[time-nuts] Effect of medium term loss of GPS or power
phk at phk.freebsd.dk
Sun Jun 5 05:14:51 EDT 2005
In message <42A2904E.4070800 at onetel.net>, David Kirkby writes:
>What is the effect of a medium term loss of
>a) GPS signal on a GPS locked source?
The it should continue to coast on the last frequency it was steered
to. If you do a 3rd order PLL it would continue to correct for drift.
>b) Power loss to a GPS locked source?
You will loose anything of interest because of the "power-cycle retrace"
being anything but perfect.
Find two small 12V lead acid battries and use that to keep the PRS10
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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