Reply to post: Re: Interesting

Register Lecture: Can portable atomic clocks end UK dependence on GNSS?

Cynic_999 Silver badge

Re: Interesting

"

I doubt that many need more precise than 1 ms.

"

It's the *drift* that's more important. If the clock runs slow or fast by 1mS per day, it will be 1 second out in less than 3 years. Whether than is important depends on the application - especially how frequently it can be corrected from an accutate source.

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