[ntp:questions] Strange jumps in PPM
agcarver+ntp at acarver.net
Thu Aug 22 00:52:31 UTC 2013
On 8/21/2013 17:07, E-Mail Sent to this address will be added to the
> Harlan Stenn wrote:
>> I'd love to see NTP be able to query and use this sort of information.
> Several of the NMEA sentences have fix quality,
> for binary Refclock drivers if the feature exists,
> there is sure to be packets that include the fix quality.
> I guess we'd have to look at the driver source to see if
> if make use of any of the fix quality fields.
> Of the messages it appears the NMEA driver supports,
> GPRMC, GPGGA, GPGLL, GPZDG, PGRMF
> Have some variety of detail of Fix Quality
> GPZDA Does NOT have fix quality
> So the advantage of using _only_ ZDA's compact / short sentence
> to get date & time, is slightly devalued by not getting any
> quality indications?
Unfortunately this doesn't help the ATOM driver. In my case I have to
feed PPS in separately via ATOM. So going back to the original
suggestion by Mike, having a way to feed information about nominal
system behavior directly to the driver would be great.
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