[ntp:questions] Do I have a lock to my NMEA GPS?
cswiger at mac.com
Fri Nov 9 17:45:45 UTC 2012
On Nov 9, 2012, at 8:57 AM, Ralph Aichinger wrote:
> Is this OK for a consumer NMEA GPS without PPS (eTrex) and on a
> jittery USB to serial converter at 4800 Baud?
> ntpq> peers
> remote refid st t when poll reach delay offset jitter
> *GPS_NMEA(0) .GPS. 0 l 10 64 377 0.000 -87.300 113.691
This looks OK for NMEA, yes.
It's providing time to roughly a tenth of a second level of accuracy.
> I don't want to keep time with this, just check if the hardware works.
> The asterisk in front says I am locked, and hardware is working, does it?
Yes, the timesource has been fully reachable and is being used as the preferred peer.
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