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Spectrum management is essentially an issue of coordination for which different solutions are possible. Two alternative approaches have been proposed to replace or to be applied next to governmental control: (1) property rights; and (2) a commons, with restrictions in the type of use or users. Although elements of both proposals have been implemented, the resulting mixed regime is still a top down...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.