Yes, I noticed this as well and modified the refclock driver to filter
it as it does in the oncore refclock.
Scott
Hal Murray wrote:
> Is anybody running ntpd with their Z3801A?
>
> If so, please check your log files and tell me if you see a bogus leap second
> at the end of the past several months. I've seen them for Aug, Sep, and Oct.
> I think they are coming from my Z3801A, but it might be something else.
>
> The GPS satellites are now announcing a leap second that will happen at the
> end of the year. The refclock driver passes that to ntpd and ntpd passes it
> to the kernel and magic happens.
>
> I think the refclock-ntpd interface assumes the leap second will happen at
> the end of the current month. NIST only announces leap seconds a month ahead
> on WWVB and ACTS.
>
> The Oncore refclock driver has a filter to wait until the current month to
> pass the info to ntpd. I'm working on something similar for the HP driver.
>
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