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[Edited to add reference to European Broadcasting Union Cost-Benefit analysis] A cost-benefit analysis of FM vs DAB undertaken for the European Broadcasting Union based on a detailed analysis of Big-5 EU countries estimated the OpEx requirements for FM and DAB radio transmission (basically power consumption + facilties costs). DAB had greater energy and ...


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Airplane mode is software controlled. In other words, when you touch the screen in the area that indicates "activate airplane mode" the software behind the scenes changes some data that prevents calls being made. Nothing fundamentally prevents other software from turning the radio back on. For example the phone app might re-enable the cellular connection ...


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