[time-nuts] Tbolt temperature sensor

Scott Newell newell at cei.net
Thu Feb 5 19:34:56 UTC 2009

At 12:44 PM 2/5/2009 , Mark Sims wrote:
>I doubt the temperature sensor is just used for environmental monitoring.
If it 
>was,  they would most likely have just used the basic 0.5C resolution
>and have been done with it.    Instead,  they do the high res read routine
>then feed that into a filter to get very smooth high resolution (microdegree 
>scale) values.

Maybe shoot some cold spray or place a heater up against the Dallas temp
sensor chip and see if the EFC voltage moves?  Obviously, run this test in
holdover mode.

newell  N5TNL

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