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BS IEC 61097-4:2024

BS IEC 61097-4:2024

$167.15

Global maritime distress and safety system (GMDSS) – Part 4: Inmarsat-C ship earth station and Inmarsat enhanced group call (EGC) equipment – Operational and performance requirements, methods of testing and required test results

Published By Publication Date Number of Pages
BSI 2024 36
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PDF Catalog

PDF Pages PDF Title
2 undefined
4 CONTENTS
6 FOREWORD
8 1 Scope
9 2 Normative references
10 3 Terms and definitions
4 Performance requirements
4.1 Overview
4.2 Non-operational requirements
4.2.1 General
4.2.2 Warning of radiation hazard
11 4.2.3 Power supply changeover
4.3 Operational requirements for ship earth stations
4.3.1 Capabilities
4.3.2 Ship station identity
4.3.3 Distress alerting
12 4.3.4 Position updating
4.4 Operational requirements for EGC receivers
4.4.1 Capabilities
13 4.4.2 General
4.4.3 Position and area code updating
4.4.4 Indication of receipt of priority message
14 4.4.5 Indication of tuning and synchronisation
4.4.6 Printing selection
4.4.7 Printing device
4.5 Performance related requirements from IEC 60945
15 4.6 Other requirements
4.7 Long-range identification and tracking
4.7.1 General
4.7.2 Capabilities
17 4.7.3 Functionality
4.7.4 Communication system
5 Technical characteristics
5.1 Overview
5.2 Environmental and electromagnetic compatibility requirement
Tables
Table 1 – Data to be transmitted from the shipborne equipment
18 5.3 Radiated spurious emissions
5.4 Interfaces
Table 2 – Environmental conditions
19 5.5 Interfering signals
6 Methods of testing and required test results
6.1 Overview
6.1.1 General
20 6.1.2 Performance requirements
6.1.3 Technical characteristics
6.2 Tests of non-operational requirements
6.3 Tests of operational requirements for ship earth stations
6.3.1 Capabilities
6.3.2 Ship station identity
6.3.3 Distress alerting
21 6.3.4 Position updating
6.4 Tests of operational requirements for EGC receivers
6.4.1 Capabilities
6.4.2 General
6.4.3 Position and area code updating
22 6.4.4 Indication of receipt of priority message
6.4.5 Indication of tuning and synchronisation
6.4.6 Printing selection
6.4.7 Printing device
6.5 Tests of performance related requirements from IEC 60945
6.6 Tests of other requirements
23 6.7 Long-range identification and tracking
6.7.1 General
6.7.2 Capabilities
6.7.3 Functionality
6.7.4 Communication system
24 6.8 Tests of technical characteristics
6.8.1 Inmarsat tests
6.8.2 Tests for environmental and electromagnetic compatibility
25 6.8.3 Interfaces
6.8.4 Interfering signals
27 Table B.1 – Limits of unwanted emissions up to 1 000 MHz
28 Table B.2 – Limits of unwanted emissions above 1 000 MHz
29 Table B.3 – Limits of unwanted emission within the operating band with carrier-on
30 Table C.1 – Phase I Inmarsat-C schedule of tests
32 Table C.2 – Phase I EGC receiver schedule of tests
33 Table C.3 – Phase II schedule of tests
34 Bibliography

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BS IEC 61097-4:2024
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