# Wind (UORB message) [source file](https://github.com/PX4/PX4-Autopilot/blob/main/msg/Wind.msg) ```c uint64 timestamp # time since system start (microseconds) uint64 timestamp_sample # the timestamp of the raw data (microseconds) float32 windspeed_north # Wind component in north / X direction (m/sec) float32 windspeed_east # Wind component in east / Y direction (m/sec) float32 variance_north # Wind estimate error variance in north / X direction (m/sec)**2 - set to zero (no uncertainty) if not estimated float32 variance_east # Wind estimate error variance in east / Y direction (m/sec)**2 - set to zero (no uncertainty) if not estimated float32 tas_innov # True airspeed innovation float32 tas_innov_var # True airspeed innovation variance float32 beta_innov # Sideslip measurement innovation float32 beta_innov_var # Sideslip measurement innovation variance # TOPICS wind estimator_wind ```