[time-nuts] Re: Coupling between oscillators -- an example

John Ackermann N8UR jra at febo.com
Sat Mar 26 23:04:37 UTC 2022


On 3/26/22 13:23, Joseph Gwinn wrote:

> It's the ever-present ship-hull vibration (under full steam) that is
> being compensated for operational vibration, which falls largely
> between ~10 Hz and 200 Hz.  Big gun shocks cause rare noise bursts.
> Also, the shock from a naval gun quickly degrades anything as
> delicate as this kind of time hardware, and so the time stuff is
> never mounted close to a gun.

Thanks!  That's really interesting background.




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