printf("head %d ring %d ground_distance %d height %d\n", gps_head, ring, ground_distance, height);
if (ground_distance > ao_config.tracker_motion ||
height > (ao_config.tracker_motion << 1))
printf("head %d ring %d ground_distance %d height %d\n", gps_head, ring, ground_distance, height);
if (ground_distance > ao_config.tracker_motion ||
height > (ao_config.tracker_motion << 1))