[Test-Equipment] FS: Heath IM4180 FM deviation meter

[kc7hkp at comcast.net]

Thanks You very Much Richard for answering Me !, I did not know what it was, I can only learn from books since elmer are not around much any more.
being handicapped in a wheelchair and stuck in my bedroom, I only have books or the net to learn
So Thanks again for taking the time to answer.
 Instead of degrading me because i did  not know.
George
--
KC7HKP 
George Yazzolino 
14801 NE 20th Circle 
Vancouver, Wa. USA ,98684 
Grid CN-85 
kc7hkp at arrl.net

-------------- Original message -------------- 
From: "Richard Knoppow" <dickburk at ix.netcom.com> 

> 
> ----- Original Message ----- 
> From: 
> To: "Discussion of Electronic Test Equipment" 
> 
> Sent: Monday, April 21, 2008 1:25 PM 
> Subject: Re: [Test-Equipment] FS: Heath IM4180 FM deviation 
> meter 
> 
> 
> > Hi Dick 
> > What is FM Deviation ? 
> > I have not heard this word before in ham radio . 
> > Sorry to bother you 
> > George 
> > 
> In case this is a serious question... 
> Deviation is the measure of the amount of frequency 
> modulation in an FM signal. It is superficially the amount 
> the carrier is changed in frequency when modulated. There 
> are several ways to measure the amount of FM but its 
> possible to make a fairly simple device to indicate it on a 
> meter although other methods are more accurate. 
> FM transmission became popular for the ham bands after 
> WW-2. It has pretty much disappeared on the HF bands but is 
> quite widely used on 6 meters and above. 
> The other reaction to the question is because FM should 
> be elementary knowledge. OTOH, no one should be afraid to 
> ask a question for fear of being humiliated. 
> May I suggest that a Google search is a good place to 
> start for definitions. 
> 
> --- 
> Richard Knoppow 
> Los Angeles, CA, USA 
> dickburk at ix.netcom.com 
> 
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