Try using python threading;
http://www.danmandle.com/blog/getting-gpsd-to-work-with-python/
Here is how you can disable some of the sentences
GSA
echo -e -n "\$PUBX,40,GSA,0,0,0,0*4E\r\n" > /dev/serial0
RMC
echo -e -n "\$PUBX,40,RMC,0,0,0,0*47\r\n" > /dev/serial0
GLL
echo -e -n "\$PUBX,40,GLL,0,0,0,0*5c\r\n" > /dev/serial0
ZDA
echo -e -n "\$PUBX,40,ZDA,0,0,0,0*44\r\n" > /dev/serial0
GGA
echo -e -n "\$PUBX,40,GGA,0,0,0,0*5A\r\n" > /dev/serial0
GSV
echo -e -n "\$PUBX,40,GSV,0,0,0,0*59\r\n" > /dev/serial0
VTG
echo -e -n "\$PUBX,40,VTG,0,0,0,0*5E\r\n" > /dev/serial0
Peter --OzzMaker.com --
