[ntp:questions] Do I have a lock to my NMEA GPS?

David Woolley david at ex.djwhome.demon.invalid
Fri Nov 9 17:50:10 UTC 2012

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
> 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? 

You have at least a partial lock.  Only time will tell if it is going to 
stay locked.  Your frequency quality wil not be good and your time 
quality will be worse!

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