[App_rpt-users] Use of ntpd in ACID

[Chuck Henderson]

ntpdate 0.centos.pool.ntp.org

If using ntpd, sometimes it can be like this one
https://www.youtube.com/watch?v=lqYwhtuVLDs
But other times it sounds different.  I most noticed it in peoples voices.
I didn't look at it on a scope.

On Sun, Mar 29, 2015 at 1:32 PM, kk6ecm <kk6ecm at gmail.com> wrote:

>  Using ntpdate at the command line returned this response
>
>
>
> 29 Mar 11:30:35 ntpdate[3376]: no servers can be used, exiting
>
>
>
> does that mean it did not update?
>
>
>
> Thanks,
>
> Bob
>
> kk6ecm
>
>
>  ------------------------------
>
> *From:* Chuck Henderson [mailto:rpt2 at chuck.midlandsnetworking.com]
> *Sent:* Sunday, March 29, 2015 10:17 AM
> *To:* kk6ecm
> *Cc:* app_rpt mailing list
> *Subject:* Re: [App_rpt-users] Use of ntpd in ACID
>
>
>
> I have no problem running ntpd in my ACID servers that only have RTCMs
> interfacing with radios.  But when I use usb sound interfaces (URI or usb
> sound fob) then I find that ntpd causes anomalies in the audio.  Many
> people don't notice it but I do and anyone with a good ear will notice it
> and comment about the audio sounding strange and blame it on using a
> computer in the audio path.
>
>
>
> Turn ntpd off and just use *ntpdate* once per hour and the strange audio
> sounds go away.
>
> I have seen this in various systems and while it is worse in slower single
> core systems, it is still slightly present even in high end quad core
> systems.
> But it is not present at all when using only RTCMs.
> Chuck   WB9UUS
>
>
>
>
> On Sun, Mar 29, 2015 at 11:54 AM, kk6ecm <kk6ecm at gmail.com> wrote:
> >
> > I'm interested in using ntpd to keep my ACID server sync'd with date and
> > time, and notice it is off, as configured from the CD. I set "chkconfig
> ntpd
> > on, but wonder what servers I should use in ntp.conf. Also, has anyone
> used
> > it and had any difficulties?
> >
> > thanks,
> > Bob
> > kk6ecm
> >
> >
> >
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