[BC] Re: AM Stereo On A Mono Radio

[KC4QLP at aol.com]

 (only problem I ever noticed was that pesky 
25 Hz. "pilot" under quiet passages.)

Tom S.


Interesting...you should have never been able to hear that 25 hz tone as it 
should have been rolled off within your receivers audio circuitry


> Paul B. Walker, Jr. wrote:
> >If WABV were to go solid state, install an AM Stereo exciter and AM Stereo
> >audio processor, would we sound better even on a mono radio? 

Even if you upgraded to a mono SS rig and cleaned up the signal path from the 
transmitter all the way out to the tower and up, you would sound much better. 
Those with mono only radios would not know the difference in the sound of the 
station if WABV were operating in stereo or not...the sound would be the 
same. [ This is assuming that everything is properly tuned and audio processing 
set like it should be ]

>Would we lose
> 
> >any range.

The question surrounding C-Quam operations and the loss of coverage has been 
a long standing myth. I once engineered for 12 years, an AM station that 
operated C-Quam. I conducted an unscientific "test", left the station operating in 
mono one day...drove around and listened to the station, the next day operated 
in stereo, drove the same route...noted no difference in loudness or apparent 
change in signal strength. I repeated the above, but this time with an FIM, 
no changes in signal strength. So the "you'll lose coverage with C-Quam" line 
is a myth...period.



Bob Carter - KC4QLP
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Mid-Atlantic-Engineering-Services of Utica NY / Elizabeth City NC

http://midatlanticengineeringservice.cjb.net
WKVU-FM 100.7 Utica/Rome NY, WKVJ-FM 89.7 Dannemora/Plattsburgh NY, WKYJ-FM 
88.7 Rouses Point NY, WKTV-TV - 2 /DT - 29 Utica NY
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[ looking for a C-Car --- Citicar or Comutacar ---EV ]




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