[time-nuts] Making the most of SRS Rb source

Poul-Henning Kamp phk at phk.freebsd.dk
Thu Jan 19 01:33:10 EST 2006

In message <43CEC29B.9080907 at pacific.net>, Brooke Clarke writes:
>HI Poul:
>That's very interesting.  How about using the PRS10 in time stamping 
>mode where you feed it the 1 PPS from the GPS and use a uC to read back 
>the time stamp and the GPS saw tooth to get the actual delta time?  It 
>would be easy to record these every hour and after a day or so make a 
>tweak to the PRS10 frequency.  This way the only additional equipment 
>would the the uC connecting to the PRS10 serial port.

That's more or less what I did, except I used a box from www.soekris.com
instead of a uC to do the job.

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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