[BC] When did GE die? RCA, Westinghouse, Collins Western Electric.

[DHultsman5@aol.com]

In a message dated 6/2/2006 9:38:06 AM Central Daylight Time,  
dynotherm at earthlink.net writes:

> The  later high power FM transmitters were the famous RCA "ring   
amplifiers"  
> from low-band TV consisting of seven RCA 5762  triodes in  parallel.  I 
believe 
> these were used at the  Fetzer 500 kW. stations in  Michigan.
> 
> Does anyone have  an recollection of the type of transmitter used with the  
> 300  kW. transmitter at the old WILL-FM in Champain-Urbana,  IL????   I  
know the 
> university dropped the ERP when they replaced the  old  transmitter.

Dave,

Don't forget about Fetzer with 500  kW in Kalamazoo. Don't know whose box they
had, but that would have taken a  50 kW box for 500 kW H-Pol.



I didn't....Same post
 
DaveMy recollection on those transmitters were they used an RCA BTF-10D as  a 
10 kW. Driver to the 50 kW. TV aural PA stage.  I seem to remember a  photo 
of the installation in the old RCA Broadcast News Magazine.
 
*************NOTE   we need to get all of those old magazines  scanned on 
files on the internet somewhere......that was one of the best sales  tools RCA 
had was those twice a year publications highlighting Radio and  especially TV 
installations across our nation.
 
Years ago I worked for a stations that had all of them filed in a lab froom  
at the FM transmitter.   I worked there again later in my life and all  the 
old magazines had been thrown away.
 
Dave