[Elecraft] CW listening pitch

David Cole dave at nk7z.net
Sat Feb 28 23:40:38 EST 2015


Except that when you play them back, your local system will color it...
Best process is to copy W1AW, find a weak feed, and see which tone works
best for you...
-- 
Thanks and 73's,
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On Sat, 2015-02-28 at 19:16 -0600, Matt Murphy wrote:
> This website will let you generate an equal loudness curve for your own
> hearing:
> 
> http://newt.phys.unsw.edu.au/jw/hearing.html
> 
> 73,
> Matt NQ6N/9
> 
> On Sat, Feb 28, 2015 at 6:47 PM, Phil Hystad <phystad at mac.com> wrote:
> 
> > I played clarinet in the 6th grade -- hated it.  I was a mathematician
> > (programming a lot
> > of mathematical applications and other things).  And I still love
> > mathematics because
> > Mathematical Physics is my primary hobby (or, passion).  Ham radio comes
> > second except
> > in the summer ham radio could count as third to woodworking as second.
> >
> > I learned CW when I was 9 years old.  By the time (much later) when I took
> > my Novice
> > test, I was probably copying more than the 13 wpm required of the General
> > class.
> >
> > This is off-topic so far -- but my tone frequency of choice is 640 Hz.
> >
> > phil K7PEH
> >
> > > On Feb 28, 2015, at 3:49 PM, Phil Wheeler <w7ox at socal.rr.com> wrote:
> > >
> > > I failed clarinet, but am a mathematician, or was. That seems to have
> > worked.
> > >
> > > Phil W7OX
> > >
> > > On 2/28/15 3:27 PM, Phil Kane wrote:
> > >> On 2/28/2015 2:44 PM, David and Dianne on Comcast wrote:
> > >>
> > >>> BTW there really is a strong correlation between learning to play music
> > >>> and learning CW. Not a direct one.....but similar
> > >> My late brother (KU2P / 4X1AK) was a clarinetist as well as a
> > >> programmer, and taught himself CW with no problems.  May he rest in
> > peace.
> > >>
> > >> 73 de K2ASP - Phil Kane
> > >> Elecraft K2/100   s/n 5402
> > >
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