01-25-2011 12:37 PM
I have a W510 with a Qualcomm Gobi 2000 card. It seems to work ok with the software that comes with it.
But I want to increase the GPS position update rate from each 3 seconds to maybe twice each second. Is there a NMEA configuration statement to do this?
I also want to programatically with an API turn the GPS on/off. Currently this must be done with a button press in the ThinkAdvantage GPS Enabler tool.
Third, I am looking for documentation of the particular dialect of NMEA sentences used. There is a proprietory sentence $PQXFI that may contain interesting accuracy information. Example: $PQXFI,192908.9,5955.424660,N,01055.895431,E,224.5,45.93,21.33,3.84*66
Finally some NMEA sentences appears to have ilegal information in them. Is really nan allowed in the NMEA standard? Example: $GPVTG,nan,T,nan,M,0.0,N,0.0,K,A*23