px4-firmware/msg/follow_target.msg

float64 lat			# target position (deg * 1e7)
float64 lon			# target position (deg * 1e7) 
float32 alt			# target position
float32 vy			# target vel in y
float32 vx			# target vel in x
float32 vz			# target vel in z 
uint8 est_cap # target reporting capabilities
follow target mode working 2016-02-20 15:54:11 -04:00			`float64 lat # target position (deg * 1e7)`
			`float64 lon # target position (deg * 1e7)`
adding lpf based on confidence of linear movement 2016-05-09 11:11:38 -03:00			`float32 alt # target position`
			`float32 vy # target vel in y`
			`float32 vx # target vel in x`
			`float32 vz # target vel in z`
			`uint8 est_cap # target reporting capabilities`