1906 65438+On February 25th, Fessenden made a broadcast on the 28-meter-high radio tower of the National Power Company/kloc-0 in Brandrock, Massachusetts. The most important thing in the radio program is to read aloud the story of the birth of the Lord Jesus Christ in the Bible. In addition, it is equipped with a violin to play music and play "Relaxing Music" by German musician Gandel.

Before the broadcast, he made a preview in the newspaper and sent a wireless telegram to inform the press and the ships coming and going in the Pacific Ocean. That night, the announcer of the Pacific heard the violin and a man reading the Bible. It is generally believed that this is the first successful sound transmission experiment in the world and is recognized as the symbol of the birth of radio sound broadcasting.

Extended data:

The invention of radio

1837, American Morse invented the telegraph, which can communicate with each other over a long distance, but it still depends on "wires" to connect. The reception and transmission of radio signals is "radio communication"; The whole history of the invention of radio communication is the result of research and invention by many scientists.

1888, German scientist heinrich hertz discovered the existence of radio waves.

1895 Russian physicist popov claimed that he successfully sent and received radio signals in two places 600 yards apart.

1897, popov successfully communicated with the land platform on the naval cruiser with the wireless communication equipment made by himself.

Marconi sent radio waves to the other side of the Atlantic in 190 1 year.

1906, the Canadian inventor Fessenden made the first sound, and the radio broadcast began.

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