[time-nuts] CentOS 7, Motorola GPS receiver and NTP

[Neil Schroeder]

 Check out the synergy m12 eval board. It's about $100 with the m12m on it
and a little less if you're going to install your own.

The most recent ftdi in-tree driver will automatically support the
adapter.  Previous versions you need to echo the VPI to the sys
tree  interface of the ftdi_sio driver - which is trivial to do in
rc.local.


On Wednesday, November 26, 2014, Paul <tic-toc at bodosom.net> wrote:

> On Wed, Nov 26, 2014 at 11:49 AM, xaos <xaos at darksmile.net <javascript:;>>
> wrote:
>
> > Question: How do I setup NTP with a 1 PPS from serial port
> > and the Motorola receiver hooked up?
> >
>
> You'll want to review the documents at ntp.org and the list <
> http://lists.ntp.org/listinfo/questions>.
> The folks there will be happy to assist you.
>
> There are two important points:
>
> 1) Until 4.2.8 is released you'll want to build a recent version of 4.2.7.
> Don't use 4.2.6
>
> 2) Review the many and varied posts on the subtleties of using PPS via ATOM
> or as part of a refclock like ONCORE <
> http://www.eecis.udel.edu/~mills/ntp/html/drivers/driver30.html>.  It can
> have surprising side-effects.
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