS L1 SIS RF characteristics
5.3 SBAS L1 SIS message characteristics [Go to Page]
5.3.1 Identification
5.3.2 L1 C/A PRN Code for SBAS
5.3.3 SBAS data format
6 Methods of testing and required test results [Go to Page]
6.1 Test sites
6.2 Test sequence
6.3 Test signals
6.4 Determination of accuracy
6.5 Environmental conditions
6.6 General requirements
6.7 Alert requirements
6.8 Presentation requirements
6.9 Performance check
6.10 SBAS L1 receiver tests descriptions [Go to Page]
6.10.1 SBAS L1 receiver equipment
6.10.2 Configuration
6.10.3 Position output
6.10.4 Equipment output
6.10.5 Static accuracy and availability [Go to Page]
6.10.5.1 Method of testing
6.10.5.2 Required test results
6.10.6 Static accuracy with angular movement of the antenna
6.10.7 Dynamic accuracy
6.10.8 Acquisition
6.10.9 Sensitivity and dynamic range
6.10.10 Effects on specific interfering signals [Go to Page]
6.10.10.1 S band interference
6.10.10.2 L band interference from Inmarsat FleetBroadBand
6.10.11 Position update [Go to Page]
6.10.11.1 General
6.10.11.2 Slow speed update rate
6.10.11.3 High speed update rate
6.10.12 SBAS input and processing [Go to Page]
6.10.12.1 Method of testing
6.10.12.2 Required test results
6.10.13 SBAS message processing [Go to Page]
6.10.13.1 Method of testing
6.10.13.2 Required test results
6.10.14 SBAS GEO satellite selection and switching [Go to Page]
6.10.14.1 Method of testing
6.10.14.2 Required test results
6.10.15 Navigational status indications [Go to Page]
6.10.15.1 Position/HDOP alert test
6.10.15.2 Test of integrity monitoring using RAIM with SBAS [Go to Page]
6.10.15.2.1 General
6.10.15.2.2 Testing of “safe” and “caution” status
6.10.15.2.3 Testing of “unsafe” status
6.10.15.3 Self-test
6.10.16 Test for typical interference conditions [Go to Page]
6.10.16.1 Operator’s manual check
6.10.16.2 Simulator conditions
6.10.16.3 Navigation solution accuracy test under typical interference condition [Go to Page]
6.10.16.3.1 General
6.10.16.3.2 Method of testing
6.10.16.3.3 Required test results
6.10.16.4 Re-acquisition test under typical interference condition [Go to Page]
6.10.16.4.1 General
6.10.16.4.2 Method of testing
6.10.16.4.3 Required test results
6.10.17 Accuracy of COG and SOG [Go to Page]
6.10.17.1 Methods of testing
6.10.17.2 Required test results
6.10.18 Validity of COG and SOG information [Go to Page]
6.10.18.1 Methods of testing
6.10.18.2 Required test results
6.10.19 Output of UTC [Go to Page]
6.10.19.1 Methods of testing
6.10.19.2 Required test results
6.10.20 Validation material for tropospheric model
Annex A (normative) High level procedure for SBAS navigation computation [Go to Page]
A.1 GPS L1 signal processing
A.2 SBAS L1 signal processing
A.3 Application of SBAS messages
A.4 SBAS position computation [Go to Page]
A.4.1 General
A.4.2 Weighted least squares algorithm
A.4.3 SBAS-based standard residual error
Annex B (normative) Sentences to support SBAS L1 receiver operation [Go to Page]
B.1 General
B.2 GBS – GNSS satellite fault detection
B.3 GFA – GNSS Fix Accuracy and Integrity
B.4 GNS – GNSS fix data
B.5 GRS – GNSS Range residuals
B.6 GSA – GNSS DOP and active satellites
B.7 GSN – GNSS SBAS navigation message
B.8 GSV – GNSS Satellites in View
B.9 RMC – Recommended minimum specific GNSS data
B.10 VTG – Course over ground and ground speed
Annex C (informative) GNSS interference, jamming and spoofing. [Go to Page]
C.1 General
C.2 Interference
C.3 Jamming
C.4 Spoofing
Annex D (normative) Alert management
Bibliography [Go to Page]

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23/30439744 DC BS IEC 61108-7. Maritime navigation and radiocommunication equipment and systems. Global navigation satellite systems (GNSS) - Part 7. Satellite Based Augmentation System (SBAS) L1. Receiver Equipment. Performance standards, methods of test, 2023

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