try similar commands :
hciconfig up hci0
hcitool dev
hcitool scan
hcitool cc xx:xx:xx:xx:xx:xx &
hcitool con
rfcomm connect /dev/rfcomm0 xx:xx:xx:xx:xx:xx &
gpsd
gpsd -p /dev/rfcomm0
cat /dev/rfcomm0
To plot the maps read both about kismet and gpsdrive
if kismet loses signal find the post about replacing gpsd


