# This is similar to the mavlink message ATTITUDE_QUATERNION, but for onboard use uint64 timestamp # time since system start (microseconds) uint64 timestamp_sample # the timestamp of the raw data (microseconds) float32[4] q # Quaternion rotation from XYZ body frame to NED earth frame. float32[4] delta_q_reset # Amount by which quaternion has changed during last reset uint8 quat_reset_counter # Quaternion reset counter # TOPICS vehicle_attitude vehicle_attitude_groundtruth vehicle_vision_attitude