Extended EKF state estimates for ASLUAVs

                timestamp                 : Time since system start [us] (uint64_t)
                Windspeed                 : Magnitude of wind velocity (in lateral inertial plane) [m/s] (float)
                WindDir                   : Wind heading angle from North [rad] (float)
                WindZ                     : Z (Down) component of inertial wind velocity [m/s] (float)
                Airspeed                  : Magnitude of air velocity [m/s] (float)
                beta                      : Sideslip angle [rad] (float)
                alpha                     : Angle of attack [rad] (float)

def ekf_ext_send(self, timestamp, Windspeed, WindDir, WindZ, Airspeed, beta, alpha, force_mavlink1=False):
                '''
                Extended EKF state estimates for ASLUAVs

                timestamp                 : Time since system start [us] (uint64_t)
                Windspeed                 : Magnitude of wind velocity (in lateral inertial plane) [m/s] (float)
                WindDir                   : Wind heading angle from North [rad] (float)
                WindZ                     : Z (Down) component of inertial wind velocity [m/s] (float)
                Airspeed                  : Magnitude of air velocity [m/s] (float)
                beta                      : Sideslip angle [rad] (float)
                alpha                     : Angle of attack [rad] (float)

                '''
                return self.send(self.ekf_ext_encode(timestamp, Windspeed, WindDir, WindZ, Airspeed, beta, alpha), force_mavlink1=force_mavlink1)