This can be vastly a lot better than low-cost GPS units such as cell phones, which can be off by tens of meters. Unfortunately, great GPS INS methods are incredibly pricey. They usually Charge tens of Many pounds! Aerial LiDAR Survey in Bangladesh is One of the more efficient methods https://catchymelodies87776.bloggazzo.com/30964816/not-known-facts-about-lidar-mapping-bangladesh