[time-nuts] Performance verification for time counters

Poul-Henning Kamp phk at phk.freebsd.dk
Thu Nov 30 14:09:10 EST 2017

In message <20171130181024.832c6adfd3cea0658ba430f1 at kinali.ch>, Attila Kinali w

>What puzzles me here is, the reason why someone would care
>about sub-1Hz frequencies in a telephone system? IIRC POTS
>did cut off somewhere areound 100-300Hz anyways.

They did not.

Most carrier frequency facilities had bottom frequencies in the 50kHz
area or higher.

Bob brought up the sub-Hz stuff, I pressume he knows what it is used for.

Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.

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