Spark-gap transmitter capacitance and couldn't store much charge, limiting their power output. Therefore these devices were not capable of long distance transmission; their reception range with the primitive receivers employed was typically limited to roughly 100 yards (100 meters). Italian radio pioneer Guglielmo Marconi was one of the first people to believe that radio waves could be used for long distance communication, and singlehandedly developed the first practical radiotelegraphy transmitters and receivers, mainly by combining and tinkering with the inventions of others. Starting at age 21 on his family's estate in Italy, between 1894 and 1901 he conducted a long series of
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