History of radio a system for transmitting intelligence and wireless power using the earth as the medium. Others, such as Amos Dolbear, Sir Oliver Lodge, Reginald Fessenden, and Alexander Popov were involved in the development of components and theory involved with the transmission and reception of airborne electromagnetic waves for their own theoretical work or as a potential means of communication. Over several years starting in 1894 the Italian inventor Guglielmo Marconi built the first complete, commercially successful wireless telegraphy system based on airborne Hertzian waves (radio transmission). Marconi demonstrated the application of radio in military and marine communications and started a company
The Loneliness of the Long Distance Walker sabotage his medical test fail, Walker is invalided out because he's allergic to corned beef. The radio episode still exists and was released on Series 1 DVD, along with the other 2 missing episodes. The Loneliness of the Long Distance Walker The Loneliness of the Long Distance Walker is a missing episode in the British comedy series "Dad's Army". It was originally transmitted on Saturday 15 March 1969. Although screenshots and clips of the episode exist, the full episode is still missing from BBC Archives. To his complete surprise, Walker receives his call-up papers. Mainwaring tries his best to get