[time-nuts] Thunderbolt test results

Bob Camp lists at rtty.us
Wed Jun 16 12:35:48 UTC 2010


The Thunderbolt doc's are less than perfect. Warren has posted a lot of
information to this list about tweaking the TBolt control loop to improve
it's performance.


-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of Donal G
Sent: Wednesday, June 16, 2010 8:02 AM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Thunderbolt test results

I Changed the Time Constant to 400 seconds, the results attached show a much
improved performance.
I will try other values.  I will let ye know if I get much more improved
performance that this.

I am surprised that there is no mention that modifying this value
may improve performance in the Thunderbolt documentation? The default value
in my Thunderbolt is 10s- terrible performance at this value.

Thanks for the Advice!


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