[Elecraft] CW-Pitch 600 Hz or 700 Hz or what?

[Gregg R. Lengling]

I suggest you all try finding a copy of RadCom from a few months ago.  There 
was some very interesting research into the human ears response at various 
frequencies relating to intelegibility of CW signals.  And the human ear has 
much more dynamic range in the 400 to 800 Hz area and thus that is why many 
operators use that range and it's becoming more and more a standard.

Gregg R. Lengling, W9DHI, Un-Retired
K2/100 SN 3075
http://www.milwaukeehdtv.org

----- Original Message ----- 
From: "Chuck Guenther" <ni0c at earthlink.net>
To: <elecraft at mailman.qth.net>
Sent: Sunday, November 13, 2005 7:12 AM
Subject: Re: [Elecraft] CW-Pitch 600 Hz or 700 Hz or what?


This subject has been discussed on the TenTec reflector, too.  I tend to 
agree with K2VCO's ideas concerning the ear's ability to discern slight 
differences in pitch better at low frequencies.  Bill Tippett, W4ZV, really 
got my attention when he divulged that he uses very low pitches (below 300 
Hz) to copy weak signal DX.  (Bill is one of the best in the world.)  Ever 
since I learned that, I've set my Omni 6 as low as it would go (400 Hz). 
What's the range on the K2?

73,
Chuck  NI0C


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