[ntp:questions] NTP, GPSD & PPS
unruh at invalid.ca
Tue Dec 9 17:48:26 UTC 2014
On 2014-12-09, David Taylor <david-taylor at blueyonder.co.uk.invalid> wrote:
> On 09/12/2014 16:49, Paul wrote:
>> Unless someone needs to share position and velocity data
>> I don't understand why gpsd is used to proxy NMEA data. The NMEA (or ATOM)
>> driver is sufficient.
> Paul, does the NMEA (or ATOM) driver solve the problem of having perhaps
> a couple of hundred milliseconds peak-to-peak jitter in the GPS serial
> data, thereby preventing NTP using the PPS source?
??? It does use the pps source. nmea data will always have huge (on ntp
scale) jitter. And what evidence is there of preventing using the PPS
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