[time-nuts] Cavity frequency air filled vs vacuum?

Bob Camp kb8tq at n1k.org
Wed Aug 19 18:08:02 EDT 2015


It’s density, so indeed anything that affects density will mess you up. 

One wonderful way to get real confused: Do a water wash on the device
before you run the test. Guess what the humidity goes to. Come back a
day or two later and for some reason the results don’t match …


> On Aug 19, 2015, at 4:10 PM, Hal Murray <hmurray at megapathdsl.net> wrote:
> 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.
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.

More information about the time-nuts mailing list