In message <>, "Bob Camp" writes:

>One assumption is that you will indeed be capturing / averaging for several
>days. I'd include some sort of model for sunrise / sunset shifts (might be
>just "ignore for the next hour"). 

Some of my best results had 8 buffers each used for 3 hours and
all timenuttery based on 24 hour differences from these buffers.

>Another assumption is that your local reference is close enough and stable
>enough to make a multi day average meaningful. 

Well, the above technique got me a new offset estimate every three hours
and that did a pretty good job on both OCXO and Rb disciplining.

Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.

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