Global maritime distress and safety system (GMDSS) - Part 13: Inmarsat F77 ship earth station equipment - Operational and performance requirements, methods of testing and required test results— 25 стр.
Maritime navigation and radiocommunication equipment and systems - Digital interfaces - Part 1: Single talker and multiple listeners (IEC 61162-1:2010); English version EN 61162-1:2011— 153 стр.
