[time-nuts] quartz drift rates, linear or log

Tom Miller tmiller11147 at verizon.net
Sat Nov 12 17:29:42 EST 2016


Just out of curiosity, what is the age of each of these Tbolts? (i.e. date 
codes?)

Thanks

----- Original Message ----- 
From: "Tom Van Baak" <tvb at LeapSecond.com>
To: "Discussion of precise time and frequency measurement" 
<time-nuts at febo.com>
Sent: Saturday, November 12, 2016 4:54 PM
Subject: [time-nuts] quartz drift rates, linear or log


There were postings recently about OCXO ageing, or drift rates.

I've been testing a batch of TBolts for a couple of months and it provides 
an interesting set of data from which to make visual answers to recent 
questions. Here are three plots.





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