[Hallicrafters] Hallicrafters Digest, Vol 123, Issue 8

[Charlie T, K3ICH]

Actually, the original FM band was 42 to 50 MHz, not the current 6M band on 
50 to 54 MHz.

Here's a good link for some more info: 
http://tenwatts.blogspot.com/2011/03/42-50-mhz-other-fm-band.html

(Email me directly if the link info is stripped off:  pincon at erols dot 
com.)

73, Charlie k3ICH


----- Original Message ----- 
From: "Richard Knoppow" <1oldlens1 at ix.netcom.com>
To: <radio at daileyservices.com>; <hallicrafters at mailman.qth.net>
Sent: Tuesday, April 08, 2014 10:31 PM
Subject: Re: [Hallicrafters] Hallicrafters Digest, Vol 123, Issue 8


>
> ----- Original Message ----- 
> From: <radio at daileyservices.com>
> To: <hallicrafters at mailman.qth.net>
> Sent: Tuesday, April 08, 2014 9:57 AM
> Subject: [Hallicrafters] Hallicrafters Digest, Vol 123, Issue 8
>
>
>> David Sarnoff also screwed over Edwin Armstrong.  That story is 
>> legendary, but it's why we have the 88-108 Bcst FM band today, instead of 
>> the lower set of frequencies that the Armstrong gear was made for - He 
>> had transmitters, receivers, and all the control equipment ready to go, 
>> and Sarnoff got the FCC to put HIM in their pocket - Armstrong ultimately 
>> put on his coat and hat, and walked out of a window.
>>
>> Tom - W0EAJ
>
>     The feud and patent litigation between Armstong and RCA is very well 
> documented. Armstrong had problems with patents other than FM such as the 
> super regenerator.  There were good reasons for changing from the 50-54 
> mhz band to the upper one, for instance there are about four times the 
> number of channels available.  Also 50 mhz has problems with long distance 
> co-channel interferrence. The problems are not as simple as a personal 
> vendetta although that certainly existed.  Curiously Armstrong and Sarnoff 
> were good friends before their egos got in the way. Armstrong's wife 
> persisted in the patent fight after his suicide and eventually prevailed. 
> She had been Sarnoff's personal secretary before marying Armstrong.
>    The reason that Westinghouse was invited to become a part of RCA after 
> its original formation was that they held important patents assigned to 
> them by Armstrong.
>
>
> --
> Richard Knoppow
> Los Angeles
> WB6KBL
> dickburk at ix.netcom.com
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