I.S. EN 61108-4:2004
Current
The latest, up-to-date edition.
MARITIME NAVIGATION AND RADIOCOMMUNICATION EQUIPMENT AND SYSTEMS - GLOBAL NAVIGATION SATELLITE SYSTEMS (GNSS) - PART 4: SHIPBORNE DGPS AND DGLONASS MARITIME RADIO BEACON RECEIVER EQUIPMENT - PERFORMANCE REQUIREMENTS, METHODS OF TESTING AND REQUIRED TEST RESULTS
Hardcopy , PDF
English
01-01-2004
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
FOREWORD
1 Scope
2 Normative references
3 Terms, definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 Performance requirements
4.1 Introduction
4.2 Composition
4.3 Functional requirements
4.4 Protection
4.5 Integrity
4.6 Interfaces
4.7 IEC 61162-1, IEC 61162-2 implementation
4.8 IEC 61162-3 implementation
4.9 Display and control
4.10 Installation
5 Technical characteristics
5.1 Carrier frequency
5.2 Frequency tolerance
5.3 Message types
5.4 Data transmission rate
5.5 Dynamic range
5.6 Maximum bit error ratio
5.7 Receiver selectivity and stability
5.8 Automatic frequency selection
5.9 Protection ratios
6 Methods of testing and required test results
6.1 General conditions of measurement and test signals
6.2 Operational tests
6.3 Protection of external connections
6.4 Integrity
6.5 Technical tests
6.6 Additional functionality tests
Annex A (normative) Simulation of noise situations for
the test of shipborne DGPS maritime
radio beacon receiver equipment
A.1 Parameters describing noise
A.2 Noise models
A.3 Test procedures
Annex B (informative) Methodology for measuring WER
B.1 Recording the RTCM data stream
B.2 Analysing the RTCM data stream
B.3 Caution
Annex C (normative) Tests that are specific to integrated
equipment that does not provide an output
port for testing
C.1 General requirements
C.2 Test for WER display
C.3 Comments to Clause 6, methods of testing
Annex D (informative) Installation guidelines to counteract
the effect of interference
D.1 Introduction
D.2 Antennas
D.3 General installation requirements
D.4 Noise/interference sources
D.5 Testing
D.6 Troubleshooting
Annex E (informative) Implementation using a concurrent process
Annex F (informative) Data interface guidance
Annex ZA (normative) Normative references to international
publications with their corresponding
European publications
Bibliography
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