[ntp:questions] Re: dcf77 receiver makes ntp unstable? (drift and offset get jumpy)

John Pettitt jpp at cloudview.com
Tue Feb 8 00:12:09 UTC 2005

Richard B. Gilbert wrote:

> Folkert van Heusden wrote:
>>>> When I switch on my DCF77 receiver, my ntp-server suddenly gets 
>>>> very unstable:
>>>> http://keetweej.vanheusden.com/ntp_graph.png
>>>> (the blue line indicates start of DCF77 receiver).
>>>> Running ntpq 4.2.0a at 1.1190-r on a P-III (1GHz) with Linux (2.6.9).
>>> I don't see any blue line on that graph.  Red and green but not blue.
>> Look closely, it is there! It actuall is half the graph.
>> http://keetweej.vanheusden.com/ntp_graph.png
> Netscape v7.2 does not display the blue line!  Internet Explorer does 
> display the blue line.  It also displays an initial spike to about 500 
> ms that Netscape does not.
> The same old Microsoft game; use our tools and force everyone to use 
> our browser!
Nope.  Photoshop displays the graph just fine, do does FireFox on 
windows.  I don't think you can pin this one on Microsoft - it's 
something on your machine.


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