Stratum one autonomy and assumptions about GPS

[Hal Murray]

esr at thyrsus.com said:
> I have a USB thermometer on order, they're cheap.  Might I suggest you get
> one and repeat this experiment, actually plotting your temperature
> variation? 

Most CPU chips include a temperature sensor.

For Linux PCs, you need the coretemp module loaded.  The lm-sensors package 
does that.

You can get it by either parsing the output of the sensors command or by 
looking in things like
  /sys/devices/platform/coretemp.0/hwmon/hwmon0/temp2_input

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