I remember reading about this some time ago and  think the only people who 
really heard it  were shipboard radio ops.

Here is a link that will tell you more about the man  and his work than you 
ever wanted to know:

http://radiocom.net/Fessenden/

73, Steve KW3A


----- Original Message ----- 
From: "Curtis Delzer" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, December 28, 2007 7:46 PM
Subject: Interesting bit of trivia.


> Hey guys, how important is this guy? This is a bit of trivia I picked up
> about December 24.
> My home town is Fessenden, North Dakota so ...
> In 1906, Reginald A. Fessenden, a Canadian-born radio inventor,
> broadcast the first musical program, accompanying on violin a female
> singer's "O Holy Night," from Brant Rock, Mass. He discovered the
> superheterodyne principle, the basis for all modern radio receivers.
>
>
> Now where would we be without super heterodyne receivers? Let alone the
> concept of transmitting using a crystal controlled oscillator and a 
> variable
> secondary frequency. That's what the Drake lines used, and a good reason
> they were so stable.
> They had crystals for bands of coverage of 500Khz per crystal, both
> transmitting and receiving. :)
>
> Curtis Delzer
> W B 6 H E F
> Fessenden, North Dakota; 58438-7300
>
>
>