[ntp:questions] Setting the COM port for the NMEA driver

newsreader01 at web.de newsreader01 at web.de
Fri Jun 5 11:58:36 UTC 2009


On 13 Mai, 04:58, Dave Hart <daveh... at gmail.com> wrote:
> On May 9, 3:24 pm, "David J Taylor" wrote:
>
> > Folks, I made some tests with various settings for the NMEA driver and the
> > results are here:
>
> >  http://www.satsignal.eu/ntp/NTP-on-Windows-serial-port.html#usb
>
> Congratulations on showing serial PPS refclock connected via a USB
> RS-232 adapter can do so well.  I did not expect you to match internet
> performance, and you substantially exceeded the performance you were
> getting with a refclock one LAN hop away.  I believe it is time to
> update the conventional wisdom on connecting a refclock via a USB
> RS-232 adapter.
>
> > Maarten's guess about how to specify the COM port was correct (thanks),
> > but setting a port above COM3 failed, so I have created bug report 1183


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