As Hal says and as in instrument flying, three independent sources of data before reaching a conclusion. If one disagrees, throw it out.
A third source is in order. A third TBolt, an LPRO-101 adjusted to and compared regularly to each TBolt, or another GPSDO of another flavor. Also, a CS unit that can be turned on or off to compare. Joe -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Hal Murray Sent: Wednesday, October 19, 2011 3:03 PM To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] Sneaky Errors > I have two thunderbolts, set up so that I can switch over to the backup unit > if the primary fails. All is well with that, but what could I do to detect a > less obvious failure, like 9.999999 MHz output? > If they disagree, I don't know how to resolve which is correct. Get a 3rd. 2 good guys can outvote 1 bad guy. -- These are my opinions, not necessarily my employer's. I hate spam. _______________________________________________ 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.
