airspeed_validated (UORB message)

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uint64 timestamp                # time since system start (microseconds)

float32 indicated_airspeed_m_s          # indicated airspeed in m/s (IAS), set to NAN if invalid
float32 calibrated_airspeed_m_s             # calibrated airspeed in m/s (CAS, accounts for instrumentation errors), set to NAN if invalid
float32 true_airspeed_m_s           # true filtered airspeed in m/s (TAS), set to NAN if invalid

float32 calibrated_ground_minus_wind_m_s    # CAS calculated from groundspeed - windspeed, where windspeed is estimated based on a zero-sideslip assumption, set to NAN if invalid
float32 true_ground_minus_wind_m_s      # TAS calculated from groundspeed - windspeed, where windspeed is estimated based on a zero-sideslip assumption, set to NAN if invalid

bool airspeed_sensor_measurement_valid      # True if data from at least one airspeed sensor is declared valid.

int8 selected_airspeed_index            # 1-3: airspeed sensor index, 0: groundspeed-windspeed, -1: airspeed invalid