IEC 61097-4 Ed. 3.2 en:2019

IEC 61097-4 Ed. 3.2 en:2019 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 oftesting and required test results CONSOLIDATED EDITION
standard by International Electrotechnical Commission, 06/27/2019

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IEC 61097-4:2019(E) specifies the performance requirements and methods of testing for Inmarsat-C ship earth stations (SES) capable of transmitting and receiving direct-printing communications, and for enhanced group call (EGC) receivers, for use in the GMDSS and for use for long-range identification and tracking (LRIT).