[ntp:questions] why do internet servers not poll at longerintervals

David J Taylor david-taylor at blueyonder.co.uk.invalid
Wed Feb 15 19:34:15 UTC 2012

On Wed, Feb 15, 2012 at 8:22 AM, David J Taylor
<david-taylor at blueyonder.co.uk> wrote:
>>> .. or, perhaps much less effort, get PPS working!
>> Yes,  GPS without PPS is mostly not better than Internet pool servers.
>> But still, the polling time depends on the stability of the PC's
>> internal clock.   That mostly depends on temperature swings.
>> Chris Albertson
>> Redondo Beach, California
> I can't get Ron to try serial PPS at the moment, but I'm sure he will 
> come
> round to it!
> I also found at one stage that the polling time wouldn't increase when 
> you
> had a ref-clock and internet servers on the same PC - something to do 
> with
> the loop time constant IIRC was Dave Mills explanation, and the only way
> which worked for me was minpoll 10 for the Internet servers.  For me, 
> they
> are only an emergency backup.
> BTW: did you mean to send your message to the group?

Yes.  Would you Send this replay to the group.   I keep forgetting to
do the "reply all"

Done with apologies for any messed up attributions!


Chris Albertson
Redondo Beach, California 

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