[time-nuts] Basic Stratum 1 question
hmurray at megapathdsl.net
Thu Aug 2 13:40:48 EDT 2007
> In the telecommunications world, stratum refers to the holdover
> performance of an oscillator in the event of loss of synchronization.
> Stratum 1, Stratum 2, Stratum 3, and Stratum 4 are the most typical. A
> Stratum 1 clock has an accuracy of 1.0 x 10-11, Stratum 2 has an
> accuracy of 1.6 x 10-8, Stratum 3 has an accuracy of 4.6 x 10-6, and
> Stratum 4 has an accuracy of 3.2 x 10-5.
That's frequency rather than time. Right?
Isn't there also something about how long it has to be within the frequency spec?
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