[ntp:questions] fudge time1 for gps-18x-LVC?
"terje.mathisen at tmsw.no" at ntp.org
Sun Feb 7 20:37:41 UTC 2010
Dave Hart wrote:
> On Feb 7, 14:59 UTC, Terje Mathisen wrote:
>> David J Taylor wrote:
>>> Indeed, but I think we've talked about this before with David and
>>> "default" may mean "default for use with NTP". We'll see. Certainly the
>>> single sentence is the best - I happen to use: $GPRMC.
>> I'm trying to make $GPGGA the default, it is a much more informative
>> sentence (using 'mode 2' in the server statement specifies this):
>> It contains the current time (hms), position (ddmm.mmmm), nr of visible
>> sats, DOP etc, which makes it easy to write a little perl script to
>> process the clockstats file to gather all sorts of interesting statistics..
> Historically, the NMEA driver claimed to use any/all sentences in the
> default (mode 0) configuration, but it lied and in fact treated mode 0
> the same as mode 1, which is to say it ignored all but $GPRMC. This
> was fixed during the period 4.2.5 was ntp-dev, and with the current
> code, you really can use any/all of the supported sentences by
Nice! I get all the ntp hackers messages, but never noticed that fix.
- <Terje.Mathisen at tmsw.no>
"almost all programming can be viewed as an exercise in caching"
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