"Thanks Mike and Chris for your responses. Chris, that Bushnell altimeter setup (and Bosch) would be useful although I'm not sure I'll be able to extract a sea-level elevation from that when I compute the actual terrain elevation to produce a map.…"
I am still in the early phases of research for this project (LIDAR mapping), but are there any applications that can take data retrieved from a laser range finder and cross check it with a separate altimeter/IMU/GPS (Maybe barometric?) to determine…