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