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

[DW Holtman]

George,

I cannot speak for others,  this is my first input on this thread. I think 
the people who responded with humor really thought the whold thread was an 
attempt at humor. I do not really think anyone was trying to degrade you. 
This is usually a very helpful forum.

There is a good link below with more links to lots more information in the 
Wiki Encycloepdia.

http://en.wikipedia.org/wiki/Frequency_modulation

Best,
DW Holtman
WB7SSN

----- Original Message ----- 
From: <kc7hkp at comcast.net>
To: "Richard Knoppow" <dickburk at ix.netcom.com>; "Discussion of Electronic 
Test Equipment" <test-equipment at mailman.qth.net>
Sent: Monday, April 21, 2008 6:40 PM
Subject: Re: [Test-Equipment] FS: Heath IM4180 FM deviation meter


> 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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