One of our most common client questions is “ Why do you need a surveyor to measure ground control? So and so said they don’t need it for my project” The short answer is “To give you the best results”. Really, it is a little more complicated than that. Without taking a deep dive into the details there are a few reasons we need ground control. First, it orients our flight data with the survey control system used on your project. Basically, it allows us to match the survey