Paul <tik-...@bodosom.net> wrote:
> On Sun, Dec 14, 2014 at 4:56 AM, Rob <nom...@example.com> wrote:
>> gpsd can use pps without any kernel support and without any additional
>> files.
>
> I didn't think we were talking about user-space solutions although
> user-space PPS should be better than typical (bad) NMEA.

In practice there is almost no difference on a lightly loaded system.
gpsd with user-mode PPS can keep the system within 15us or so.

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