[CW] Re: [Fists] Doesn't anyone know how to zero-beat anymore?

[David Ring]

Eric and others -

Do a test some day - determine the frequency you like to listen while
you're sending to then note the frequency.  Then determine the
frequency you tune to, write down the frequency.  Then with QRM or QRN
find the frequency you tune to and write it down.

Many people like different frequencies for different things - it is
well known that the human ear (are there any non-humans out there?)
has an ability to separate lower pitched tones better than higher
pitched tones and that the "psych-acoustic" filter in our ear/brain is
sharpest around 200 Hz.  So under lots of QRM, we tend to tune to a
lower note,  With side tone, we often tune so that the speaker
resonates or vibrates!

73

DR

On Dec 27, 2007 1:12 AM, Eric Fairbank <fairbank56 at yahoo.com> wrote:
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>
>
>
> --- w8fax at wildblue.net wrote:
>
> > Hi all.....I think a lot of this "error" comes from
> > using the RIT control
> > and also what is comfortable "tone". I like to copy
> > using a little higher
> > freq audio tone, so that pushes me off freq a bit.
> > If the RIT is on, this
> > further increases the error.
>
>   This makes no sense to me. If for example, you like
> to listen to a 750hz tone, then you set your sidetone
> to 750hz. Then, when you zero-beat on someone calling
> CQ, you will be transmitting on the exact same
> frequency that he is and the tone of your recieve
> signal will be 750hz. If you are calling CQ and the
> guy answering does not zero-beat your signal, then you
> use your RIT to change the tone to the 750hz that you
> like. Doing that does not change your transmit
> frequency, but the two of you will be transmitting on
> different frequencies because he didn't zero-beat.
>
> Eric N3EF
>
>
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