Shortwave radio were required. It was also difficult to beam the radio wave directionally with long wave, resulting in a major loss of power over long distances. Prior to the 1920s, the shortwave frequencies above 1.5 MHz were regarded as useless for long distance communication and were designated in many countries for amateur use. Guglielmo Marconi, pioneer of radio, commissioned his assistant Charles Samuel Franklin to carry out a large scale study into the transmission characteristics of short wavelength waves and to determine their suitability for long distance transmissions. Franklin rigged up a large antenna at Poldhu Wireless Station, Cornwall, running on
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