[ntp:questions] fudge time1 for gps-18x-LVC?

Dave Hart davehart at gmail.com
Sun Feb 7 17:48:32 UTC 2010

On Feb 7, 17:21 UTC, "David J Taylor" wrote:
> OK, Dave, understood, I think.  It is a requirement of using the
> serialpps.sys (for its kernel-mode timestamps) that that you also use the
> ATOM driver if you want the kernel-mode timestamps to be used.  Right?

Not quite.  The kernel-mode timestamps are available only via PPSAPI,
but you can opt to use PPSAPI without ATOM (such as with NMEA fudge
flag1 1).

> However, my PPS line is the first in the billboard, and not the second.
> Does that matter?  Or is it just because in my ntp.conf I have:
>   server  minpoll 4         # PPS - serialpps.sys
>   server  minpoll 4  prefer    # NMEA serial port


> Would it make any difference if they were in the reverse order - I'm
> guessing that it would not.

No difference.

Dave Hart

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