First radio transmission

The earliest description of a radio transmission system was written by the American Dr Mahlon Loomis (1826- 1886) on 21 July 1864 and demonstrated between two kites more than 22km 14 miles apart at Bear’s Den, Loudoun County, Virginia in October 1866. He received US patent No. 129,971 entitled Improvement in Telegraphing on 30 July 1872.


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