[ gpsdrive ] Miles per hour

[Guenther Meyer]

Am Mittwoch 14 Januar 2009 schrieb Hamish:
> for historical perspective just to note that (like it or not) knots is
> the native units of NMEA velocity data and traditional navigation.
>
> whereas the "N" of NMEA stands for National (ie USA; owner of the sats)
> whereas the "M" of NMEA stands for Marine (where knots is still king
>   worldwide)
>
> now we aren't parsing NMEA anymore, so we are not as tied to knots.
>
right.
libgps gives us meters per second, which also is the basic SI unit.
so we should stick to this internally.
we support output in knots anyway, so everything should be fine.



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