Tham khảo Phát thanh AM

  1. ↑ "Wireless Telegraphy", The Electrician (London), ngày 14 tháng 10 năm 1898, pages 814-815.
  2. ↑ "Hertzian Telegraphy at the Physical Society", The Electrician (London), ngày 28 tháng 1 năm 1898, pages 452-453.
  3. ↑ "Kentucky Inventor Solves Problem of Wireless Telephony" , The Sunny South, ngày 8 tháng 3 năm 1902, page 6.
  4. ↑ "Wireless telegraphy", Bằng sáng chế US706737
  5. ↑ "Experiments and Results in Wireless Telephony", by John Grant,The American Telephone Journal,ngày 26 tháng 1 năm 1907,pages 49-51.
  6. ↑ The Continuous Wave by Hugh G. J. Aitken, 1985, page 61.
  7. ↑ Aitken (1985), page 62.
  8. ↑ "Fessenden, Reginald A. Inventing the Wireless Telephone and the Future", Ewh.ieee.org.Retrieved 2017-07-22.
  9. ↑ Aitken (1985), page 69.
  10. ↑ "Experiments and Results in Wireless Telephony" by John Grant, The American Telephone Journal. Part I:ngày 26 tháng 1 năm 1907, pages 49-51; Part II:ngày 2 tháng 2 năm 1907, pages 68-70, 79-80.
  11. ↑ "Wireless Telephony" by Reginald A. Fessenden, Transactions of the American Institute of Electrical Engineers, Vol. XXVII (1908), Part I, pages 606-608.
  12. ↑ "The Versatile Audion" by H. Winfield Secor, Electrical Experimenter, February 1920, pages 1000-1001, 1080-1083.
  13. ↑ McNicol, Donald (1946) Radio's Conquest of Space, p. 336-340
  14. ↑ "Pittsburgh's Contributions toRadio" by S. M. Kintner, Proceedings of the Institute ofRadio Engineers, December1932, pages 1849-1862.
  15. ↑ "Fessenden — The Next Chapter" by James E. O'Neal, Radio World, December 23,2008. (radioworld.com)
  16. ↑ Father of Radio by Lee deForest, 1950, page 225
  17. ↑ I Looked and I Listened byBen Gross, 1954, page 48.
  18. ↑ [http://chroniclingamerica.loc.gov/lccn/sn82015415/1908-11-25/ed-1/seq-1/ "Mysterious Voices Startled Him: Wizard Isbell Thought HeHeard Angels Talking"] , Hawaiian Star, November 25, 1908, page 1.

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