[ntp:questions] Re: Garmin GPS 18 firmware update -> 200ms offset
David Schwartz
davids at webmaster.com
Tue Nov 29 19:34:46 UTC 2005
"Patrick Klos" <pklos at osmium.mv.net> wrote in message
news:dmi2vh$pa3$1 at pyrite.mv.net...
> I'm sure you can't rely on the NMEA strings coming out with any specific
> relationship to the pulse. We've seen Garmin GPS's get very busy inside
> and skew the NMEA strings all over the place, including after the NEXT
> PPS.
Ack! I do not recommend using a GPS for a timing application unless the
relationship between the NMEA time strings and the actual UTC second
boundary is specified by the manufacturer.
DS
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