On 2009-08-14, Unruh <unruh-s...@physics.ubc.ca> wrote:

> "Richard B. Gilbert" <rgilber...@comcast.net> writes:
>
>>If you find that chrony gives you better results, please feel free to
>>use it.
>
> I had thought that this discussion group was a group to discuss time
> on computers using the ntp protocol,

'find . | xargs grep 500 | grep -i define' in an NTP source tree shows a
number of places where 500 is used in a variable definition. Of
particular interest are:

./config.h:#define PRESET_TICKADJ 500/hz
./include/ntp_proto.h:#define NTP_MAXFREQ     500e-6
./include/ntpsim.h:#define      SLEW    500e-6  /* correction rate (PPM) */

Now you know where the 500 PPM limit is set and you can recompile your
own copy of NTP with as large a limit as you like so that you can
observe its behavior.

-- 
Steve Kostecke <koste...@ntp.org>
NTP Public Services Project - http://support.ntp.org/

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