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Re: NTPsec reports excessive jitter from GPSD/KPPS SHM


From: Gary E. Miller
Subject: Re: NTPsec reports excessive jitter from GPSD/KPPS SHM
Date: Sat, 7 Mar 2020 17:01:30 -0800

Yo Nick!

On Sun, 08 Mar 2020 00:10:08 +0000
"Nick Burkitt" <address@hidden> wrote:

> Here's a thought. My environment is an embedded Linux device. The GPS 
> receiver is connected via USB, and the PPS is connected via a
> hardware interrupt line.

I have a few similar.

> Can gpsd make sense of this configuration? Or does the fact that the
> GPS and PPS are not explicitly related cause problems?
> Thanks,

I do it this way:  gpsd -nG /dev/ttyACM0 /dev/pps0

RGDS
GARY
---------------------------------------------------------------------------
Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
        address@hidden  Tel:+1 541 382 8588

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    "If you can't measure it, you can't improve it." - Lord Kelvin

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