[sdiy] A Frequency Standard for Poor People?

Tim Parkhurst tparkhurst at siliconbandwidth.com
Tue Dec 16 17:38:43 CET 2003


>> Subject: Re: [sdiy] A Frequency Standard for Poor People?
>>  
>> 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

Basically, they are only in tune if you average out their playing over 24
hours. Same thing with drummers: average out our tempo fluctuations over a
24 hour period and we're spot on!


Happy Holidays,

Tim Servo
"Drum solo!!! Dude, can you play 'Wipe Out'?" - Albert Einstein



***************************************************************************
This message is confidential.  The information contained in
this e-mail message is intended only for confidential use of the
recipient(s) named above. If the reader of this message is not the intended
recipient or an agent responsible for delivering it to the intended
recipient, you are hereby notified that you have received this document in
error and that any review, dissemination, distribution, or copying of this
message is strictly prohibited.  If you have received this communication in
error, please notify us immediately by e-mail, and delete the original
message.
***************************************************************************




More information about the Synth-diy mailing list