WPNAV_LOIT_SPEED: original 500, changed to 900
WPNAV_RADIUS: original 200, changed to 100
WPNAV_SPEED: original 500, changed to 900
WPNAV_SPEED_DN:
WPNAV_SPEED_UP: original 250, changed to 350
PILOT_VELZ_MAX: original 300, changed to 350
ANGLE_MAX : original 4500, changed to 5000
