There is no reason to be scientific about your CW pitch setting. Set the pitch to the tone you prefer and can hear the best. Use a CW filter. If you don't have one get one.
Amateure Radio Operator N5GE On Sun, 13 Oct 2013 14:46:21 +0000, you wrote: >Hi John, > >I read that article too. Personally I think it is a lot of bunk. It >assumes perfect hearing. > >Where ones sweet spot is depends upon his hearing and hearing >degradation. The closest pitch to 432 Hz is 429.97 Hz on my K3. >Some people's sweet spot may be 700 Hz-- since 432 Hz may be 20 db down >from there! > >There was a link somebody posted a year or so ago. It could be used >determined how much pitch difference one can detect. For most people is > >3 Hz. For piano tuners and musicians with perfect pitch it is likely >to be less. You can also try using the K3's fine tuning and tune in a >carrier. The increase or decrease the K3's frequency by 3Hz and see if >you can detect any change. > >Thus most won't perceive any difference between 429.97 and 432 Hz. >If you can, than congratulations on your perfect pitch. > >73 de Brian/K3KO > >On 10/13/2013 14:03, John Seney wrote: >> Hi Folks: >> >> The CW pitch resolution in my K3 seems to be 10 Hz per step. A recent >> article in QST >> spoke of 432 Hz as being a sweet spot frequency based on musical notes. A >> quick search >> on frequencies of real musical notes shows hardly any are at integer values. >> >> Note -- Freq -- Wavelength >> >> D4 293.66 117. >> D#4/Eb4 311.13 111. >> E4 329.63 105. >> F4 349.23 98.8 >> F#4/Gb4 369.99 93.2 >> G4 392.00 88.0 >> G#4/Ab4 415.30 83.1 >> A4 440.00 78.4 >> A#4/Bb4 466.16 74.0 >> B4 493.88 69.9 >> C5 523.25 65.9 >> C#5/Db5 554.37 62.2 >> D5 587.33 58.7 >> D#5/Eb5 622.25 55.4 >> E5 659.26 52.3 >> F5 698.46 49.4 >> F#5/Gb5 739.99 46.6 >> G5 783.99 44.0 >> G#5/Ab5 830.61 41.5 >> A5 880.00 39.2 >> >> Could the firmware be changed for experimentation with this or is there an >> easier >> way to accomplish it with RIT or filter offsets? >> >> 73 >> >> John - WD1V >> >> >> >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:Elecraft@mailman.qth.net >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> >> >> ----- >> No virus found in this message. >> Checked by AVG - www.avg.com >> Version: 2012.0.2242 / Virus Database: 3222/6246 - Release Date: 10/13/13 >> >> > > > >----- >No virus found in this message. >Checked by AVG - www.avg.com >Version: 2012.0.2242 / Virus Database: 3222/6246 - Release Date: 10/13/13 > >______________________________________________________________ >Elecraft mailing list >Home: http://mailman.qth.net/mailman/listinfo/elecraft >Help: http://mailman.qth.net/mmfaq.htm >Post: mailto:Elecraft@mailman.qth.net > >This list hosted by: http://www.qsl.net >Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
