Grimeton Radio Station, a UNESCO World Heritage site in Sweden, is a remarkably preserved early 20th-century long-wave radio station, operational since 1924. Built under the direction of engineer Ernst Alexanderson, it showcases pioneering technology with its massive Alexanderson alternator, capable of transatlantic communication. Today, it serves as a historical monument and museum, offering insight into the development of global telecommunications. Its unique industrial architecture and functional equipment highlight its significance as a technological milestone.

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