Biographical notes
   
Documents
 
 
History telegraph
 
History telephone
 
History radio
 
History TV
 
History comp.
 
Scientists index
 
Bibliography

 
 
 

   




Reginald Aubrey  Fessenden



   


  
st Bolton, Canada,1866 -  22 July 1932 
Radio modulation amplitude
AM (AMPLITUDE MODULATION)
  
   

   


Reginald Fessenden tested and found to the amplitude modulation (AM) since 1900 began experiments to transmit the human voice, and only six years after succeeds in experiment by the powerful radio station in Brant Rock in Massachusetts.