try:
    gpsd = gps.gps(mode=gps.WATCH_ENABLE)

    while True:
        # Read the GPS state from the laptop
        gpsd.next()

        if (gpsd.valid & gps.LATLON_SET) != 0:
            print "Latitude: %s" % gpsd.fix.latitude
            print "Longitude: %s" % gpsd.fix.longitude

            time.sleep(2)