EstimatorBias3d (UORB message)

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uint64 timestamp                # time since system start (microseconds)
uint64 timestamp_sample         # the timestamp of the raw data (microseconds)

uint32 device_id                # unique device ID for the sensor that does not change between power cycles

float32[3] bias                 # estimated barometric altitude bias (m)
float32[3] bias_var             # estimated barometric altitude bias variance (m^2)

float32[3] innov                # innovation of the last measurement fusion (m)
float32[3] innov_var            # innovation variance of the last measurement fusion (m^2)
float32[3] innov_test_ratio     # normalized innovation squared test ratio

# TOPICS estimator_bias3d
# TOPICS estimator_ev_pos_bias