Радыёсувязь

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 Спасылкі 
 Horzepa, Stan, «Surfin': Who Invented Radio?» Arrl.org. 10 October 2003.
 Steven Schoenherr's History of Radio
 The Broadcast Archive - Radio History on the Web!
 Canadian Communications Foundation - The History on Canadian Broadcasting.
 United States Early Radio History
 Historic Radios from Around the World at Kurrajong Radio Museum, Australia
 Early Canadian Radio Station Lists