[ntp:questions] help with setting up NTP on windows with a USB GPS

jack j.jack.wang at gmail.com
Thu Nov 26 21:38:31 UTC 2009


Here is the entries in the log:
11/26/2009    16:26:34    NTP    None        3    n/a    DUALCORE
Using user-mode PPS timestamp for GPS_NMEA(1)
11/26/2009    16:26:32    NTP    None        3    n/a    DUALCORE
GPS_NMEA(1) serial /dev/gps1 open at 4800 bps
11/26/2009    16:26:32    NTP    None        3    n/a    DUALCORE
Listen normally on 2 IPv4 2 192.168.1.105 UDP 123
11/26/2009    16:26:32    NTP    None        3    n/a    DUALCORE
Listen normally on 1 v4loop 1 127.0.0.1 UDP 123
11/26/2009    16:26:32    NTP    None        3    n/a    DUALCORE
Listen and drop on 0 v4wildcard 0.0.0.0 UDP 123
11/26/2009    16:26:32    NTP    None        3    n/a    DUALCORE
proto: precision = 0.400 usec
11/26/2009    16:26:30    NTP    None        3    n/a    DUALCORE
HZ 64.000 using 43 msec timer 23.256 Hz 64 deep
11/26/2009    16:26:30    NTP    None        3    n/a    DUALCORE
Windows clock precision 15.625 msec, min. slew 6.400 ppm/s
11/26/2009    16:26:30    NTP    None        3    n/a    DUALCORE
Clock interrupt period 15.625 msec
11/26/2009    16:26:30    NTP    None        3    n/a    DUALCORE
Performance counter frequency 2999.700 MHz
11/26/2009    16:26:30    NTP    None        3    n/a    DUALCORE
MM timer resolution: 1..1000000 msec, set to 1 msec
11/26/2009    16:26:30    NTP    None        3    n/a    DUALCORE
Raised to realtime priority class
11/26/2009    16:26:30    NTP    None        3    n/a    DUALCORE
ntpd 4.2.5p246-RC-o Nov 17 16:02:21.54 (UTC-00:00) 2009
(1)

Meinberg Monitor was stuck at "Please wait".

jack

On Nov 26, 4:30 pm, jack <j.jack.w... at gmail.com> wrote:
> David,
>
> I only have the following in the configure file:
>
> server 127.127.20.1 minpoll 4 prefer
>
> I found the following entry in the log file:
>
> Using user-mode PPS timestamp
>
> Does it mean NTP reads the GPS strings and sees the 1PPS signal?
>
> All the values are still 0 including reach. At one point for about 10
> minutes, I saw some values after rebooting the machine but they
> disappeared quickly.
>
> Thanks.
>
> jack
>
> ps: I am using the latest NTP from Dave Hart's website. I also
> installed serialpps.sys.
>
> On Nov 26, 2:52 pm, "David J Taylor" <david-tay... at blueyonder.not-this-
>
>
>
> bit.nor-this-part.co.uk.invalid> wrote:
> > "jack" <> wrote in message
>
> >news:7a8980f8-5cbc-4100-9d84-2d5e2a93c2de at e27g2000yqd.googlegroups.com..


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