Keywords:
Digital, Digital engineering, Electrical engineering, English language, Environmental testing, Frequency ranges, Identification, Identifications systems, Marine navigation, Marine radio, Marine transport, Measurement, Measuring results, Measuring techniques, Measuring uncertainty, Naval engineering, Navigation instruments, Navigational aids, Operational mode, Performance requirements, Radar, Radio calls, Radio channels, Radio equipment, Radio systems, Radiocommunication, Radiolocation, Radionavigation, Receivers, Selective calling, Ships, Specification (approval), Test results, Testing, Testing conditions, Transmitters, VHF