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The Dutch company Nederlandsche Radio-Industrie and its owner-engineer, Hanso Idzerda, made its first regular entertainment radio broadcast over station PCGG from its workshop in The Hague on 6 November 1919. The company manufactured both transmitters and receivers.
Made the first radiophonic broadcast in Brazil, but the first radio officially acknowledged was Rádio Sociedade do Rio de Janeiro (actually, Rádio MEC). Also, it is one of the oldest stations in the world. [List entry too long] First Australian experiment in the broadcast of music: n/a AWA; Ernest Fisk; Sydney: 8 August 1919 AM [11]
The timeline of radio lists within the history of radio, the technology and events that produced instruments that use radio waves and activities that people undertook. Later, the history is dominated by programming and contents, which is closer to general history .
Before the discovery of electromagnetic waves and the development of radio communication, there were many wireless telegraph systems proposed and tested. [4] In April 1872 William Henry Ward received U.S. patent 126,356 for a wireless telegraphy system where he theorized that convection currents in the atmosphere could carry signals like a telegraph wire. [5]
Bing Crosby became the first major proponent of magnetic tape recording for radio, and he was the first to use it on network radio, after he did a demonstration program in 1947. [33] [35] Tape had several advantages over earlier recording methods. Running at a sufficiently high speed, it could achieve higher fidelity than both electrical ...
It is generally recognized that the first radio transmission was made from a temporary station set up by Guglielmo Marconi in 1895 on the Isle of Wight. This followed on from pioneering work in the field by a number of people including Alessandro Volta, André-Marie Ampère, Georg Ohm, James Clerk Maxwell and Heinrich Rudolf Hertz.
His achievements included the first transmission of speech by radio (1900), and the first two-way radiotelegraphic communication across the Atlantic Ocean (1906). In 1932 he reported that, in late 1906, he also made the first radio broadcast of entertainment and music, although that claim has not been well documented.
This is a list of when the first radio broadcasts to the public occurred in the mentioned countries and territories. Non-public field tests and closed circuit demonstrations are not referred to; neither are license dates or dates of the official opening. Basis for each entry is the time of introduction.