[time-nuts] WWVB PM Time Questions

Poul-Henning Kamp phk at phk.freebsd.dk
Fri Jul 31 21:00:13 UTC 2020


--------
Bob kb8tq writes:

>The WWVB modulation is *very* predictable. Once you have lock, 
>you can guess just about every phase reversal you will see.
>[...]
>The point of this being that you *could* pre-flip the data before it
>went into a buffer. That way the buffer integration time constant 
>could be quite long. 

I would just use two buffers and decide which one based on the
prediction, that way DC-offsets will not cause trouble.

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




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