Did your zero key stick ?? If I counted all them zeros correctly I get 1 part in 10e24 ???
Man thats some rock !! 73, Dick, W1KSZ -----Original Message----- >From: Bruce Griffiths <[EMAIL PROTECTED]> >Sent: Jul 7, 2008 10:14 PM >To: Discussion of precise time and frequency measurement <[email protected]> >Subject: Re: [time-nuts] Thunderbolt Loop Damping > >Tom Clifton wrote: >> The manual doesn't give much direction on tweaking the disciplining >> parameters. Also, not having anything better to compare results to, I'm >> pretty handicapped. Has anybody done any tweaking and perhaps can offer any >> suggestions? >> >> Over the weekend I was able to get a GPS antenna on the roof coupled to the >> receiver in the basement by using an abandoned run of RG6 (Thanks Direct-TV! >> - The AT&T U-Verse doesn't fade during storms...) Logging of the 10mhz >> shows it stays pretty much under 0.05ppb. The Excel graphs are easy to >> generate, but not easy to use if that makes sense. Limited to 32k >> datapoints per graph and very difficult to zoom in on. >> >> Also, Is anybody else as confused as I am by negative ppb numbers??? is >> 0.00ppb the 10x-11 "baseline" so that -0.01ppb is really 0.009ppb? >> >> Tom >> >> >Tom > >Surely the ppb measure just reflects the measured frequency error >(actual OCXO frequency - 10.00000000000000000000000MHz ) in parts per >billion, so a -ve ppb just means the sign of the error has opp0site that >for a +ve ppb number. > >Bruce > >_______________________________________________ >time-nuts mailing list -- [email protected] >To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
