[time-nuts] ``direct'' RS-232 vs. RS-232 via USB vs. PPS decoding cards

Christopher Hoover ch at murgatroid.com
Thu Feb 16 18:42:55 UTC 2017


Ntp has support to pick up hardware packet timestamps from the Linux
kernel.   I wrote the patch; it was merged years ago.

-ch
73 de AI6KG


On Thu, Feb 16, 2017 at 9:59 AM, Denny Page <denny at cococafe.com> wrote:

> If your Ethernet chipset (mac or phy) has timestamping capabilities, you
> can use Chrony which has hardware timestamp support. This greatly improves
> accuracy, and generally eliminates the CPU loading issue.
>
> Denny
>
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