[time-nuts] Thunderbolt performance vs temperature sensor
SAIDJACK at aol.com
SAIDJACK at aol.com
Mon Mar 9 04:20:35 UTC 2009
Hi Holrum,
thanks for sending the plot. It's tough to see on this plot with all that
noise.
To see how the relationship really works, the unit should be in holdover..
Would you have a plot of EFC versus temp in holdover?
thanks,
Said
In a message dated 3/8/2009 13:42:41 Pacific Daylight Time,
holrum at hotmail.com writes:
Hello Said,
Attached is a screen dump of a run that John Miles did. You can see that
the envelope of the DAC voltage follows the temperature curve (inversely). On
a finer scale the DAC voltage follows the PPS error. This plot was done
with the unit locked to GPS. I believe the time scale is 10 secs/pixel (1 hr
per major horizontal division).
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