[time-nuts] Early WWV Oscillator

Jim Lux jimlux at earthlink.net
Wed Aug 15 04:00:24 UTC 2012

On 8/14/12 1:42 PM, Ron Ward wrote:
> HI Robert:
> WOW! Thanks.
> I need to build a double oven for my thunderbolt and set it to about 50
> Degrees C.
> I am really just trying to reduce the 24 hour temperature range.
> I am looking at an application note from National Semiconductor, AN 266,
> for a precision oven. It claims .001 degree C!
> The internal oven for the Trimble Oscillator is most likely not as good
> as the one featured in the application note.

There's a book called Building Scientific Apparatus

that has a whole chapter on precision temperature control (to 
millidegrees, if not finer)

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