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This makes DAB almost immune to radio interference even in a moving object such as a car. Each DAB station bundles radio programmes (services) into an ensemble which it then broadcasts. Each service contains one or more components. All ensembles, services, and components are identified by name, so you can access any of them without having to know their frequencies. DAB programme Service 1 Service 1 -E Service \ Component | Component | M Component Notes • The DAB system is still in a