The era of radio telegraphy (2447 (1904)-1926).Thailand country get technology "Telegraph" comes in, since the reign of King Rama v.Fukuoka ngaken-2447, the company harvests. Permits the establishment of radio telegraphy experimental temporary Ko sichang and gold mountain area, but also did not work.In 2450 (1907) His ships, Admiral Krom Phra Nakhon sawan wonphinit The radio call the English used their military Department, Marco boats.2456 b.e.. 6, Ministry of establishment of the naval radio station at Sala daeng Bangkok fixed Telegraph.
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