[time-nuts] Cavity frequency air filled vs vacuum?
hmurray at megapathdsl.net
Wed Aug 19 16:10:54 EDT 2015
kb8tq at n1k.org said:
> And for major fun, you can get into altitude and humidity corrections on the
> exact number. Since your altitude does not change day to day, humidity is
> often the thing that drives you a bit nuts.
Is it altitude or air pressure (density)?
There is a semi-joke about good enough pendulum clocks turning into
garvitometers. How accurately can you measure the frequency of a cavity?
Can a good setup be used as a barometer?
How does humidity compare with air pressure?
These are my opinions. I hate spam.
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