[ntp:questions] nmea and initial large offset

Richard B. Gilbert rgilbert88 at comcast.net
Sun May 9 16:19:14 UTC 2010


unruh wrote:
> On 2010-05-09, Richard B. Gilbert <rgilbert88 at comcast.net> wrote:
>>>> If Dave Mills says "It can't work!" I think the burden of proof that it 
>>>> can and does work is on you.
> 
> His method has had a lot of both theoretical and experimental work. That
> is great. 
>>> That is the problem.  He keeps referring back to his books and the
>>> facts he has collected 20 years ago, and a changing environment is not
>>> part of his world.
>> Dave's math is beyond me but I'm willing to take it on faith.  It works!
> 
> I am a theoretical physicist. I understand David's math. It is not
> difficult. 
>> I suspect that faster convergence would carry a price such as large 
>> amplitude oscillation!
> 
> No it does not.  Experimental fact from running chrony. 
> 
> 
>> If you can't stand it, roll your own!  You may find that it's far more 
>> difficult than you think!
> 
> Or use something that others have rolled for you-- eg chrony. Jut as
> easy as using ntpd.
> 

Since I installed NTPD years ago, using it is no effort at all.  If my 
contract with Comcast did not forbid me to operate a "server", I'd be 
offering a stratum 1 NTP server.




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