IEC 61097-3 : 2.0

GLOBAL MARITIME DISTRESS AND SAFETY SYSTEM (GMDSS) - PART 3: DIGITAL SELECTIVE CALLING (DSC) EQUIPMENT - OPERATIONAL AND PERFORMANCE REQUIREMENTS, METHODS OF TESTING AND REQUIRED TESTING RESULTS

International Electrotechnical Committee

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FOREWORD
1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
4 Performance requirements
5 Technical characteristics
Annex A (informative) - Digital interface sentence
        to parameter group number equivalence
Annex B (informative) - DSC remote control
        communication
Annex C (normative) - Interface and automation
        requirements, methods of testing and
        required test results
Annex D (normative) - DSC message composition
Annex E (normative) - Radius-centre point
        conversion and rounding algorithm
Annex F (normative) - Automated non-distress
        channel/frequency selection algorithm
Annex G (normative) - DSC message detection
        and decoding
Annex H (normative) - Audible annunciation and
        BAM alert signalling
Annex I (normative) - Shipborne watchkeeping
        receivers
Annex J (normative) - Shipborne VHF
        radiotelephone transmitter and receiver
Annex K (normative) - Shipborne MF and HF
        transmitters and receivers
Annex L (informative) - Relationship between
        bit error rate (BER) input and symbols
        error rate (SER) output
Annex M (informative) - Delays in equipment
        and its effect on narrow band direct
        printing (NBDP)
Annex N (informative) - Sentence to support
        DSC remote control
Bibliography

Abstract

Describes the performance requirements, technical characteristics, operational requirements and methods of testing of shipborne DSC equipment for use with MF, MF/HF and VHF installations in the GMDSS, including those required by Chapter 4 of the 1974 International Convention for Safety of Life at Sea (SOLAS) as amended, and is associated with IEC 60945.