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Europe: trials and/or regulation
• Austria: DAB+ trial on-air in Vienna and call..., representatives of the Bulgarian National Radio (BNR), the Association of Bulgarian Broadcasters
(ABRO) and FOCUS...
inhabitants and a topography that make rolling out nationwide
infrastructure expensive, and therefore to focus..., greater penetration of radio receivers will demand less from the
listeners, and transition efforts can focus..., listeners, the heavy users, accounting for 70 - 80 % of the radio listening, converted
relatively fast...