You probably know that the combined effects of the Moon and Sun changes the rate of a pendulum clock by up to 1 part in 10 to the 7th, but that is a smooth sine rather than a jump. That shouldn't affect quartz either.
I agree with other posters - you are probably seeing the quantization of space/time ;-) Ian. ----- Original Message ----- From: "Hal Murray" <[EMAIL PROTECTED]> To: "Discussion of precise time and frequency measurement" <time-nuts@febo.com> Sent: Thursday, October 23, 2008 5:41 AM Subject: Re: [time-nuts] Question on crystal jumps > >> This is a very interesting thread. When I retired from Western >> Kentucky University in 2001 I was given a very expensive mantel >> clock. Seven day wind up with a balance wheel. I have had a lot of >> fun regulating it over the last 7 years. Right now I have it holding >> within 5 seconds a month but past experience has shown that it won't >> hold indefinitely. Since the balance wheel is also an oscillator I >> assume it will undergo these frequency jumps. > > How small a jump could you notice? > > Unless you have it in a temperature controlled box, I'd expect any tiny > jumps > would be lost in the temperature wobbles. > > Can you see temperature wobbles? Can you see any correlations with the > phase > of the moon? (gravity, tides) > > > > -- > These are my opinions, not necessarily my employer's. I hate spam. > > > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. -------------------------------------------------------------------------------- No virus found in this incoming message. Checked by AVG - http://www.avg.com Version: 8.0.175 / Virus Database: 270.8.2/1739 - Release Date: 10/22/2008 07:23 _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.