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
Egyptian Radio Egyptian Radio Egyptian Radio also known as the Egyptian Radio's General Program (إذاعة البرنامج العام transliterated as Iza'at El-Bernameg Al-Aam) also popularly known as Radio Cairo (in Arabic إذاعة القاهرة transliterated as Iza'at al Qaahira) is the pioneering Egyptian radio station that started broadcasting on 31 May 1934 in agreement with the Marconi Company. The General Manager of the station for the period was Said Basha Lotfi who presided over the station from May 1934 to December 1947. In December 1947, the contract with Marconi was suspended in favour of an Egyptian national broadcasting station. The General Manager was replaced