[time-nuts] GPSDO time constant

Poul-Henning Kamp phk at phk.freebsd.dk
Thu Jan 8 06:28:34 EST 2009


In message <4965DC62.9070205 at rubidium.dyndns.org>, Magnus Danielson writes:

>> In a lab setting, it makes sense to increase over the default
>> time-constant, just remember that it impacts your loops ability
>> to cope with for instance a 2g turnover.
>> 
>Most labs would have issues with a 2g turnover. :)
>
>Flipping oscillators that runs is evil and should be avoided at all 
>times. Should be in the rulebook for time-nuts.

Correct, but it is perfectly normal behaviour for telecom techs
who remodel installations while running, so the products must
cope with it.

-- 
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.




More information about the time-nuts mailing list