> ); SAEximRunCond expanded to false > Errors-To: [EMAIL PROTECTED] RETRY > > >> 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? > > > -- > These are my opinions, not necessarily my employer's. I hate spam. > > > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. >
Hal, The ITU stratum 1 time error mask for optical and wired networks is attached and shows the allowable time error over a given sampling period to remain within the stratum 1 specification. Richard
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