Re: [gpsd-users] Will proprietary NMEA extensions be included in gpsd?

[Greg Troxel]

"Gary E. Miller" <address@hidden> writes:

> PORZD is an odd thing: "RMS error of plane coordinates.  
>
> Why not use the standard sentences for reporting errors?  GPGGA and
> GPGLL aklready provide the HDOP which is more useful than the RMS error
> of the PORZD.  GPDOP provides PDOP, HDOP and VDOP.

RMS error is quite different from HDOP.   It's perhaps HDOP * UERE or
something, so I can see your point that this is gratuitous.   Surely
it's computed, so arguably it isn't that useful if the other things are
reported.

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