[time-nuts] VLF time is not dead :-)

Poul-Henning Kamp phk at phk.freebsd.dk
Mon Oct 18 17:18:09 EDT 2004

In message <41743227.2030702 at usa.net>, Alberto di Bene writes:

>The fundamental clock is the sampling clock from the A/D card, which
>is from a free-running PRS10 Rb.
>A quadrature NCO is really easy to do in software, you figure out
>the angle for each sample interval:
>   Thanks for the explanations. I was sure you had used a high stability
>   reference, but was
>   unsure of which one.

My goal is to use the serial interface to the Rb to discipline it
to the received signals which hopefully would be a mix of VLF
and LORAN-C.

Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | 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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