[time-nuts] My Garmin 18x, Ver 3.50, currently 1 second slow to UTC

bg at lysator.liu.se bg at lysator.liu.se
Wed Dec 29 15:11:03 EST 2010


Hi Geoff,

Did you and I run into the same issue with NMEA from old Jupiter
receivers? (many years ago at the now dead forum at gpskit.nl)

--

   Björn

>> To me it's unacceptable that the NMEA output is delayed into the next
>> PPS
>> signal, making the unit much less useful.  I measure the NMEA output and
>> it's not even a consistent distance delayed from the PPS, varying quite
>> a
>> bit.
>
> Yes, that is why it got tricky for me David, because sometimes the GPS
> gave the correct UTC time, and sometimes the UTC time was one second
> slow - depending on how much the NMEA sentences were delayed from the
> PPS.
>
> Regards, Kiwi Geoff (NZ).
>
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