[time-nuts] One of my Thunderbolts is drifting
David Van Horn
david.vanhorn at backcountryaccess.com
Tue Oct 2 18:01:31 EDT 2018
Ok, I did the reset, and it's much happier now.
I'll keep an eye on it.
From: time-nuts <time-nuts-bounces at lists.febo.com> On Behalf Of Bob kb8tq
Sent: Tuesday, October 2, 2018 3:24 PM
To: Discussion of precise time and frequency measurement <time-nuts at lists.febo.com>
Subject: Re: [time-nuts] One of my Thunderbolts is drifting
If one shows 38,000 ns error, it’s no longer locked. It may *think* it’s doing ok, but it most certainly is unlocked. What is the DAC voltage doing? ( in some cases the DAC takes a long time to get to a limit and trigger an error flag).
> On Oct 2, 2018, at 3:08 PM, David Van Horn <david.vanhorn at backcountryaccess.com> wrote:
> After several weeks of seeing the two sine waves solidly locked, now one of my TBs is drifting.
> Both instances of LH show six sattelites green, and discipline mode normal.
> One shows RMS 2nS, the other 38,000+
> What's wrong here?
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