[sdiy] A Frequency Standard for Poor People?

[harrybissell]

Then we run that Hammond through Leslies on chorale speed... that probably
gets you a few cents right there...

and THEN when you kick them up a notch....   ;^P

H^) harry

James Patchell wrote:

> I don't think you would notice.  2/100 of a Hz at 60Hz is 0.5 cents.  This
> will cause the scales to be shifted up or down across the keyboard by 1/2
> of a cent.  If I can tune my VCO's that well, I am happy.  And my 105 year
> old piano drifts around by +/- 5 cents on a week to week basis, so
> musically speaking, this is insignificant.
>
> At 10:30 PM 12/15/2003 -0500, WeAreAs1 at aol.com wrote:
>
> >In a message dated 12/15/03 7:10:51 PM, jlarryh at iquest.net writes:
> >
> ><< Interestingly enough, it is indeed great over the average.  In on an hourly
> >
> >basis, synchronous time (clock on 60Hz) is compared to atomic time and a
> >
> >"time error" is declared.  As long as this is within +/- 4 seconds, nothing
> >
> >is done.  Once outside those boundaries, a "time correction" is ordered and
> >
> >utilities purposely add or subtract generation to the system to hold
> >
> >frequency 2/100 Hz high or low until synchronous time is once again correct.
> >
> >Each utility contributes compared to their percentage of the whole. >>
> >
> >How does this effect guys who are playing Hammond tonewheel organs?
> >
> >Michael Bacich
>
>          -Jim
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