A  fun "game" I play is to tune in a station then check my accuracy with
SPOT while he's sending.  I'm a bit miffed if I can hear more than a 5 or 10
Hz error, Hi! 

 

But some people have real trouble doing that. It reminds me that some others
have a serious problem finding zero beat even using SPOT.

 

Ron AC7AC

 

 

 

From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of K4GM-George
Sent: Wednesday, January 21, 2009 10:12 AM
To: K9ZTV
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] CW ZERO-BEATING WITHOUT BUTTON PUSHES

 

I agree with everything you say and have used this method for years.  Now if
only I could decode RTTY by listening!! <grin>
73, George K4GM

K9ZTV wrote: 

As a adjunct to the recent posts on using the Spot and CWT features . . .

There is a third capability that many long-time CW operators intuitively
possess.  It is the immediate recognition of the correspondence of an
incoming signal's pitch to that of the operator's longtime preferred
sidetone pitch.

Just as well known voices of loved ones and friends are instantly
recognizable when their faces can't be seen, so also one's preferred
sidetone pitch is likewise instantly recognizable when a signal is being
tuned in and "hits" that pitch.  This feature of the human brain requires no
button pushes other than the initial setting of the sidetone pitch
frequency.  Once this is set, neither the SPOT nor CWT buttons need be used
(on any rig).  This "cerebral feature" is always there, regardless of the
brand or model of rig being operated.

Several of us used this capability on Straight Key Night when operating a
friend's FT-2000 with it's myriad of buttons, switches, and multi-layered
controls.  Once we set the sidetone pitch to our individually preferred
frequencies, zero-beating was intuitive.

However, hearing impairment is a whole different issue and may well require
the CWT visual aid.


73,

Kent  K9ZTV




 



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