[ntp:questions] garmin 18x and linux
ntp-5620 at cbane.org
Fri Sep 2 03:14:33 UTC 2011
On Fri, Sep 02, 2011 at 02:24:44AM +0000, Greg Hennessy wrote:
> Given that ntp in debug mode shows gpsread showing NTP at least sees
> the GPRMC messages, can anyone sugguest why NTP never syncs? Is there
> additional debug flags that would be useful?
NTP isn't syncing because the GPS is reporting that it doesn't have a
The "V" in the second data field means that the fix is invalid (it will
be "A" if it's valid). See the documentation for the NMEA driver for
details on just what each of the fields mean.
As an example of what you should see when the GPS is working properly,
here's a recent NMEA sentence from my Garmin 18-LVC (with the location
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