[time-nuts] quartz long-term drift

[Magnus Danielson]

On 09/20/2011 06:55 PM, Tom Van Baak wrote:
> I ran across a wonderful paper containing long-term (5 years!)
> measurements of quartz frequency drift. A good read for those
> of you making measurements, wondering about drift, retrace,
> stability, etc.
>
> www.mti-milliren.com/MTIPapers/Ext_Aging_Perf_Results.pdf

Look at this page:
http://www.ieee-uffc.org/frequency_control/teaching.asp?vig=vigaging

The underlying article in reference 17 is recommended reading.

http://www.ieee-uffc.org/frequency_control/teaching.asp?name=aging

In general, this is not a bad place to start:
http://www.ieee-uffc.org/frequency_control/teaching.asp

I seem to recall long term measurements in the Ballato book, but I can 
dig it up.

Cheers,
Magnus