[R-390] overmodulation

Bill Hawkins bill at iaxs.net
Wed Jun 27 21:25:31 EDT 2007


You do remember that the Humphrey Dome is one of the loudest stadiums
ever built, no? Now the team holds us hostage for a new stadium. Did I
say the team? Incorrect, the owners hold us hostage and our Republican
governor wants to accommodate them while reducing school and law
enforcement resources. We have a Taxpayers League that wants their taxes
reduced no matter what the effect on a once-great society. So it goes.

Bill Hawkins

-----Original Message-----
From: r-390-bounces at mailman.qth.net
[mailto:r-390-bounces at mailman.qth.net] On Behalf Of Bob Camp
Sent: Wednesday, June 27, 2007 8:12 PM
To: Gene Dathe
Cc: r-390 at mailman.qth.net
Subject: Re: [R-390] overmodulation

Hi

Are you reasonably sure the original signal is ok? The guy on the mix
console may have had an extra beer or two ....

Bob
KB8TQ


On Jun 27, 2007, at 9:01 PM, Gene Dathe wrote:

> Hello all;
>
> I have noticed an overmodulation problem that has me stumped.  When 
> listening to the MN Twins, when they get a hit and the crowd noise 
> rises in the background, the announcer's voice get distorted and over 
> modulates.  Hard to follow the game and the play at the plate!
> Usual AM talk show fare like Rush Limbaugh is perfect. The AGC is 
> working fine, I've tried manipulating ALL the controls with no audio 
> effect; reducing the RF has no effect, AGC or MGC. Might this be an AF

> problem, something a push pull system might avoid?
>
> Thank you in advance for your valuable time.
>
> 73 de NAØG  Gene
>
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