Header header
float64 drone_time
uint16 tag
uint16 size
int16 mx
int16 my
int16 mz
vector31 magneto_raw
vector31 magneto_rectified
vector31 magneto_offset
float32 heading_unwrapped
float32 heading_gyro_unwrapped
float32 heading_fusion_unwrapped
uint8 magneto_calibration_ok
uint32 magneto_state
float32 magneto_radius
float32 error_mean
float32 error_var