[ntp:questions] Help with NMEA driver

Mischanko, Edward T Edward.Mischanko at arcelormittal.com
Fri May 27 10:14:23 UTC 2011


I'm not in front of my machine as it's at home and I am at work so I could be running "p172", I just can't remember.

Ed

-----Original Message-----
From: questions-bounces+edward.mischanko=arcelormittal.com at lists.ntp.org [mailto:questions-bounces+edward.mischanko=arcelormittal.com at lists.ntp.org] On Behalf Of Mischanko, Edward T
Sent: Friday, May 27, 2011 5:08 AM
To: davehart at gmail.com
Cc: questions at lists.ntp.org
Subject: Re: [ntp:questions] Help with NMEA driver

Dave

Several sentences are being sent and I currently have no way of disabling the unused ones.  I am trying to use $GPGGA because on this GPS it is supposed to be closest to the PPS pulse.  I am using ntp-dev-4.2.7p171
 
Thanks,
Ed

-----Original Message-----
From: Dave Hart [mailto:davehart at gmail.com] 
Sent: Friday, May 27, 2011 4:58 AM
To: Mischanko, Edward T
Cc: questions at lists.ntp.org
Subject: Re: [ntp:questions] Help with NMEA driver

On Fri, May 27, 2011 at 05:10 UTC, Mischanko, Edward T
<Edward.Mischanko at arcelormittal.com> wrote:
> I tried this:
>
> server 127.127.20.1 mode 18 minpoll 4 prefer
>
> Mode 18 didn't want to work, but mode 16 does work.  What am I doing
> wrong?  I verified that the GPS is sending $GPGGA sentences at 9600
> baud.  Should I try mode 2 at 4800 baud?  I am using a Sure GPS on a
> Windows XP machine, but that shouldn't be a factor?

What version of ntpd are you using?

Is your GPS sending only $GPGGA, or are there several sentences being
sent each second?

Cheers,
Dave Hart
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