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A new sensation and Heart of Indonesia “Diah Rosanti FM” makes your day memorable with its vast variety of songs. Infuses energy for your workday and relax your mind and soul when you want it that way. Listen to the wonderful melodious songs of your choice all day long. “Diah Rosanti FM” is fully customized internet radio station which provided you with 100% satisfaction. For the controversy about who invented radio, see Invention of radio. For the programming of early radio stations, see Old-time radio. The early history of radio is the history of technology that produced radio instruments that use radio waves. Within the timeline of radio, many people contributed theory and inventions in what became radio. Radio development began as “wireless telegraphy”. Later radio history increasingly involves matters of programming and content.