[ntp:hackers] 1 msec jitter on serial PPS tamed

David J Taylor david-taylor at blueyonder.co.uk
Mon Feb 23 11:41:00 UTC 2009


Dave Hart wrote:
> David J Taylor:
>> Just to be sure, I was thinking about the transient
>> between 05:06:19 and 05:13:57.  The frequency steps
>> but the offset appears to be unaltered.
>> Very impressive!
>
> Yep, ntpd picked up where it left off nicely.  In fact I
> restarted to nudge the frequency closer to the known value
> sooner.

Excellent.

> By the way, the invalid certificates for
> support.ntp.org/lists.ntp.org is a bit of a FAQ.  They're
> using cacert.org certificates which are valid, but are not
> trusted by most browsers out of the box.  Cacert.org certs
> cost a few hundred dollars less per certificate per year
> than the alternatives.  You can either click through the
> warning, or you can visit cacert.org and install their root
> certificate so your browser trusts all the certficates they
> issue.  I've been clicking through enough warnings recently
> to be tempted, but at the time time I'm tight with my trust
> and haven't done any due diligence on cacert.org and their
> certificate policies.
>
> Dave Hart

OK, Dave, I've added exceptions for the two URLs which failed.

I understand the situation, but I can't say I'm particularly happy with 
it.

Cheers,
David
-- 
SatSignal software - quality software written to your requirements
Web:  www.satsignal.eu
Email:  davidtaylor at writeme.com 




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