<div dir="ltr">ntpdate <a href="http://0.centos.pool.ntp.org">0.centos.pool.ntp.org</a><div><br></div><div>If using ntpd, sometimes it can be like this one <a href="https://www.youtube.com/watch?v=lqYwhtuVLDs">https://www.youtube.com/watch?v=lqYwhtuVLDs</a></div><div>But other times it sounds different. I most noticed it in peoples voices. I didn't look at it on a scope.</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Mar 29, 2015 at 1:32 PM, kk6ecm <span dir="ltr"><<a href="mailto:kk6ecm@gmail.com" target="_blank">kk6ecm@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p class="MsoNormal"><font color="navy" face="Arial"><span style="font-size:10.0pt;font-family:Arial;color:navy">Using ntpdate at the command line returned
this response<u></u><u></u></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial"><span style="font-size:10.0pt;font-family:Arial;color:navy"><u></u> <u></u></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial"><span style="font-size:10.0pt;font-family:Arial;color:navy">29 Mar 11:30:35 ntpdate[3376]: no servers
can be used, exiting<u></u><u></u></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial"><span style="font-size:10.0pt;font-family:Arial;color:navy"><u></u> <u></u></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial"><span style="font-size:10.0pt;font-family:Arial;color:navy">does that mean it did not update?<u></u><u></u></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial"><span style="font-size:10.0pt;font-family:Arial;color:navy"><u></u> <u></u></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial"><span style="font-size:10.0pt;font-family:Arial;color:navy">Thanks,<u></u><u></u></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial"><span style="font-size:10.0pt;font-family:Arial;color:navy">Bob<u></u><u></u></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial"><span style="font-size:10.0pt;font-family:Arial;color:navy">kk6ecm<u></u><u></u></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial"><span style="font-size:10.0pt;font-family:Arial;color:navy"><u></u> <u></u></span></font></p>
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<p class="MsoNormal"><b><font face="Tahoma"><span style="font-size:10.0pt;font-family:Tahoma;font-weight:bold">From:</span></font></b><font face="Tahoma"><span style="font-size:10.0pt;font-family:Tahoma"> Chuck Henderson
[mailto:<a href="mailto:rpt2@chuck.midlandsnetworking.com" target="_blank">rpt2@chuck.midlandsnetworking.com</a>] <br>
<b><span style="font-weight:bold">Sent:</span></b> Sunday, March 29, 2015 10:17
AM<br>
<b><span style="font-weight:bold">To:</span></b> kk6ecm<br>
<b><span style="font-weight:bold">Cc:</span></b> app_rpt mailing list<br>
<b><span style="font-weight:bold">Subject:</span></b> Re: [App_rpt-users] Use
of ntpd in ACID</span></font><u></u><u></u></p>
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<p class="MsoNormal"><font size="3" face="Times New Roman"><span style="font-size:12.0pt"><u></u> <u></u></span></font></p>
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<p class="MsoNormal"><font size="3" face="Times New Roman"><span style="font-size:12.0pt">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. <u></u><u></u></span></font></p>
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<p class="MsoNormal"><font size="3" face="Times New Roman"><span style="font-size:12.0pt"><u></u> <u></u></span></font></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><font size="3" face="Times New Roman"><span style="font-size:12.0pt">Turn ntpd off and just
use <b><span style="font-weight:bold">ntpdate</span></b> once per hour and the
strange audio sounds go away.<br>
<br>
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.<br>
But it is not present at all when using only RTCMs.<br>
Chuck WB9UUS<br>
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On Sun, Mar 29, 2015 at 11:54 AM, kk6ecm <<a href="mailto:kk6ecm@gmail.com" target="_blank">kk6ecm@gmail.com</a>>
wrote:<br>
><br>
> I'm interested in using ntpd to keep my ACID server sync'd with date and<br>
> time, and notice it is off, as configured from the CD. I set "chkconfig
ntpd<br>
> on, but wonder what servers I should use in ntp.conf. Also, has anyone
used<br>
> it and had any difficulties?<br>
><br>
> thanks,<br>
> Bob<br>
> kk6ecm<br>
><br>
><br>
><br>
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