[FOSS-GPS] Re: RTK-GPS with freerunner: decimeter-level accuracy
with Free Software
Timo Juhani Lindfors
timo.lindfors at iki.fi
Thu Jan 20 05:08:51 EST 2011
RANJAN <infibit at gmail.com> writes:
> I wonder how could one achieve real time RTK position fix when the gps data
> from the base and rover is streamed continuously. The calculations in rtklib
> are offline.
rtklib-rnx2rtkp is offline but rtklib-rtkrcv is realtime.
> And what values does the algo use specifically from base.ubx to generate the
> RTK fix (I guess the carrier phase data..).
In single mode it probably only uses pseudorange information from
RXM-RAW and ephemeris/almanac from RXM-SFRB.
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