Keith:
The trick I've used for decades is to set the sidetone just a bit louder than
those signals I'm listening to. Then, when I zero the received signal, I tune
it in to the point that it (audibly) "disappears" beneath the sidetone of the
same frequency... if it's NOT zero beat, you'll be able to hear the offset. If
it is zero beat, it'll be hiding behind the sidetone.
I (think I) can provide a short WAV file to demonstrate if you have difficulty
following the above verbal description.
73,
Tom Hammond N0SS
At 12:32 01/21/2009, Darwin, Keith wrote:
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Really? I always try to tune CW by ear and I'm amazed at just how
far off I am once I check it against the spot tone. I never get it
right without some help.
I suspect I'm not alone.
- Keith N1AS -
- K3 711 -
----------
one's preferred sidetone pitch is likewise instantly recognizable
when a signal is being tuned in and "hits" that pitch.
73,
Kent K9ZTV
web page: <http://www.elecraft.com>http://www.elecraft.com
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