[ntp:questions] $GPGGA fix indicator 6 estimated/dead reckoning

Hal Murray hal-usenet at ip-64-139-1-69.sjc.megapath.net
Wed Feb 4 16:53:55 UTC 2009


>If ntpd knows where you are a single satellite is all that's needed.

No, you also need the appropriate software in the GPS receiver.
That's what makes "timing" boxes rather than the typical inexpensive
navigation units.

Does anybody know of any timing units that speak NMEA?

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